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 "backlight.h"
  34 #include "menu.h"
  35 #include "button.h"
  36 #include "kernel.h"
  37 #include "debug.h"
  38 #include "usb.h"
  39 #include "panic.h"
  40 #include "settings.h"
  41 #include "settings_list.h"
  42 #include "option_select.h"
  43 #include "screens.h"
  44 #include "talk.h"
  45 #include "lang.h"
  46 #include "misc.h"
  47 #include "action.h"
  48 #include "menus/exported_menus.h"
  49 #include "string.h"
  50 #include "root_menu.h"
  51 #include "bookmark.h"
  52 #include "gwps-common.h" /* for fade() */
  53 #include "audio.h"
  54 #include "viewport.h"
  55 #include "quickscreen.h"
  56
  57 #ifdef HAVE_LCD_BITMAP
  58 #include "icons.h"
  59 #endif
  60
  61 /* gui api */
  62 #include "list.h"
  63 #include "statusbar.h"
  64 #include "buttonbar.h"
  65
  66 #define MAX_MENUS 8
  67 /* used to allow for dynamic menus */
  68 #define MAX_MENU_SUBITEMS 64
  69 static struct menu_item_ex *current_submenus_menu;
  70 static int current_subitems[MAX_MENU_SUBITEMS];
  71 static int current_subitems_count = 0;
  72 static int talk_menu_item(int selected_item, void *data);
  73
  74 static void get_menu_callback(const struct menu_item_ex *m,
  75                         menu_callback_type *menu_callback)
  76 {
  77     if (m->flags&(MENU_HAS_DESC|MENU_DYNAMIC_DESC))
  78         *menu_callback= m->callback_and_desc->menu_callback;
  79     else
  80         *menu_callback = m->menu_callback;
  81 }
  82
  83 static int get_menu_selection(int selected_item, const struct menu_item_ex *menu)
  84 {
  85     int type = (menu->flags&MENU_TYPE_MASK);
  86     if (type == MT_MENU && (selected_item<current_subitems_count))
  87         return current_subitems[selected_item];
  88     return selected_item;
  89 }
  90 static int find_menu_selection(int selected)
  91 {
  92     int i;
  93     for (i=0; i< current_subitems_count; i++)
  94         if (current_subitems[i] == selected)
  95             return i;
  96     return 0;
  97 }
  98 static char * get_menu_item_name(int selected_item,
  99                                  void * data,
 100                                  char *buffer,
 101                                  size_t buffer_len)
 102 {
 103     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 104     int type = (menu->flags&MENU_TYPE_MASK);
 105     selected_item = get_menu_selection(selected_item, menu);
 106
 107     (void)buffer_len;
 108     /* only MT_MENU or MT_RETURN_ID is allowed in here */
 109     if (type == MT_RETURN_ID)
 110     {
 111         if (menu->flags&MENU_DYNAMIC_DESC)
 112             return menu->menu_get_name_and_icon->list_get_name(selected_item,
 113                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 114         return (char*)menu->strings[selected_item];
 115     }
 116
 117     menu = menu->submenus[selected_item];
 118
 119     if ((menu->flags&MENU_DYNAMIC_DESC) && (type != MT_SETTING_W_TEXT))
 120         return menu->menu_get_name_and_icon->list_get_name(selected_item,
 121                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 122
 123     type = (menu->flags&MENU_TYPE_MASK);
 124     if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 125     {
 126         const struct settings_list *v
 127                 = find_setting(menu->variable, NULL);
 128         if (v)
 129             return str(v->lang_id);
 130         else return "Not Done yet!";
 131     }
 132     return P2STR(menu->callback_and_desc->desc);
 133 }
 134 #ifdef HAVE_LCD_BITMAP
 135 static int menu_get_icon(int selected_item, void * data)
 136 {
 137     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 138     int menu_icon = Icon_NOICON;
 139     selected_item = get_menu_selection(selected_item, menu);
 140
 141     if ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID)
 142     {
 143         return Icon_Menu_functioncall;
 144     }
 145     menu = menu->submenus[selected_item];
 146     if (menu->flags&MENU_HAS_DESC)
 147         menu_icon = menu->callback_and_desc->icon_id;
 148     else if (menu->flags&MENU_DYNAMIC_DESC)
 149         menu_icon = menu->menu_get_name_and_icon->icon_id;
 150
 151     if (menu_icon == Icon_NOICON)
 152     {
 153         switch (menu->flags&MENU_TYPE_MASK)
 154         {
 155             case MT_SETTING:
 156             case MT_SETTING_W_TEXT:
 157                 menu_icon = Icon_Menu_setting;
 158                 break;
 159             case MT_MENU:
 160                     menu_icon = Icon_Submenu;
 161                 break;
 162             case MT_FUNCTION_CALL:
 163             case MT_RETURN_VALUE:
 164                 menu_icon = Icon_Menu_functioncall;
 165                 break;
 166         }
 167     }
 168     return menu_icon;
 169 }
 170 #endif
 171
 172 static void init_menu_lists(const struct menu_item_ex *menu,
 173                      struct gui_synclist *lists, int selected, bool callback,
 174                      struct viewport parent[NB_SCREENS])
 175 {
 176     int i, count = MENU_GET_COUNT(menu->flags);
 177     int type = (menu->flags&MENU_TYPE_MASK);
 178     menu_callback_type menu_callback = NULL;
 179     int icon;
 180     current_subitems_count = 0;
 181
 182     if (type == MT_RETURN_ID)
 183         get_menu_callback(menu, &menu_callback);
 184
 185     for (i=0; i<count; i++)
 186     {
 187         if (type != MT_RETURN_ID)
 188             get_menu_callback(menu->submenus[i],&menu_callback);
 189         if (menu_callback)
 190         {
 191             if (menu_callback(ACTION_REQUEST_MENUITEM,
 192                     type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i])
 193                     != ACTION_EXIT_MENUITEM)
 194             {
 195                 current_subitems[current_subitems_count] = i;
 196                 current_subitems_count++;
 197             }
 198         }
 199         else
 200         {
 201             current_subitems[current_subitems_count] = i;
 202             current_subitems_count++;
 203         }
 204     }
 205     current_submenus_menu = (struct menu_item_ex *)menu;
 206
 207     gui_synclist_init(lists,get_menu_item_name,(void*)menu,false,1, parent);
 208 #ifdef HAVE_LCD_BITMAP
 209     if (menu->callback_and_desc->icon_id == Icon_NOICON)
 210         icon = Icon_Submenu_Entered;
 211     else
 212         icon = menu->callback_and_desc->icon_id;
 213     gui_synclist_set_title(lists, P2STR(menu->callback_and_desc->desc), icon);
 214     gui_synclist_set_icon_callback(lists, menu_get_icon);
 215 #else
 216     (void)icon;
 217     gui_synclist_set_icon_callback(lists, NULL);
 218 #endif
 219     if(global_settings.talk_menu)
 220         gui_synclist_set_voice_callback(lists, talk_menu_item);
 221     gui_synclist_set_nb_items(lists,current_subitems_count);
 222     gui_synclist_limit_scroll(lists,true);
 223     gui_synclist_select_item(lists, find_menu_selection(selected));
 224
 225     get_menu_callback(menu,&menu_callback);
 226     if (callback && menu_callback)
 227         menu_callback(ACTION_ENTER_MENUITEM,menu);
 228     gui_synclist_draw(lists);
 229     gui_synclist_speak_item(lists);
 230 }
 231
 232 static int talk_menu_item(int selected_item, void *data)
 233 {
 234     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 235     int id = -1;
 236     int type;
 237     unsigned char *str;
 238     int sel = get_menu_selection(selected_item, menu);
 239
 240         if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 241         {
 242             type = menu->submenus[sel]->flags&MENU_TYPE_MASK;
 243             if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 244                 talk_setting(menu->submenus[sel]->variable);
 245             else
 246             {
 247                 if (menu->submenus[sel]->flags&(MENU_DYNAMIC_DESC))
 248                 {
 249                     int (*list_speak_item)(int selected_item, void * data)
 250                         = menu->submenus[sel]->menu_get_name_and_icon->
 251                         list_speak_item;
 252                     if(list_speak_item)
 253                         list_speak_item(sel, menu->submenus[sel]->
 254                                         menu_get_name_and_icon->
 255                                         list_get_name_data);
 256                     else
 257                     {
 258                         char buffer[80];
 259                         str = menu->submenus[sel]->menu_get_name_and_icon->
 260                             list_get_name(sel, menu->submenus[sel]->
 261                                           menu_get_name_and_icon->
 262                                           list_get_name_data, buffer);
 263                         id = P2ID(str);
 264                     }
 265                 }
 266                 else
 267                     id = P2ID(menu->submenus[sel]->callback_and_desc->desc);
 268                 if (id != -1)
 269                    talk_id(id,false);
 270             }
 271         }
 272         else if(((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID))
 273         {
 274             if ((menu->flags&MENU_DYNAMIC_DESC) == 0)
 275             {
 276                 unsigned char *s = (unsigned char *)menu->strings[sel];
 277                 /* string list, try to talk it if ID2P was used */
 278                 id = P2ID(s);
 279                 if (id != -1)
 280                     talk_id(id,false);
 281             }
 282         }
 283         return 0;
 284 }
 285
 286 void do_setting_from_menu(const struct menu_item_ex *temp,
 287                           struct viewport parent[NB_SCREENS])
 288 {
 289     int setting_id, oldval;
 290     const struct settings_list *setting = find_setting(
 291                                                temp->variable,
 292                                                &setting_id);
 293     char *title;
 294     char padded_title[MAX_PATH];
 295     int var_type = setting->flags&F_T_MASK;
 296     if (var_type == F_T_INT || var_type == F_T_UINT)
 297     {
 298         oldval = *(int*)setting->setting;
 299     }
 300     else if (var_type == F_T_BOOL)
 301     {
 302         oldval = *(bool*)setting->setting;
 303     }
 304     else
 305         oldval = 0;
 306     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
 307         title = temp->callback_and_desc->desc;
 308     else
 309         title = ID2P(setting->lang_id);
 310
 311     /* Pad the title string by repeating it. This is needed
 312        so the scroll settings title can actually be used to
 313        test the setting */
 314     if (setting->flags&F_PADTITLE)
 315     {
 316         int i = 0, len;
 317         if (setting->lang_id == -1)
 318             title = (char*)setting->cfg_vals;
 319         else
 320             title = P2STR((unsigned char*)title);
 321         len = strlen(title);
 322         while (i < MAX_PATH-1)
 323         {
 324             int padlen = MIN(len, MAX_PATH-1-i);
 325             strncpy(&padded_title[i], title, padlen);
 326             i += padlen;
 327             if (i<MAX_PATH-1)
 328                 padded_title[i++] = ' ';
 329         }
 330         padded_title[i] = '\0';
 331         title = padded_title;
 332     }
 333
 334     option_screen((struct settings_list *)setting, parent,
 335                   setting->flags&F_TEMPVAR, title);
 336 }
 337
 338 /* display a menu */
 339 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
 340             struct viewport parent[NB_SCREENS], bool hide_bars)
 341 {
 342     int selected = start_selected? *start_selected : 0;
 343     int action;
 344     struct gui_synclist lists;
 345     const struct menu_item_ex *temp, *menu;
 346     int ret = 0, i;
 347     bool redraw_lists;
 348     int oldbars = viewportmanager_set_statusbar(
 349             hide_bars ? VP_SB_HIDE_ALL : VP_SB_ALLSCREENS);
 350
 351     const struct menu_item_ex *menu_stack[MAX_MENUS];
 352     int menu_stack_selected_item[MAX_MENUS];
 353     int stack_top = 0;
 354     bool in_stringlist, done = false;
 355     struct viewport *vps = NULL;
 356 #ifdef HAVE_BUTTONBAR
 357     struct gui_buttonbar buttonbar;
 358     gui_buttonbar_init(&buttonbar);
 359     gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
 360     gui_buttonbar_set(&buttonbar, "<<<", "", "");
 361 #endif
 362
 363     menu_callback_type menu_callback = NULL;
 364     if (start_menu == NULL)
 365         menu = &main_menu_;
 366     else menu = start_menu;
 367
 368     /* if hide_bars is true, assume parent has been fixed before passed into
 369      * this function, e.g. with viewport_set_defaults(parent, screen, true) */
 370     init_menu_lists(menu, &lists, selected, true, parent);
 371     vps = *(lists.parent);
 372     in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
 373     /* load the callback, and only reload it if menu changes */
 374     get_menu_callback(menu, &menu_callback);
 375
 376
 377 #ifdef HAVE_BUTTONBAR
 378     if (!hide_bars)
 379     {
 380         gui_buttonbar_set(&buttonbar, "<<<", "", "");
 381         gui_buttonbar_draw(&buttonbar);
 382     }
 383 #endif
 384     while (!done)
 385     {
 386         redraw_lists = false;
 387         if (!hide_bars)
 388         {
 389 #ifdef HAVE_BUTTONBAR
 390             gui_buttonbar_draw(&buttonbar);
 391 #endif
 392         }
 393         action = get_action(CONTEXT_MAINMENU,
 394                             list_do_action_timeout(&lists, HZ));
 395         /* HZ so the status bar redraws corectly */
 396
 397         if (menu_callback)
 398         {
 399             int old_action = action;
 400             action = menu_callback(action, menu);
 401             if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
 402             {
 403                 action = old_action;
 404                 ret = MENU_SELECTED_EXIT; /* will exit after returning
 405                                              from selection */
 406             }
 407             else if (action == ACTION_REDRAW)
 408             {
 409                 action = old_action;
 410                 redraw_lists = true;
 411             }
 412         }
 413
 414         if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
 415             continue;
 416         if (action == ACTION_NONE)
 417             continue;
 418 #ifdef HAVE_QUICKSCREEN
 419         else if (action == ACTION_STD_QUICKSCREEN)
 420         {
 421             quick_screen_quick(action);
 422             redraw_lists = true;
 423         }
 424 #endif
 425 #ifdef HAVE_RECORDING
 426         else if (action == ACTION_STD_REC)
 427         {
 428             ret = GO_TO_RECSCREEN;
 429             done = true;
 430         }
 431 #endif
 432         else if (action == ACTION_TREE_WPS)
 433         {
 434             ret = GO_TO_PREVIOUS_MUSIC;
 435             done = true;
 436         }
 437         else if (action == ACTION_TREE_STOP)
 438         {
 439             redraw_lists = list_stop_handler();
 440         }
 441         else if (action == ACTION_STD_CONTEXT)
 442         {
 443             if (menu == &root_menu_)
 444             {
 445                 ret = GO_TO_ROOTITEM_CONTEXT;
 446                 done = true;
 447             }
 448             else if (!in_stringlist)
 449             {
 450                 int type;
 451                 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
 452                 temp = menu->submenus[selected];
 453                 type = (temp->flags&MENU_TYPE_MASK);
 454                 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
 455                 {
 456 #ifdef HAVE_QUICKSCREEN
 457                     MENUITEM_STRINGLIST(quickscreen_able_option,
 458                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 459                                         ID2P(LANG_RESET_SETTING),
 460                                         ID2P(LANG_LEFT_QS_ITEM),
 461                                         ID2P(LANG_BOTTOM_QS_ITEM),
 462                                         ID2P(LANG_RIGHT_QS_ITEM));
 463 #endif
 464                     MENUITEM_STRINGLIST(notquickscreen_able_option,
 465                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 466                                         ID2P(LANG_RESET_SETTING));
 467                     const struct menu_item_ex *menu;
 468                     int menu_selection = 0;
 469                     const struct settings_list *setting =
 470                             find_setting(temp->variable, NULL);
 471 #ifdef HAVE_QUICKSCREEN
 472                     if (is_setting_quickscreenable(setting))
 473                         menu = &quickscreen_able_option;
 474                     else
 475 #endif
 476                         menu = &notquickscreen_able_option;
 477                     switch (do_menu(menu, &menu_selection, NULL, false))
 478                     {
 479                         case GO_TO_PREVIOUS:
 480                             break;
 481                             case 0: /* reset setting */
 482                                 reset_setting(setting, setting->setting);
 483                                 break;
 484 #ifdef HAVE_QUICKSCREEN
 485                             break;
 486                         case 1: /* set as left QS item */
 487                             set_as_qs_item(setting, QUICKSCREEN_LEFT);
 488                             break;
 489                         case 2: /* set as bottom QS item */
 490                             set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
 491                             break;
 492                         case 3: /* set as right QS item */
 493                             set_as_qs_item(setting, QUICKSCREEN_RIGHT);
 494                             break;
 495 #endif
 496                     } /* swicth(do_menu()) */
 497                     redraw_lists = true;
 498                 }
 499             } /* else if (!in_stringlist) */
 500         }
 501         else if (action == ACTION_STD_MENU)
 502         {
 503             if (menu != &root_menu_)
 504                 ret = GO_TO_ROOT;
 505             else
 506                 ret = GO_TO_PREVIOUS;
 507             done = true;
 508         }
 509         else if (action == ACTION_STD_CANCEL)
 510         {
 511             bool exiting_menu = false;
 512             in_stringlist = false;
 513             /* might be leaving list, so stop scrolling */
 514             FOR_NB_SCREENS(i)
 515             {
 516                 screens[i].stop_scroll();
 517             }
 518             if (menu_callback)
 519                 menu_callback(ACTION_EXIT_MENUITEM, menu);
 520
 521             if (menu->flags&MENU_EXITAFTERTHISMENU)
 522                 done = true;
 523             else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 524                 exiting_menu = true;
 525             if (stack_top > 0)
 526             {
 527                 stack_top--;
 528                 menu = menu_stack[stack_top];
 529                 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
 530                     done = true;
 531                 else
 532                     init_menu_lists(menu, &lists,
 533                                     menu_stack_selected_item[stack_top], false, vps);
 534                 /* new menu, so reload the callback */
 535                 get_menu_callback(menu, &menu_callback);
 536             }
 537             else if (menu != &root_menu_)
 538             {
 539                 ret = GO_TO_PREVIOUS;
 540                 done = true;
 541             }
 542         }
 543         else if (action == ACTION_STD_OK)
 544         {
 545             int type;
 546             /* entering an item that may not be a list, so stop scrolling */
 547             FOR_NB_SCREENS(i)
 548             {
 549                 screens[i].stop_scroll();
 550             }
 551 #ifdef HAVE_BUTTONBAR
 552             if (!hide_bars)
 553             {
 554                 gui_buttonbar_unset(&buttonbar);
 555                 gui_buttonbar_draw(&buttonbar);
 556             }
 557 #endif
 558             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 559             temp = menu->submenus[selected];
 560             redraw_lists = true;
 561             if (in_stringlist)
 562                 type = (menu->flags&MENU_TYPE_MASK);
 563             else
 564             {
 565                 type = (temp->flags&MENU_TYPE_MASK);
 566                 get_menu_callback(temp, &menu_callback);
 567                 if (menu_callback)
 568                 {
 569                     action = menu_callback(ACTION_ENTER_MENUITEM,temp);
 570                     if (action == ACTION_EXIT_MENUITEM)
 571                         break;
 572                 }
 573             }
 574             switch (type)
 575             {
 576                 case MT_MENU:
 577                     if (stack_top < MAX_MENUS)
 578                     {
 579                         menu_stack[stack_top] = menu;
 580                         menu_stack_selected_item[stack_top] = selected;
 581                         stack_top++;
 582                         init_menu_lists(temp, &lists, 0, true, vps);
 583                         redraw_lists = false; /* above does the redraw */
 584                         menu = temp;
 585                     }
 586                     break;
 587                 case MT_FUNCTION_CALL:
 588                 {
 589                     int return_value;
 590                     if (temp->flags&MENU_FUNC_USEPARAM)
 591                         return_value = temp->function->function_w_param(
 592                                     temp->function->param);
 593                     else
 594                         return_value = temp->function->function();
 595                     if (!(menu->flags&MENU_EXITAFTERTHISMENU) ||
 596                             (temp->flags&MENU_EXITAFTERTHISMENU))
 597                     {
 598                         init_menu_lists(menu, &lists, selected, true, vps);
 599                     }
 600                     if (temp->flags&MENU_FUNC_CHECK_RETVAL)
 601                     {
 602                         if (return_value != 0)
 603                         {
 604                             done = true;
 605                             ret =  return_value;
 606                         }
 607                     }
 608                     break;
 609                 }
 610                 case MT_SETTING:
 611                 case MT_SETTING_W_TEXT:
 612                 {
 613                     do_setting_from_menu(temp, vps);
 614                     break;
 615                 }
 616                 case MT_RETURN_ID:
 617                     if (in_stringlist)
 618                     {
 619                         done = true;
 620                         ret =  selected;
 621                     }
 622                     else if (stack_top < MAX_MENUS)
 623                     {
 624                         menu_stack[stack_top] = menu;
 625                         menu_stack_selected_item[stack_top] = selected;
 626                         stack_top++;
 627                         menu = temp;
 628                         init_menu_lists(menu,&lists,0,false, vps);
 629                         redraw_lists = false; /* above does the redraw */
 630                         in_stringlist = true;
 631                     }
 632                     break;
 633                 case MT_RETURN_VALUE:
 634                     ret = temp->value;
 635                     done = true;
 636                     break;
 637             }
 638             if (type != MT_MENU)
 639             {
 640                 if (menu_callback)
 641                     menu_callback(ACTION_EXIT_MENUITEM,temp);
 642             }
 643             if (current_submenus_menu != menu)
 644                 init_menu_lists(menu,&lists,selected,true,vps);
 645             /* callback was changed, so reload the menu's callback */
 646             get_menu_callback(menu, &menu_callback);
 647             if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
 648                 !(temp->flags&MENU_EXITAFTERTHISMENU))
 649             {
 650                 done = true;
 651                 break;
 652             }
 653 #ifdef HAVE_BUTTONBAR
 654             if (!hide_bars)
 655             {
 656                 gui_buttonbar_set(&buttonbar, "<<<", "", "");
 657                 gui_buttonbar_draw(&buttonbar);
 658             }
 659 #endif
 660         }
 661         else if(default_event_handler(action) == SYS_USB_CONNECTED)
 662         {
 663             ret = MENU_ATTACHED_USB;
 664             done = true;
 665         }
 666
 667         if (redraw_lists && !done)
 668         {
 669             if (menu_callback)
 670                 menu_callback(ACTION_REDRAW, menu);
 671             gui_synclist_draw(&lists);
 672             gui_synclist_speak_item(&lists);
 673         }
 674     }
 675     if (start_selected)
 676     {
 677         /* make sure the start_selected variable is set to
 678            the selected item from the menu do_menu() was called from */
 679         if (stack_top > 0)
 680         {
 681             menu = menu_stack[0];
 682             init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
 683         }
 684         *start_selected = get_menu_selection(
 685                             gui_synclist_get_sel_pos(&lists), menu);
 686     }
 687     viewportmanager_set_statusbar(oldbars);
 688     return ret;
 689 }
 690