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 "status.h"
  44 #include "screens.h"
  45 #include "talk.h"
  46 #include "lang.h"
  47 #include "misc.h"
  48 #include "action.h"
  49 #include "menus/exported_menus.h"
  50 #include "string.h"
  51 #include "root_menu.h"
  52 #include "bookmark.h"
  53 #include "gwps-common.h" /* for fade() */
  54 #include "audio.h"
  55 #include "viewport.h"
  56 #include "quickscreen.h"
  57
  58 #ifdef HAVE_LCD_BITMAP
  59 #include "icons.h"
  60 #endif
  61
  62 /* gui api */
  63 #include "list.h"
  64 #include "statusbar.h"
  65 #include "buttonbar.h"
  66
  67 #define MAX_MENUS 8
  68 /* used to allow for dynamic menus */
  69 #define MAX_MENU_SUBITEMS 64
  70 static struct menu_item_ex *current_submenus_menu;
  71 static int current_subitems[MAX_MENU_SUBITEMS];
  72 static int current_subitems_count = 0;
  73 static int talk_menu_item(int selected_item, void *data);
  74
  75 static void get_menu_callback(const struct menu_item_ex *m,
  76                         menu_callback_type *menu_callback)
  77 {
  78     if (m->flags&(MENU_HAS_DESC|MENU_DYNAMIC_DESC))
  79         *menu_callback= m->callback_and_desc->menu_callback;
  80     else
  81         *menu_callback = m->menu_callback;
  82 }
  83
  84 static int get_menu_selection(int selected_item, const struct menu_item_ex *menu)
  85 {
  86     int type = (menu->flags&MENU_TYPE_MASK);
  87     if (type == MT_MENU && (selected_item<current_subitems_count))
  88         return current_subitems[selected_item];
  89     return selected_item;
  90 }
  91 static int find_menu_selection(int selected)
  92 {
  93     int i;
  94     for (i=0; i< current_subitems_count; i++)
  95         if (current_subitems[i] == selected)
  96             return i;
  97     return 0;
  98 }
  99 static char * get_menu_item_name(int selected_item,
 100                                  void * data,
 101                                  char *buffer,
 102                                  size_t buffer_len)
 103 {
 104     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 105     int type = (menu->flags&MENU_TYPE_MASK);
 106     selected_item = get_menu_selection(selected_item, menu);
 107
 108     (void)buffer_len;
 109     /* only MT_MENU or MT_RETURN_ID is allowed in here */
 110     if (type == MT_RETURN_ID)
 111     {
 112         if (menu->flags&MENU_DYNAMIC_DESC)
 113             return menu->menu_get_name_and_icon->list_get_name(selected_item,
 114                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 115         return (char*)menu->strings[selected_item];
 116     }
 117
 118     menu = menu->submenus[selected_item];
 119
 120     if ((menu->flags&MENU_DYNAMIC_DESC) && (type != MT_SETTING_W_TEXT))
 121         return menu->menu_get_name_and_icon->list_get_name(selected_item,
 122                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 123
 124     type = (menu->flags&MENU_TYPE_MASK);
 125     if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 126     {
 127         const struct settings_list *v
 128                 = find_setting(menu->variable, NULL);
 129         if (v)
 130             return str(v->lang_id);
 131         else return "Not Done yet!";
 132     }
 133     return P2STR(menu->callback_and_desc->desc);
 134 }
 135 #ifdef HAVE_LCD_BITMAP
 136 static int menu_get_icon(int selected_item, void * data)
 137 {
 138     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 139     int menu_icon = Icon_NOICON;
 140     selected_item = get_menu_selection(selected_item, menu);
 141
 142     if ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID)
 143     {
 144         return Icon_Menu_functioncall;
 145     }
 146     menu = menu->submenus[selected_item];
 147     if (menu->flags&MENU_HAS_DESC)
 148         menu_icon = menu->callback_and_desc->icon_id;
 149     else if (menu->flags&MENU_DYNAMIC_DESC)
 150         menu_icon = menu->menu_get_name_and_icon->icon_id;
 151
 152     if (menu_icon == Icon_NOICON)
 153     {
 154         switch (menu->flags&MENU_TYPE_MASK)
 155         {
 156             case MT_SETTING:
 157             case MT_SETTING_W_TEXT:
 158                 menu_icon = Icon_Menu_setting;
 159                 break;
 160             case MT_MENU:
 161                     menu_icon = Icon_Submenu;
 162                 break;
 163             case MT_FUNCTION_CALL:
 164             case MT_RETURN_VALUE:
 165                 menu_icon = Icon_Menu_functioncall;
 166                 break;
 167         }
 168     }
 169     return menu_icon;
 170 }
 171 #endif
 172
 173 static void init_menu_lists(const struct menu_item_ex *menu,
 174                      struct gui_synclist *lists, int selected, bool callback,
 175                      struct viewport parent[NB_SCREENS])
 176 {
 177     int i, count = MENU_GET_COUNT(menu->flags);
 178     int type = (menu->flags&MENU_TYPE_MASK);
 179     menu_callback_type menu_callback = NULL;
 180     int icon;
 181     current_subitems_count = 0;
 182
 183     if (type == MT_RETURN_ID)
 184         get_menu_callback(menu, &menu_callback);
 185
 186     for (i=0; i<count; i++)
 187     {
 188         if (type != MT_RETURN_ID)
 189             get_menu_callback(menu->submenus[i],&menu_callback);
 190         if (menu_callback)
 191         {
 192             if (menu_callback(ACTION_REQUEST_MENUITEM,
 193                     type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i])
 194                     != ACTION_EXIT_MENUITEM)
 195             {
 196                 current_subitems[current_subitems_count] = i;
 197                 current_subitems_count++;
 198             }
 199         }
 200         else
 201         {
 202             current_subitems[current_subitems_count] = i;
 203             current_subitems_count++;
 204         }
 205     }
 206     current_submenus_menu = (struct menu_item_ex *)menu;
 207
 208     gui_synclist_init(lists,get_menu_item_name,(void*)menu,false,1, parent);
 209 #ifdef HAVE_LCD_BITMAP
 210     if (menu->callback_and_desc->icon_id == Icon_NOICON)
 211         icon = Icon_Submenu_Entered;
 212     else
 213         icon = menu->callback_and_desc->icon_id;
 214     gui_synclist_set_title(lists, P2STR(menu->callback_and_desc->desc), icon);
 215     gui_synclist_set_icon_callback(lists, menu_get_icon);
 216 #else
 217     (void)icon;
 218     gui_synclist_set_icon_callback(lists, NULL);
 219 #endif
 220     if(global_settings.talk_menu)
 221         gui_synclist_set_voice_callback(lists, talk_menu_item);
 222     gui_synclist_set_nb_items(lists,current_subitems_count);
 223     gui_synclist_limit_scroll(lists,true);
 224     gui_synclist_select_item(lists, find_menu_selection(selected));
 225
 226     get_menu_callback(menu,&menu_callback);
 227     if (callback && menu_callback)
 228         menu_callback(ACTION_ENTER_MENUITEM,menu);
 229     gui_synclist_draw(lists);
 230     gui_synclist_speak_item(lists);
 231 }
 232
 233 static int talk_menu_item(int selected_item, void *data)
 234 {
 235     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 236     int id = -1;
 237     int type;
 238     unsigned char *str;
 239     int sel = get_menu_selection(selected_item, menu);
 240
 241         if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 242         {
 243             type = menu->submenus[sel]->flags&MENU_TYPE_MASK;
 244             if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 245                 talk_setting(menu->submenus[sel]->variable);
 246             else
 247             {
 248                 if (menu->submenus[sel]->flags&(MENU_DYNAMIC_DESC))
 249                 {
 250                     int (*list_speak_item)(int selected_item, void * data)
 251                         = menu->submenus[sel]->menu_get_name_and_icon->
 252                         list_speak_item;
 253                     if(list_speak_item)
 254                         list_speak_item(sel, menu->submenus[sel]->
 255                                         menu_get_name_and_icon->
 256                                         list_get_name_data);
 257                     else
 258                     {
 259                         char buffer[80];
 260                         str = menu->submenus[sel]->menu_get_name_and_icon->
 261                             list_get_name(sel, menu->submenus[sel]->
 262                                           menu_get_name_and_icon->
 263                                           list_get_name_data, buffer);
 264                         id = P2ID(str);
 265                     }
 266                 }
 267                 else
 268                     id = P2ID(menu->submenus[sel]->callback_and_desc->desc);
 269                 if (id != -1)
 270                    talk_id(id,false);
 271             }
 272         }
 273         else if(((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID))
 274         {
 275             if ((menu->flags&MENU_DYNAMIC_DESC) == 0)
 276             {
 277                 unsigned char *s = (unsigned char *)menu->strings[sel];
 278                 /* string list, try to talk it if ID2P was used */
 279                 id = P2ID(s);
 280                 if (id != -1)
 281                     talk_id(id,false);
 282             }
 283         }
 284         return 0;
 285 }
 286
 287 bool do_setting_from_menu(const struct menu_item_ex *temp,
 288                           struct viewport parent[NB_SCREENS])
 289 {
 290     int setting_id, oldval;
 291     const struct settings_list *setting = find_setting(
 292                                                temp->variable,
 293                                                &setting_id);
 294     char *title;
 295     char padded_title[MAX_PATH];
 296     int var_type = setting->flags&F_T_MASK;
 297     if (var_type == F_T_INT || var_type == F_T_UINT)
 298     {
 299         oldval = *(int*)setting->setting;
 300     }
 301     else if (var_type == F_T_BOOL)
 302     {
 303         oldval = *(bool*)setting->setting;
 304     }
 305     else
 306         oldval = 0;
 307     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
 308         title = temp->callback_and_desc->desc;
 309     else
 310         title = ID2P(setting->lang_id);
 311
 312     /* Pad the title string by repeating it. This is needed
 313        so the scroll settings title can actually be used to
 314        test the setting */
 315     if (setting->flags&F_PADTITLE)
 316     {
 317         int i = 0, len;
 318         if (setting->lang_id == -1)
 319             title = (char*)setting->cfg_vals;
 320         else
 321             title = P2STR((unsigned char*)title);
 322         len = strlen(title);
 323         while (i < MAX_PATH-1)
 324         {
 325             int padlen = MIN(len, MAX_PATH-1-i);
 326             strncpy(&padded_title[i], title, padlen);
 327             i += padlen;
 328             if (i<MAX_PATH-1)
 329                 padded_title[i++] = ' ';
 330         }
 331         padded_title[i] = '\0';
 332         title = padded_title;
 333     }
 334
 335     option_screen((struct settings_list *)setting, parent,
 336                   setting->flags&F_TEMPVAR, title);
 337     if (var_type == F_T_INT || var_type == F_T_UINT)
 338     {
 339         return oldval != *(int*)setting->setting;
 340     }
 341     else if (var_type == F_T_BOOL)
 342     {
 343         return oldval != *(bool*)setting->setting;
 344     }
 345     return false;
 346 }
 347
 348 /* display a menu */
 349 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
 350             struct viewport parent[NB_SCREENS], bool hide_bars)
 351 {
 352     int selected = start_selected? *start_selected : 0;
 353     int action;
 354     struct gui_synclist lists;
 355     const struct menu_item_ex *temp, *menu;
 356     int ret = 0, i;
 357     bool redraw_lists;
 358     bool oldbars = viewportmanager_set_statusbar(!hide_bars);
 359
 360     const struct menu_item_ex *menu_stack[MAX_MENUS];
 361     int menu_stack_selected_item[MAX_MENUS];
 362     int stack_top = 0;
 363     bool in_stringlist, done = false;
 364     struct viewport *vps = NULL;
 365 #ifdef HAVE_BUTTONBAR
 366     struct gui_buttonbar buttonbar;
 367     gui_buttonbar_init(&buttonbar);
 368     gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
 369     gui_buttonbar_set(&buttonbar, "<<<", "", "");
 370 #endif
 371
 372     menu_callback_type menu_callback = NULL;
 373     if (start_menu == NULL)
 374         menu = &main_menu_;
 375     else menu = start_menu;
 376
 377     /* if hide_bars is true, assume parent has been fixed before passed into
 378      * this function, e.g. with viewport_set_defaults(parent, screen, true) */
 379     init_menu_lists(menu, &lists, selected, true, parent);
 380     vps = *(lists.parent);
 381     in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
 382     /* load the callback, and only reload it if menu changes */
 383     get_menu_callback(menu, &menu_callback);
 384
 385
 386 #ifdef HAVE_BUTTONBAR
 387     if (!hide_bars)
 388     {
 389         gui_buttonbar_set(&buttonbar, "<<<", "", "");
 390         gui_buttonbar_draw(&buttonbar);
 391     }
 392 #endif
 393     while (!done)
 394     {
 395         redraw_lists = false;
 396         if (!hide_bars)
 397         {
 398 #ifdef HAVE_BUTTONBAR
 399             gui_buttonbar_draw(&buttonbar);
 400 #endif
 401         }
 402         action = get_action(CONTEXT_MAINMENU,
 403                             list_do_action_timeout(&lists, HZ));
 404         /* HZ so the status bar redraws corectly */
 405
 406         if (menu_callback)
 407         {
 408             int old_action = action;
 409             action = menu_callback(action, menu);
 410             if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
 411             {
 412                 action = old_action;
 413                 ret = MENU_SELECTED_EXIT; /* will exit after returning
 414                                              from selection */
 415             }
 416             else if (action == ACTION_REDRAW)
 417             {
 418                 action = old_action;
 419                 redraw_lists = true;
 420             }
 421         }
 422
 423         if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
 424             continue;
 425         if (action == ACTION_NONE)
 426             continue;
 427 #ifdef HAVE_QUICKSCREEN
 428         else if (action == ACTION_STD_QUICKSCREEN)
 429         {
 430             quick_screen_quick(action);
 431             redraw_lists = true;
 432         }
 433 #endif
 434 #ifdef HAVE_RECORDING
 435         else if (action == ACTION_STD_REC)
 436         {
 437             ret = GO_TO_RECSCREEN;
 438             done = true;
 439         }
 440 #endif
 441         else if (action == ACTION_TREE_WPS)
 442         {
 443             ret = GO_TO_PREVIOUS_MUSIC;
 444             done = true;
 445         }
 446         else if (action == ACTION_TREE_STOP)
 447         {
 448             redraw_lists = list_stop_handler();
 449         }
 450         else if (action == ACTION_STD_CONTEXT)
 451         {
 452             if (menu == &root_menu_)
 453             {
 454                 ret = GO_TO_ROOTITEM_CONTEXT;
 455                 done = true;
 456             }
 457             else if (!in_stringlist)
 458             {
 459                 int type;
 460                 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
 461                 temp = menu->submenus[selected];
 462                 type = (temp->flags&MENU_TYPE_MASK);
 463                 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
 464                 {
 465 #ifdef HAVE_QUICKSCREEN
 466                     MENUITEM_STRINGLIST(quickscreen_able_option,
 467                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 468                                         ID2P(LANG_RESET_SETTING),
 469                                         ID2P(LANG_LEFT_QS_ITEM),
 470                                         ID2P(LANG_BOTTOM_QS_ITEM),
 471                                         ID2P(LANG_RIGHT_QS_ITEM));
 472 #endif
 473                     MENUITEM_STRINGLIST(notquickscreen_able_option,
 474                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 475                                         ID2P(LANG_RESET_SETTING));
 476                     const struct menu_item_ex *menu;
 477                     int menu_selection = 0;
 478                     const struct settings_list *setting =
 479                             find_setting(temp->variable, NULL);
 480 #ifdef HAVE_QUICKSCREEN
 481                     if (is_setting_quickscreenable(setting))
 482                         menu = &quickscreen_able_option;
 483                     else
 484 #endif
 485                         menu = &notquickscreen_able_option;
 486                     switch (do_menu(menu, &menu_selection, NULL, false))
 487                     {
 488                         case GO_TO_PREVIOUS:
 489                             break;
 490                             case 0: /* reset setting */
 491                                 reset_setting(setting, setting->setting);
 492                                 break;
 493 #ifdef HAVE_QUICKSCREEN
 494                             break;
 495                         case 1: /* set as left QS item */
 496                             set_as_qs_item(setting, QUICKSCREEN_LEFT);
 497                             break;
 498                         case 2: /* set as bottom QS item */
 499                             set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
 500                             break;
 501                         case 3: /* set as right QS item */
 502                             set_as_qs_item(setting, QUICKSCREEN_RIGHT);
 503                             break;
 504 #endif
 505                     } /* swicth(do_menu()) */
 506                     redraw_lists = true;
 507                 }
 508             } /* else if (!in_stringlist) */
 509         }
 510         else if (action == ACTION_STD_MENU)
 511         {
 512             if (menu != &root_menu_)
 513                 ret = GO_TO_ROOT;
 514             else
 515                 ret = GO_TO_PREVIOUS;
 516             done = true;
 517         }
 518         else if (action == ACTION_STD_CANCEL)
 519         {
 520             bool exiting_menu = false;
 521             in_stringlist = false;
 522             /* might be leaving list, so stop scrolling */
 523             FOR_NB_SCREENS(i)
 524             {
 525                 screens[i].stop_scroll();
 526             }
 527             if (menu_callback)
 528                 menu_callback(ACTION_EXIT_MENUITEM, menu);
 529
 530             if (menu->flags&MENU_EXITAFTERTHISMENU)
 531                 done = true;
 532             else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 533                 exiting_menu = true;
 534             if (stack_top > 0)
 535             {
 536                 stack_top--;
 537                 menu = menu_stack[stack_top];
 538                 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
 539                     done = true;
 540                 else
 541                     init_menu_lists(menu, &lists,
 542                                     menu_stack_selected_item[stack_top], false, vps);
 543                 /* new menu, so reload the callback */
 544                 get_menu_callback(menu, &menu_callback);
 545             }
 546             else if (menu != &root_menu_)
 547             {
 548                 ret = GO_TO_PREVIOUS;
 549                 done = true;
 550             }
 551         }
 552         else if (action == ACTION_STD_OK)
 553         {
 554             int type;
 555             /* entering an item that may not be a list, so stop scrolling */
 556             FOR_NB_SCREENS(i)
 557             {
 558                 screens[i].stop_scroll();
 559             }
 560 #ifdef HAVE_BUTTONBAR
 561             if (!hide_bars)
 562             {
 563                 gui_buttonbar_unset(&buttonbar);
 564                 gui_buttonbar_draw(&buttonbar);
 565             }
 566 #endif
 567             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 568             temp = menu->submenus[selected];
 569             redraw_lists = true;
 570             if (in_stringlist)
 571                 type = (menu->flags&MENU_TYPE_MASK);
 572             else
 573             {
 574                 type = (temp->flags&MENU_TYPE_MASK);
 575                 get_menu_callback(temp, &menu_callback);
 576                 if (menu_callback)
 577                 {
 578                     action = menu_callback(ACTION_ENTER_MENUITEM,temp);
 579                     if (action == ACTION_EXIT_MENUITEM)
 580                         break;
 581                 }
 582             }
 583             switch (type)
 584             {
 585                 case MT_MENU:
 586                     if (stack_top < MAX_MENUS)
 587                     {
 588                         menu_stack[stack_top] = menu;
 589                         menu_stack_selected_item[stack_top] = selected;
 590                         stack_top++;
 591                         init_menu_lists(temp, &lists, 0, true, vps);
 592                         redraw_lists = false; /* above does the redraw */
 593                         menu = temp;
 594                     }
 595                     break;
 596                 case MT_FUNCTION_CALL:
 597                 {
 598                     int return_value;
 599                     if (temp->flags&MENU_FUNC_USEPARAM)
 600                         return_value = temp->function->function_w_param(
 601                                     temp->function->param);
 602                     else
 603                         return_value = temp->function->function();
 604                     if (!(menu->flags&MENU_EXITAFTERTHISMENU) ||
 605                             (temp->flags&MENU_EXITAFTERTHISMENU))
 606                     {
 607                         init_menu_lists(menu, &lists, selected, true, vps);
 608                     }
 609                     if (temp->flags&MENU_FUNC_CHECK_RETVAL)
 610                     {
 611                         if (return_value != 0)
 612                         {
 613                             done = true;
 614                             ret =  return_value;
 615                         }
 616                     }
 617                     break;
 618                 }
 619                 case MT_SETTING:
 620                 case MT_SETTING_W_TEXT:
 621                 {
 622                     if (do_setting_from_menu(temp, vps))
 623                     {
 624                         init_menu_lists(menu, &lists, selected, true,vps);
 625                         redraw_lists = false; /* above does the redraw */
 626                     }
 627                     break;
 628                 }
 629                 case MT_RETURN_ID:
 630                     if (in_stringlist)
 631                     {
 632                         done = true;
 633                         ret =  selected;
 634                     }
 635                     else if (stack_top < MAX_MENUS)
 636                     {
 637                         menu_stack[stack_top] = menu;
 638                         menu_stack_selected_item[stack_top] = selected;
 639                         stack_top++;
 640                         menu = temp;
 641                         init_menu_lists(menu,&lists,0,false, vps);
 642                         redraw_lists = false; /* above does the redraw */
 643                         in_stringlist = true;
 644                     }
 645                     break;
 646                 case MT_RETURN_VALUE:
 647                     ret = temp->value;
 648                     done = true;
 649                     break;
 650             }
 651             if (type != MT_MENU)
 652             {
 653                 if (menu_callback)
 654                     menu_callback(ACTION_EXIT_MENUITEM,temp);
 655             }
 656             if (current_submenus_menu != menu)
 657                 init_menu_lists(menu,&lists,selected,true,vps);
 658             /* callback was changed, so reload the menu's callback */
 659             get_menu_callback(menu, &menu_callback);
 660             if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
 661                 !(temp->flags&MENU_EXITAFTERTHISMENU))
 662             {
 663                 done = true;
 664                 break;
 665             }
 666 #ifdef HAVE_BUTTONBAR
 667             if (!hide_bars)
 668             {
 669                 gui_buttonbar_set(&buttonbar, "<<<", "", "");
 670                 gui_buttonbar_draw(&buttonbar);
 671             }
 672 #endif
 673         }
 674         else if(default_event_handler(action) == SYS_USB_CONNECTED)
 675         {
 676             ret = MENU_ATTACHED_USB;
 677             done = true;
 678         }
 679
 680         if (redraw_lists && !done)
 681         {
 682             if (menu_callback)
 683                 menu_callback(ACTION_REDRAW, menu);
 684             gui_synclist_draw(&lists);
 685             gui_synclist_speak_item(&lists);
 686         }
 687     }
 688     if (start_selected)
 689     {
 690         /* make sure the start_selected variable is set to
 691            the selected item from the menu do_menu() was called from */
 692         if (stack_top > 0)
 693         {
 694             menu = menu_stack[0];
 695             init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
 696         }
 697         *start_selected = get_menu_selection(
 698                             gui_synclist_get_sel_pos(&lists), menu);
 699     }
 700     viewportmanager_set_statusbar(oldbars);
 701     return ret;
 702 }
 703