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 "appevents.h"
  32 #include "lcd.h"
  33 #include "font.h"
  34 #include "file.h"
  35 #include "menu.h"
  36 #include "button.h"
  37 #include "kernel.h"
  38 #include "debug.h"
  39 #include "usb.h"
  40 #include "panic.h"
  41 #include "settings.h"
  42 #include "settings_list.h"
  43 #include "option_select.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 "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 /* hotkey settings */
  65 #ifdef HAVE_HOTKEY
  66 const struct menu_item_ex *selected_menu_item;
  67 bool hotkey_settable_menu = false;
  68 #endif
  69
  70 #define MAX_MENUS 8
  71 /* used to allow for dynamic menus */
  72 #define MAX_MENU_SUBITEMS 64
  73 static struct menu_item_ex *current_submenus_menu;
  74 static int current_subitems[MAX_MENU_SUBITEMS];
  75 static int current_subitems_count = 0;
  76 static int talk_menu_item(int selected_item, void *data);
  77
  78 static void get_menu_callback(const struct menu_item_ex *m,
  79                         menu_callback_type *menu_callback)
  80 {
  81     if (m->flags&(MENU_HAS_DESC|MENU_DYNAMIC_DESC))
  82         *menu_callback= m->callback_and_desc->menu_callback;
  83     else
  84         *menu_callback = m->menu_callback;
  85 }
  86
  87 static int get_menu_selection(int selected_item, const struct menu_item_ex *menu)
  88 {
  89     int type = (menu->flags&MENU_TYPE_MASK);
  90     if ((type == MT_MENU || type == MT_RETURN_ID)
  91         && (selected_item<current_subitems_count))
  92         return current_subitems[selected_item];
  93     return selected_item;
  94 }
  95 static int find_menu_selection(int selected)
  96 {
  97     int i;
  98     for (i=0; i< current_subitems_count; i++)
  99         if (current_subitems[i] == selected)
 100             return i;
 101     return 0;
 102 }
 103 static const char* get_menu_item_name(int selected_item,
 104                                       void * data,
 105                                       char *buffer,
 106                                       size_t buffer_len)
 107 {
 108     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 109     int type = (menu->flags&MENU_TYPE_MASK);
 110     selected_item = get_menu_selection(selected_item, menu);
 111
 112     (void)buffer_len;
 113     /* only MT_MENU or MT_RETURN_ID is allowed in here */
 114     if (type == MT_RETURN_ID)
 115     {
 116         if (menu->flags&MENU_DYNAMIC_DESC)
 117             return menu->menu_get_name_and_icon->list_get_name(selected_item,
 118                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 119         return menu->strings[selected_item];
 120     }
 121
 122     menu = menu->submenus[selected_item];
 123
 124     if ((menu->flags&MENU_DYNAMIC_DESC) && (type != MT_SETTING_W_TEXT))
 125         return menu->menu_get_name_and_icon->list_get_name(selected_item,
 126                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 127
 128     type = (menu->flags&MENU_TYPE_MASK);
 129     if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 130     {
 131         const struct settings_list *v
 132                 = find_setting(menu->variable, NULL);
 133         if (v)
 134             return str(v->lang_id);
 135         else return "Not Done yet!";
 136     }
 137     return P2STR(menu->callback_and_desc->desc);
 138 }
 139 #ifdef HAVE_LCD_BITMAP
 140 static enum themable_icons  menu_get_icon(int selected_item, void * data)
 141 {
 142     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 143     int menu_icon = Icon_NOICON;
 144     selected_item = get_menu_selection(selected_item, menu);
 145
 146     if ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID)
 147     {
 148         return Icon_Menu_functioncall;
 149     }
 150     menu = menu->submenus[selected_item];
 151     if (menu->flags&MENU_HAS_DESC)
 152         menu_icon = menu->callback_and_desc->icon_id;
 153     else if (menu->flags&MENU_DYNAMIC_DESC)
 154         menu_icon = menu->menu_get_name_and_icon->icon_id;
 155
 156     if (menu_icon == Icon_NOICON)
 157     {
 158         switch (menu->flags&MENU_TYPE_MASK)
 159         {
 160             case MT_SETTING:
 161             case MT_SETTING_W_TEXT:
 162                 menu_icon = Icon_Menu_setting;
 163                 break;
 164             case MT_MENU:
 165                     menu_icon = Icon_Submenu;
 166                 break;
 167             case MT_FUNCTION_CALL:
 168             case MT_RETURN_VALUE:
 169                 menu_icon = Icon_Menu_functioncall;
 170                 break;
 171         }
 172     }
 173     return menu_icon;
 174 }
 175 #endif
 176
 177 static void init_menu_lists(const struct menu_item_ex *menu,
 178                      struct gui_synclist *lists, int selected, bool callback,
 179                      struct viewport parent[NB_SCREENS])
 180 {
 181     int i, count = MENU_GET_COUNT(menu->flags);
 182     int type = (menu->flags&MENU_TYPE_MASK);
 183     menu_callback_type menu_callback = NULL;
 184     int icon;
 185     current_subitems_count = 0;
 186
 187     if (type == MT_RETURN_ID)
 188         get_menu_callback(menu, &menu_callback);
 189
 190     for (i=0; i<count; i++)
 191     {
 192         if (type != MT_RETURN_ID)
 193             get_menu_callback(menu->submenus[i],&menu_callback);
 194         if (menu_callback)
 195         {
 196             if (menu_callback(ACTION_REQUEST_MENUITEM,
 197                     type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i])
 198                     != ACTION_EXIT_MENUITEM)
 199             {
 200                 current_subitems[current_subitems_count] = i;
 201                 current_subitems_count++;
 202             }
 203         }
 204         else
 205         {
 206             current_subitems[current_subitems_count] = i;
 207             current_subitems_count++;
 208         }
 209     }
 210     current_submenus_menu = (struct menu_item_ex *)menu;
 211
 212     gui_synclist_init(lists,get_menu_item_name,(void*)menu,false,1, parent);
 213 #ifdef HAVE_LCD_BITMAP
 214     if (menu->callback_and_desc->icon_id == Icon_NOICON)
 215         icon = Icon_Submenu_Entered;
 216     else
 217         icon = menu->callback_and_desc->icon_id;
 218     gui_synclist_set_title(lists, P2STR(menu->callback_and_desc->desc), icon);
 219     gui_synclist_set_icon_callback(lists, global_settings.show_icons?menu_get_icon:NULL);
 220 #else
 221     (void)icon;
 222     gui_synclist_set_icon_callback(lists, NULL);
 223 #endif
 224     if(global_settings.talk_menu)
 225         gui_synclist_set_voice_callback(lists, talk_menu_item);
 226     gui_synclist_set_nb_items(lists,current_subitems_count);
 227     gui_synclist_limit_scroll(lists,true);
 228     gui_synclist_select_item(lists, find_menu_selection(selected));
 229
 230     get_menu_callback(menu,&menu_callback);
 231     if (callback && menu_callback)
 232         menu_callback(ACTION_ENTER_MENUITEM,menu);
 233     gui_synclist_draw(lists);
 234     gui_synclist_speak_item(lists);
 235 }
 236
 237 static int talk_menu_item(int selected_item, void *data)
 238 {
 239     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 240     int id = -1;
 241     int type;
 242     unsigned char *str;
 243     int sel = get_menu_selection(selected_item, menu);
 244
 245         if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 246         {
 247             type = menu->submenus[sel]->flags&MENU_TYPE_MASK;
 248             if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 249                 talk_setting(menu->submenus[sel]->variable);
 250             else
 251             {
 252                 if (menu->submenus[sel]->flags&(MENU_DYNAMIC_DESC))
 253                 {
 254                     int (*list_speak_item)(int selected_item, void * data)
 255                         = menu->submenus[sel]->menu_get_name_and_icon->
 256                         list_speak_item;
 257                     if(list_speak_item)
 258                         list_speak_item(sel, menu->submenus[sel]->
 259                                         menu_get_name_and_icon->
 260                                         list_get_name_data);
 261                     else
 262                     {
 263                         char buffer[80];
 264                         str = menu->submenus[sel]->menu_get_name_and_icon->
 265                             list_get_name(sel, menu->submenus[sel]->
 266                                           menu_get_name_and_icon->
 267                                           list_get_name_data, buffer);
 268                         id = P2ID(str);
 269                     }
 270                 }
 271                 else
 272                     id = P2ID(menu->submenus[sel]->callback_and_desc->desc);
 273                 if (id != -1)
 274                     talk_id(id,false);
 275             }
 276         }
 277         else if(((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID))
 278         {
 279             if ((menu->flags&MENU_DYNAMIC_DESC) == 0)
 280             {
 281                 unsigned char *s = (unsigned char *)menu->strings[sel];
 282                 /* string list, try to talk it if ID2P was used */
 283                 id = P2ID(s);
 284                 if (id != -1)
 285                     talk_id(id,false);
 286             }
 287         }
 288         return 0;
 289 }
 290
 291 void do_setting_from_menu(const struct menu_item_ex *temp,
 292                           struct viewport parent[NB_SCREENS])
 293 {
 294     int setting_id, oldval;
 295     const struct settings_list *setting =
 296             find_setting(temp->variable, &setting_id);
 297     char *title;
 298     char padded_title[MAX_PATH];
 299     int var_type = setting->flags&F_T_MASK;
 300     if (var_type == F_T_INT || var_type == F_T_UINT)
 301     {
 302         oldval = *(int*)setting->setting;
 303     }
 304     else if (var_type == F_T_BOOL)
 305     {
 306         oldval = *(bool*)setting->setting;
 307     }
 308     else
 309         oldval = 0;
 310     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
 311         title = temp->callback_and_desc->desc;
 312     else
 313         title = ID2P(setting->lang_id);
 314
 315     /* Pad the title string by repeating it. This is needed
 316        so the scroll settings title can actually be used to
 317        test the setting */
 318     if (setting->flags&F_PADTITLE)
 319     {
 320         int i = 0, len;
 321         if (setting->lang_id == -1)
 322             title = (char*)setting->cfg_vals;
 323         else
 324             title = P2STR((unsigned char*)title);
 325         len = strlen(title);
 326         while (i < MAX_PATH-1)
 327         {
 328             int padlen = MIN(len, MAX_PATH-1-i);
 329             memcpy(&padded_title[i], title, padlen);
 330             i += padlen;
 331             if (i<MAX_PATH-1)
 332                 padded_title[i++] = ' ';
 333         }
 334         padded_title[i] = '\0';
 335         title = padded_title;
 336     }
 337
 338     option_screen((struct settings_list *)setting, parent,
 339                   setting->flags&F_TEMPVAR, title);
 340 }
 341
 342 /* display a menu */
 343 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
 344             struct viewport parent[NB_SCREENS], bool hide_theme)
 345 {
 346     int selected = start_selected? *start_selected : 0;
 347     int action;
 348     struct gui_synclist lists;
 349     const struct menu_item_ex *temp, *menu;
 350     int ret = 0, i;
 351     bool redraw_lists;
 352     FOR_NB_SCREENS(i)
 353         viewportmanager_theme_enable(i, !hide_theme, NULL);
 354
 355     const struct menu_item_ex *menu_stack[MAX_MENUS];
 356     int menu_stack_selected_item[MAX_MENUS];
 357     int stack_top = 0;
 358     bool in_stringlist, done = false;
 359     struct viewport *vps = NULL;
 360 #ifdef HAVE_BUTTONBAR
 361     struct gui_buttonbar buttonbar;
 362     gui_buttonbar_init(&buttonbar);
 363     gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
 364     gui_buttonbar_set(&buttonbar, "<<<", "", "");
 365 #endif
 366
 367     menu_callback_type menu_callback = NULL;
 368     if (start_menu == NULL)
 369         menu = &main_menu_;
 370     else menu = start_menu;
 371
 372     /* if hide_theme is true, assume parent has been fixed before passed into
 373      * this function, e.g. with viewport_set_defaults(parent, screen) */
 374     init_menu_lists(menu, &lists, selected, true, parent);
 375     vps = *(lists.parent);
 376     in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
 377     /* load the callback, and only reload it if menu changes */
 378     get_menu_callback(menu, &menu_callback);
 379
 380 #ifdef HAVE_BUTTONBAR
 381     if (!hide_theme)
 382     {
 383         gui_buttonbar_set(&buttonbar, "<<<", "", "");
 384         gui_buttonbar_draw(&buttonbar);
 385     }
 386 #endif
 387     while (!done)
 388     {
 389         redraw_lists = false;
 390         if (!hide_theme)
 391         {
 392 #ifdef HAVE_BUTTONBAR
 393             gui_buttonbar_draw(&buttonbar);
 394 #endif
 395         }
 396         action = get_action(CONTEXT_MAINMENU,
 397                             list_do_action_timeout(&lists, HZ));
 398         /* HZ so the status bar redraws corectly */
 399
 400         if (menu_callback)
 401         {
 402             int old_action = action;
 403             action = menu_callback(action, menu);
 404             if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
 405             {
 406                 action = old_action;
 407                 ret = MENU_SELECTED_EXIT; /* will exit after returning
 408                                              from selection */
 409             }
 410             else if (action == ACTION_REDRAW)
 411             {
 412                 action = old_action;
 413                 redraw_lists = true;
 414             }
 415         }
 416
 417         if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
 418             continue;
 419         if (action == ACTION_NONE)
 420             continue;
 421 #ifdef HAVE_QUICKSCREEN
 422         else if (action == ACTION_STD_QUICKSCREEN)
 423         {
 424             quick_screen_quick(action);
 425             redraw_lists = true;
 426         }
 427 #endif
 428 #ifdef HAVE_RECORDING
 429         else if (action == ACTION_STD_REC)
 430         {
 431             ret = GO_TO_RECSCREEN;
 432             done = true;
 433         }
 434 #endif
 435 #ifdef HAVE_HOTKEY
 436         else if (hotkey_settable_menu &&
 437                 ((action == ACTION_WPS_HOTKEY) ||
 438                  (action == ACTION_TREE_HOTKEY)))
 439         {
 440             ret = MENU_SELECTED_HOTKEY;
 441             done = true;
 442             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
 443             selected_menu_item = menu->submenus[selected];
 444         }
 445 #endif
 446         else if (action == ACTION_TREE_WPS)
 447         {
 448             ret = GO_TO_PREVIOUS_MUSIC;
 449             done = true;
 450         }
 451         else if (action == ACTION_TREE_STOP)
 452         {
 453             redraw_lists = list_stop_handler();
 454         }
 455         else if (action == ACTION_STD_CONTEXT)
 456         {
 457             if (menu == &root_menu_)
 458             {
 459                 ret = GO_TO_ROOTITEM_CONTEXT;
 460                 done = true;
 461             }
 462             else if (!in_stringlist)
 463             {
 464                 int type;
 465                 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
 466                 temp = menu->submenus[selected];
 467                 type = (temp->flags&MENU_TYPE_MASK);
 468                 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
 469                 {
 470 #ifdef HAVE_QUICKSCREEN
 471                     MENUITEM_STRINGLIST(quickscreen_able_option,
 472                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 473                                         ID2P(LANG_RESET_SETTING),
 474                                         ID2P(LANG_TOP_QS_ITEM),
 475                                         ID2P(LANG_LEFT_QS_ITEM),
 476                                         ID2P(LANG_BOTTOM_QS_ITEM),
 477                                         ID2P(LANG_RIGHT_QS_ITEM));
 478 #endif
 479                     MENUITEM_STRINGLIST(notquickscreen_able_option,
 480                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 481                                         ID2P(LANG_RESET_SETTING));
 482                     const struct menu_item_ex *menu;
 483                     int menu_selection = 0;
 484                     const struct settings_list *setting =
 485                             find_setting(temp->variable, NULL);
 486 #ifdef HAVE_QUICKSCREEN
 487                     if (is_setting_quickscreenable(setting))
 488                         menu = &quickscreen_able_option;
 489                     else
 490 #endif
 491                         menu = &notquickscreen_able_option;
 492                     switch (do_menu(menu, &menu_selection, NULL, false))
 493                     {
 494                         case GO_TO_PREVIOUS:
 495                             break;
 496                         case 0: /* reset setting */
 497                             reset_setting(setting, setting->setting);
 498                             break;
 499 #ifdef HAVE_QUICKSCREEN
 500                         case 1: /* set as top QS item */
 501                             set_as_qs_item(setting, QUICKSCREEN_TOP);
 502                             break;
 503                         case 2: /* set as left QS item */
 504                             set_as_qs_item(setting, QUICKSCREEN_LEFT);
 505                             break;
 506                         case 3: /* set as bottom QS item */
 507                             set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
 508                             break;
 509                         case 4: /* set as right QS item */
 510                             set_as_qs_item(setting, QUICKSCREEN_RIGHT);
 511                             break;
 512 #endif
 513                     } /* swicth(do_menu()) */
 514                     redraw_lists = true;
 515                 }
 516             } /* else if (!in_stringlist) */
 517         }
 518         else if (action == ACTION_STD_MENU)
 519         {
 520             if (menu != &root_menu_)
 521                 ret = GO_TO_ROOT;
 522             else
 523                 ret = GO_TO_PREVIOUS;
 524             done = true;
 525         }
 526         else if (action == ACTION_STD_CANCEL)
 527         {
 528             bool exiting_menu = false;
 529             in_stringlist = false;
 530             /* might be leaving list, so stop scrolling */
 531             gui_synclist_scroll_stop(&lists);
 532             if (menu_callback)
 533                 menu_callback(ACTION_EXIT_MENUITEM, menu);
 534
 535             if (menu->flags&MENU_EXITAFTERTHISMENU)
 536                 done = true;
 537             else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 538                 exiting_menu = true;
 539             if (stack_top > 0)
 540             {
 541                 stack_top--;
 542                 menu = menu_stack[stack_top];
 543                 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
 544                     done = true;
 545                 else
 546                     init_menu_lists(menu, &lists,
 547                                     menu_stack_selected_item[stack_top], false, vps);
 548                 /* new menu, so reload the callback */
 549                 get_menu_callback(menu, &menu_callback);
 550             }
 551             else if (menu != &root_menu_)
 552             {
 553                 ret = GO_TO_PREVIOUS;
 554                 done = true;
 555             }
 556         }
 557         else if (action == ACTION_STD_OK)
 558         {
 559             int type;
 560             /* entering an item that may not be a list, so stop scrolling */
 561             gui_synclist_scroll_stop(&lists);
 562 #ifdef HAVE_BUTTONBAR
 563             if (!hide_theme)
 564             {
 565                 gui_buttonbar_unset(&buttonbar);
 566                 gui_buttonbar_draw(&buttonbar);
 567             }
 568 #endif
 569             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 570             temp = menu->submenus[selected];
 571             redraw_lists = true;
 572             if (in_stringlist)
 573                 type = (menu->flags&MENU_TYPE_MASK);
 574             else
 575             {
 576                 type = (temp->flags&MENU_TYPE_MASK);
 577                 get_menu_callback(temp, &menu_callback);
 578                 if (menu_callback)
 579                 {
 580                     action = menu_callback(ACTION_ENTER_MENUITEM,temp);
 581                     if (action == ACTION_EXIT_MENUITEM)
 582                         break;
 583                 }
 584             }
 585             switch (type)
 586             {
 587                 case MT_MENU:
 588                     if (stack_top < MAX_MENUS)
 589                     {
 590                         menu_stack[stack_top] = menu;
 591                         menu_stack_selected_item[stack_top] = selected;
 592                         stack_top++;
 593                         init_menu_lists(temp, &lists, 0, true, vps);
 594                         redraw_lists = false; /* above does the redraw */
 595                         menu = temp;
 596                     }
 597                     break;
 598                 case MT_FUNCTION_CALL:
 599                 {
 600                     int return_value;
 601                     if (temp->flags&MENU_FUNC_USEPARAM)
 602                         return_value = temp->function->function_w_param(
 603                                     temp->function->param);
 604                     else
 605                         return_value = temp->function->function();
 606                     if (!(menu->flags&MENU_EXITAFTERTHISMENU) ||
 607                             (temp->flags&MENU_EXITAFTERTHISMENU))
 608                     {
 609                         init_menu_lists(menu, &lists, selected, true, vps);
 610                     }
 611                     if (temp->flags&MENU_FUNC_CHECK_RETVAL)
 612                     {
 613                         if (return_value != 0)
 614                         {
 615                             done = true;
 616                             ret =  return_value;
 617                         }
 618                     }
 619                     break;
 620                 }
 621                 case MT_SETTING:
 622                 case MT_SETTING_W_TEXT:
 623                 {
 624                     do_setting_from_menu(temp, vps);
 625                     send_event(GUI_EVENT_ACTIONUPDATE, (void*)1); /* force a redraw */
 626                     break;
 627                 }
 628                 case MT_RETURN_ID:
 629                     if (in_stringlist)
 630                     {
 631                         done = true;
 632                         ret =  selected;
 633                     }
 634                     else if (stack_top < MAX_MENUS)
 635                     {
 636                         menu_stack[stack_top] = menu;
 637                         menu_stack_selected_item[stack_top] = selected;
 638                         stack_top++;
 639                         menu = temp;
 640                         init_menu_lists(menu,&lists,0,false, vps);
 641                         redraw_lists = false; /* above does the redraw */
 642                         in_stringlist = true;
 643                     }
 644                     break;
 645                 case MT_RETURN_VALUE:
 646                     ret = temp->value;
 647                     done = true;
 648                     break;
 649             }
 650             if (type != MT_MENU)
 651             {
 652                 if (menu_callback)
 653                     menu_callback(ACTION_EXIT_MENUITEM,temp);
 654             }
 655             if (current_submenus_menu != menu)
 656                 init_menu_lists(menu,&lists,selected,true,vps);
 657             /* callback was changed, so reload the menu's callback */
 658             get_menu_callback(menu, &menu_callback);
 659             if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
 660                 !(temp->flags&MENU_EXITAFTERTHISMENU))
 661             {
 662                 done = true;
 663                 break;
 664             }
 665 #ifdef HAVE_BUTTONBAR
 666             if (!hide_theme)
 667             {
 668                 gui_buttonbar_set(&buttonbar, "<<<", "", "");
 669                 gui_buttonbar_draw(&buttonbar);
 670             }
 671 #endif
 672         }
 673         else if(default_event_handler(action) == SYS_USB_CONNECTED)
 674         {
 675             ret = MENU_ATTACHED_USB;
 676             done = true;
 677         }
 678
 679         if (redraw_lists && !done)
 680         {
 681             if (menu_callback)
 682                 menu_callback(ACTION_REDRAW, menu);
 683             gui_synclist_draw(&lists);
 684             gui_synclist_speak_item(&lists);
 685         }
 686     }
 687     if (start_selected)
 688     {
 689         /* make sure the start_selected variable is set to
 690            the selected item from the menu do_menu() was called from */
 691         if (stack_top > 0)
 692         {
 693             menu = menu_stack[0];
 694             init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
 695         }
 696         *start_selected = get_menu_selection(
 697                             gui_synclist_get_sel_pos(&lists), menu);
 698     }
 699     FOR_NB_SCREENS(i)
 700         viewportmanager_theme_undo(i, false);
 701     return ret;
 702 }