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