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 /* this is used to reload the default menu viewports when the
 287    theme changes. nothing happens if the menu is using a supplied parent vp */
 288 static void init_default_menu_viewports(struct viewport parent[NB_SCREENS], bool hide_bars)
 289 {
 290     int i;
 291     FOR_NB_SCREENS(i)
 292     {
 293         viewport_set_defaults(&parent[i], i);
 294         /* viewport_set_defaults() fixes the vp for the bars, so resize */
 295         if (hide_bars)
 296         {
 297             if (global_settings.statusbar)
 298             {
 299                 parent[i].y -= STATUSBAR_HEIGHT;
 300                 parent[i].height += STATUSBAR_HEIGHT;
 301             }
 302         }
 303     }
 304 #ifdef HAVE_BUTTONBAR
 305     if (!hide_bars && global_settings.buttonbar)
 306         parent[0].height -= BUTTONBAR_HEIGHT;
 307 #endif
 308 }
 309
 310 bool do_setting_from_menu(const struct menu_item_ex *temp,
 311                           struct viewport parent[NB_SCREENS])
 312 {
 313     int setting_id, oldval;
 314     const struct settings_list *setting = find_setting(
 315                                                temp->variable,
 316                                                &setting_id);
 317     char *title;
 318     char padded_title[MAX_PATH];
 319     int var_type = setting->flags&F_T_MASK;
 320     if (var_type == F_T_INT || var_type == F_T_UINT)
 321     {
 322         oldval = *(int*)setting->setting;
 323     }
 324     else if (var_type == F_T_BOOL)
 325     {
 326         oldval = *(bool*)setting->setting;
 327     }
 328     else
 329         oldval = 0;
 330     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
 331         title = temp->callback_and_desc->desc;
 332     else
 333         title = ID2P(setting->lang_id);
 334
 335     /* Pad the title string by repeating it. This is needed
 336        so the scroll settings title can actually be used to
 337        test the setting */
 338     if (setting->flags&F_PADTITLE)
 339     {
 340         int i = 0, len;
 341         if (setting->lang_id == -1)
 342             title = (char*)setting->cfg_vals;
 343         else
 344             title = P2STR((unsigned char*)title);
 345         len = strlen(title);
 346         while (i < MAX_PATH-1)
 347         {
 348             int padlen = MIN(len, MAX_PATH-1-i);
 349             strncpy(&padded_title[i], title, padlen);
 350             i += padlen;
 351             if (i<MAX_PATH-1)
 352                 padded_title[i++] = ' ';
 353         }
 354         padded_title[i] = '\0';
 355         title = padded_title;
 356     }
 357
 358     option_screen((struct settings_list *)setting, parent,
 359                   setting->flags&F_TEMPVAR, title);
 360     if (var_type == F_T_INT || var_type == F_T_UINT)
 361     {
 362         return oldval != *(int*)setting->setting;
 363     }
 364     else if (var_type == F_T_BOOL)
 365     {
 366         return oldval != *(bool*)setting->setting;
 367     }
 368     return false;
 369 }
 370
 371 /* display a menu */
 372 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
 373             struct viewport parent[NB_SCREENS], bool hide_bars)
 374 {
 375     int selected = start_selected? *start_selected : 0;
 376     int action;
 377     struct gui_synclist lists;
 378     const struct menu_item_ex *temp, *menu;
 379     int ret = 0, i;
 380     bool redraw_lists;
 381
 382     const struct menu_item_ex *menu_stack[MAX_MENUS];
 383     int menu_stack_selected_item[MAX_MENUS];
 384     int stack_top = 0;
 385     bool in_stringlist, done = false;
 386
 387     struct viewport *vps, menu_vp[NB_SCREENS]; /* menu_vp will hopefully be phased out */
 388 #ifdef HAVE_BUTTONBAR
 389     struct gui_buttonbar buttonbar;
 390     gui_buttonbar_init(&buttonbar);
 391     gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
 392     gui_buttonbar_set(&buttonbar, "<<<", "", "");
 393 #endif
 394
 395     menu_callback_type menu_callback = NULL;
 396     if (start_menu == NULL)
 397         menu = &main_menu_;
 398     else menu = start_menu;
 399
 400     init_default_menu_viewports(menu_vp, hide_bars);
 401
 402     if (parent)
 403     {
 404         vps = parent;
 405         /* if hide_bars == true we assume the viewport is correctly sized */
 406     }
 407     else
 408     {
 409         vps = menu_vp;
 410     }
 411     FOR_NB_SCREENS(i)
 412     {
 413         screens[i].set_viewport(&vps[i]);
 414         screens[i].clear_viewport();
 415         screens[i].set_viewport(NULL);
 416     }
 417     init_menu_lists(menu, &lists, selected, true, vps);
 418     in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
 419
 420     /* load the callback, and only reload it if menu changes */
 421     get_menu_callback(menu, &menu_callback);
 422
 423
 424 #ifdef HAVE_BUTTONBAR
 425     if (!hide_bars)
 426     {
 427         gui_buttonbar_set(&buttonbar, "<<<", "", "");
 428         gui_buttonbar_draw(&buttonbar);
 429     }
 430 #endif
 431     while (!done)
 432     {
 433         redraw_lists = false;
 434         if (!hide_bars)
 435         {
 436             gui_syncstatusbar_draw(&statusbars, true);
 437         }
 438         action = get_action(CONTEXT_MAINMENU,
 439                             list_do_action_timeout(&lists, HZ));
 440         /* HZ so the status bar redraws corectly */
 441
 442         if (menu_callback)
 443         {
 444             int old_action = action;
 445             action = menu_callback(action, menu);
 446             if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
 447             {
 448                 action = old_action;
 449                 ret = MENU_SELECTED_EXIT; /* will exit after returning
 450                                              from selection */
 451             }
 452             else if (action == ACTION_REDRAW)
 453             {
 454                 action = old_action;
 455                 redraw_lists = true;
 456             }
 457         }
 458
 459         if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
 460             continue;
 461         if (action == ACTION_NONE)
 462             continue;
 463 #ifdef HAVE_QUICKSCREEN
 464         else if (action == ACTION_STD_QUICKSCREEN)
 465         {
 466             quick_screen_quick(action);
 467             redraw_lists = true;
 468         }
 469 #endif
 470 #ifdef HAVE_RECORDING
 471         else if (action == ACTION_STD_REC)
 472         {
 473             ret = GO_TO_RECSCREEN;
 474             done = true;
 475         }
 476 #endif
 477         else if (action == ACTION_TREE_WPS)
 478         {
 479             ret = GO_TO_PREVIOUS_MUSIC;
 480             done = true;
 481         }
 482         else if (action == ACTION_TREE_STOP)
 483         {
 484             redraw_lists = list_stop_handler();
 485         }
 486         else if (action == ACTION_STD_CONTEXT)
 487         {
 488             if (menu == &root_menu_)
 489             {
 490                 ret = GO_TO_ROOTITEM_CONTEXT;
 491                 done = true;
 492             }
 493             else if (!in_stringlist)
 494             {
 495                 int type;
 496                 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 497                 temp = menu->submenus[selected];
 498                 type = (temp->flags&MENU_TYPE_MASK);
 499                 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
 500                 {
 501 #ifdef HAVE_QUICKSCREEN
 502                     MENUITEM_STRINGLIST(quickscreen_able_option,
 503                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 504                                         ID2P(LANG_RESET_SETTING),
 505                                         ID2P(LANG_LEFT_QS_ITEM),
 506                                         ID2P(LANG_BOTTOM_QS_ITEM),
 507                                         ID2P(LANG_RIGHT_QS_ITEM));
 508 #endif
 509                     MENUITEM_STRINGLIST(notquickscreen_able_option,
 510                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 511                                         ID2P(LANG_RESET_SETTING));
 512                     const struct menu_item_ex *menu;
 513                     int menu_selection = 0;
 514                     const struct settings_list *setting =
 515                             find_setting(temp->variable, NULL);
 516 #ifdef HAVE_QUICKSCREEN
 517                     if (is_setting_quickscreenable(setting))
 518                         menu = &quickscreen_able_option;
 519                     else
 520 #endif
 521                         menu = &notquickscreen_able_option;
 522                     switch (do_menu(menu, &menu_selection, NULL, false))
 523                     {
 524                         case GO_TO_PREVIOUS:
 525                             break;
 526                             case 0: /* reset setting */
 527                                 reset_setting(setting, setting->setting);
 528                                 break;
 529 #ifdef HAVE_QUICKSCREEN
 530                             break;
 531                         case 1: /* set as left QS item */
 532                             set_as_qs_item(setting, QUICKSCREEN_LEFT);
 533                             break;
 534                         case 2: /* set as bottom QS item */
 535                             set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
 536                             break;
 537                         case 3: /* set as right QS item */
 538                             set_as_qs_item(setting, QUICKSCREEN_RIGHT);
 539                             break;
 540 #endif
 541                     } /* swicth(do_menu()) */
 542                     redraw_lists = true;
 543                 }
 544             } /* else if (!in_stringlist) */
 545         }
 546         else if (action == ACTION_STD_MENU)
 547         {
 548             if (menu != &root_menu_)
 549                 ret = GO_TO_ROOT;
 550             else
 551                 ret = GO_TO_PREVIOUS;
 552             done = true;
 553         }
 554         else if (action == ACTION_STD_CANCEL)
 555         {
 556             bool exiting_menu = false;
 557             in_stringlist = false;
 558             /* might be leaving list, so stop scrolling */
 559             FOR_NB_SCREENS(i)
 560             {
 561                 screens[i].stop_scroll();
 562             }
 563             if (menu_callback)
 564                 menu_callback(ACTION_EXIT_MENUITEM, menu);
 565
 566             if (menu->flags&MENU_EXITAFTERTHISMENU)
 567                 done = true;
 568             else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 569                 exiting_menu = true;
 570             if (stack_top > 0)
 571             {
 572                 stack_top--;
 573                 menu = menu_stack[stack_top];
 574                 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
 575                     done = true;
 576                 else
 577                     init_menu_lists(menu, &lists,
 578                                     menu_stack_selected_item[stack_top], false, vps);
 579                 /* new menu, so reload the callback */
 580                 get_menu_callback(menu, &menu_callback);
 581             }
 582             else if (menu != &root_menu_)
 583             {
 584                 ret = GO_TO_PREVIOUS;
 585                 done = true;
 586             }
 587         }
 588         else if (action == ACTION_STD_OK)
 589         {
 590             int type;
 591             /* entering an item that may not be a list, so stop scrolling */
 592             FOR_NB_SCREENS(i)
 593             {
 594                 screens[i].stop_scroll();
 595             }
 596 #ifdef HAVE_BUTTONBAR
 597             if (!hide_bars)
 598             {
 599                 gui_buttonbar_unset(&buttonbar);
 600                 gui_buttonbar_draw(&buttonbar);
 601             }
 602 #endif
 603             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 604             temp = menu->submenus[selected];
 605             redraw_lists = true;
 606             if (in_stringlist)
 607                 type = (menu->flags&MENU_TYPE_MASK);
 608             else
 609             {
 610                 type = (temp->flags&MENU_TYPE_MASK);
 611                 get_menu_callback(temp, &menu_callback);
 612                 if (menu_callback)
 613                 {
 614                     action = menu_callback(ACTION_ENTER_MENUITEM,temp);
 615                     if (action == ACTION_EXIT_MENUITEM)
 616                         break;
 617                 }
 618             }
 619             switch (type)
 620             {
 621                 case MT_MENU:
 622                     if (stack_top < MAX_MENUS)
 623                     {
 624                         menu_stack[stack_top] = menu;
 625                         menu_stack_selected_item[stack_top] = selected;
 626                         stack_top++;
 627                         init_menu_lists(temp, &lists, 0, true, vps);
 628                         redraw_lists = false; /* above does the redraw */
 629                         menu = temp;
 630                     }
 631                     break;
 632                 case MT_FUNCTION_CALL:
 633                 {
 634                     int return_value;
 635                     if (temp->flags&MENU_FUNC_USEPARAM)
 636                         return_value = temp->function->function_w_param(
 637                                     temp->function->param);
 638                     else
 639                         return_value = temp->function->function();
 640                     if (!(menu->flags&MENU_EXITAFTERTHISMENU) || (temp->flags&MENU_EXITAFTERTHISMENU))
 641                     {
 642                         init_menu_lists(menu, &lists, selected, true, vps);
 643                     }
 644                     if (temp->flags&MENU_FUNC_CHECK_RETVAL)
 645                     {
 646                         if (return_value != 0)
 647                         {
 648                             done = true;
 649                             ret =  return_value;
 650                         }
 651                     }
 652                     break;
 653                 }
 654                 case MT_SETTING:
 655                 case MT_SETTING_W_TEXT:
 656                 {
 657                     if (do_setting_from_menu(temp, menu_vp))
 658                     {
 659                         init_menu_lists(menu, &lists, selected, true,vps);
 660                         redraw_lists = false; /* above does the redraw */
 661                     }
 662                     break;
 663                 }
 664                 case MT_RETURN_ID:
 665                     if (in_stringlist)
 666                     {
 667                         done = true;
 668                         ret =  selected;
 669                     }
 670                     else if (stack_top < MAX_MENUS)
 671                     {
 672                         menu_stack[stack_top] = menu;
 673                         menu_stack_selected_item[stack_top] = selected;
 674                         stack_top++;
 675                         menu = temp;
 676                         init_menu_lists(menu,&lists,0,false, vps);
 677                         redraw_lists = false; /* above does the redraw */
 678                         in_stringlist = true;
 679                     }
 680                     break;
 681                 case MT_RETURN_VALUE:
 682                     ret = temp->value;
 683                     done = true;
 684                     break;
 685             }
 686             if (type != MT_MENU)
 687             {
 688                 if (menu_callback)
 689                     menu_callback(ACTION_EXIT_MENUITEM,temp);
 690             }
 691             if (current_submenus_menu != menu)
 692                 init_menu_lists(menu,&lists,selected,true,vps);
 693             /* callback was changed, so reload the menu's callback */
 694             get_menu_callback(menu, &menu_callback);
 695             if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
 696                 !(temp->flags&MENU_EXITAFTERTHISMENU))
 697             {
 698                 done = true;
 699                 break;
 700             }
 701 #ifdef HAVE_BUTTONBAR
 702             if (!hide_bars)
 703             {
 704                 gui_buttonbar_set(&buttonbar, "<<<", "", "");
 705                 gui_buttonbar_draw(&buttonbar);
 706             }
 707 #endif
 708         }
 709         else if(default_event_handler(action) == SYS_USB_CONNECTED)
 710         {
 711             ret = MENU_ATTACHED_USB;
 712             done = true;
 713         }
 714
 715         if (redraw_lists && !done)
 716         {
 717             if (menu_callback)
 718                 menu_callback(ACTION_REDRAW, menu);
 719             gui_synclist_draw(&lists);
 720             gui_synclist_speak_item(&lists);
 721         }
 722     }
 723     if (start_selected)
 724     {
 725         /* make sure the start_selected variable is set to
 726            the selected item from the menu do_menu() was called from */
 727         if (stack_top > 0)
 728         {
 729             menu = menu_stack[0];
 730             init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
 731         }
 732         *start_selected = get_menu_selection(
 733                             gui_synclist_get_sel_pos(&lists), menu);
 734     }
 735     return ret;
 736 }
 737