Exemple #1
0
/* drawer function for the GUI_EVENT_REDRAW callback */
void tree_drawlists(void)
{
    /* band-aid to fix the bar/list redrawing properly after leaving a plugin */
    send_event(GUI_EVENT_THEME_CHANGED, NULL);
    /* end bandaid */
    gui_synclist_draw(&tree_lists);
}
Exemple #2
0
void browse_cuesheet(struct cuesheet *cue)
{
    struct gui_synclist lists;
    int action;
    bool done = false;
    int sel;
    char title[MAX_PATH];
    char cuepath[MAX_PATH];
    struct mp3entry *id3 = audio_current_track();

    snprintf(title, MAX_PATH, "%s: %s", cue->performer, cue->title);
    gui_synclist_init(&lists, list_get_name_cb, cue, false, 2, NULL);
    gui_synclist_set_nb_items(&lists, 2*cue->track_count);
    gui_synclist_set_title(&lists, title, 0);


    if (id3)
    {
        gui_synclist_select_item(&lists,
                                 2*cue_find_current_track(cue, id3->elapsed));
    }

    while (!done)
    {
        gui_synclist_draw(&lists);
        action = get_action(CONTEXT_LIST,TIMEOUT_BLOCK);
        if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
            continue;
        switch (action)
        {
            case ACTION_STD_OK:
                id3 = audio_current_track();
                if (id3 && *id3->path && strcmp(id3->path, "No file!"))
                {
                    look_for_cuesheet_file(id3->path, cuepath);
                    if (id3->cuesheet && !strcmp(cue->path, cuepath))
                    {
                        sel = gui_synclist_get_sel_pos(&lists);
                        seek(cue->tracks[sel/2].offset);
                    }
                }
                break;
            case ACTION_STD_CANCEL:
                done = true;
        }
    }
}
Exemple #3
0
/* ------------------------------------------------------------------------*/
static int select_bookmark(const char* bookmark_file_name, bool show_dont_resume, char** selected_bookmark)
{
    struct bookmark_list* bookmarks;
    struct gui_synclist list;
    int item = 0;
    int action;
    size_t size;
    bool exit = false;
    bool refresh = true;
    int ret = BOOKMARK_FAIL;

    bookmarks = plugin_get_buffer(&size);
    bookmarks->buffer_size = size;
    bookmarks->show_dont_resume = show_dont_resume;
    bookmarks->filename = bookmark_file_name;
    bookmarks->start = 0;
    bookmarks->show_playlist_name
        = strcmp(bookmark_file_name, RECENT_BOOKMARK_FILE) == 0;
    gui_synclist_init(&list, &get_bookmark_info, (void*) bookmarks, false, 2, NULL);
    if(global_settings.talk_menu)
        gui_synclist_set_voice_callback(&list, bookmark_list_voice_cb);
    gui_synclist_set_title(&list, str(LANG_BOOKMARK_SELECT_BOOKMARK), 
        Icon_Bookmark);

    while (!exit)
    {
        
        if (refresh)
        {
            int count = get_bookmark_count(bookmark_file_name);
            bookmarks->total_count = count;

            if (bookmarks->total_count < 1)
            {
                /* No more bookmarks, delete file and exit */
                splash(HZ, ID2P(LANG_BOOKMARK_LOAD_EMPTY));
                remove(bookmark_file_name);
                *selected_bookmark = NULL;
                return BOOKMARK_FAIL;
            }

            if (bookmarks->show_dont_resume)
            {
                count++;
                item++;
            }

            gui_synclist_set_nb_items(&list, count * 2);

            if (item >= count)
            {
                /* Selected item has been deleted */
                item = count - 1;
                gui_synclist_select_item(&list, item * 2);
            }

            buffer_bookmarks(bookmarks, bookmarks->start);
            gui_synclist_draw(&list);
            cond_talk_ids_fq(VOICE_EXT_BMARK);
            gui_synclist_speak_item(&list);
            refresh = false;
        }

        list_do_action(CONTEXT_BOOKMARKSCREEN, HZ / 2,
                       &list, &action, LIST_WRAP_UNLESS_HELD);
        item = gui_synclist_get_sel_pos(&list) / 2;

        if (bookmarks->show_dont_resume)
        {
            item--;
        }

        if (action == ACTION_STD_CONTEXT)
        {
            MENUITEM_STRINGLIST(menu_items, ID2P(LANG_BOOKMARK_CONTEXT_MENU),
                NULL, ID2P(LANG_BOOKMARK_CONTEXT_RESUME), 
                ID2P(LANG_BOOKMARK_CONTEXT_DELETE));
            static const int menu_actions[] = 
            {
                ACTION_STD_OK, ACTION_BMS_DELETE
            };
            int selection = do_menu(&menu_items, NULL, NULL, false);
            
            refresh = true;

            if (selection >= 0 && selection <= 
                (int) (sizeof(menu_actions) / sizeof(menu_actions[0])))
            {
                action = menu_actions[selection];
            }
        }

        switch (action)
        {
        case ACTION_STD_OK:
            if (item >= 0)
            {
                talk_shutup();
                *selected_bookmark = bookmarks->items[item - bookmarks->start];
                return BOOKMARK_SUCCESS;
            }
            exit = true;
            ret = BOOKMARK_SUCCESS;
            break;

        case ACTION_TREE_WPS:
        case ACTION_STD_CANCEL:
            exit = true;
            break;

        case ACTION_BMS_DELETE:
            if (item >= 0)
            {                
                const char *lines[]={
                    ID2P(LANG_REALLY_DELETE)
                };
                const char *yes_lines[]={
                    ID2P(LANG_DELETING)
                };

                const struct text_message message={lines, 1};
                const struct text_message yes_message={yes_lines, 1};

                if(gui_syncyesno_run(&message, &yes_message, NULL)==YESNO_YES)
                {                    
                    delete_bookmark(bookmark_file_name, item);
                    bookmarks->reload = true;
                }
                refresh = true;
            }
            break;

        default:
            if (default_event_handler(action) == SYS_USB_CONNECTED)
            {
                ret = BOOKMARK_USB_CONNECTED;
                exit = true;
            }

            break;
        }
    }

    talk_shutup();
    *selected_bookmark = NULL;
    return ret;
}
Exemple #4
0
/* main loop, handles key events */
static int dirbrowse(void)
{
    int numentries=0;
    char buf[MAX_PATH];
    int button, oldbutton;
    bool reload_root = false;
    int lastfilter = *tc.dirfilter;
    bool lastsortcase = global_settings.sort_case;
    bool exit_func = false;

    char* currdir = tc.currdir; /* just a shortcut */
#ifdef HAVE_TAGCACHE
    bool id3db = *tc.dirfilter == SHOW_ID3DB;

    if (id3db)
        curr_context=CONTEXT_ID3DB;
    else
#endif
        curr_context=CONTEXT_TREE;
    if (tc.selected_item < 0)
        tc.selected_item = 0;
#ifdef HAVE_TAGCACHE
    tc.firstpos = 0;
    lasttable = -1;
    lastextra = -1;
    lastfirstpos = 0;
#endif

    start_wps = false;
    numentries = update_dir();
    reload_dir = false;
    if (numentries == -1)
        return GO_TO_PREVIOUS;  /* currdir is not a directory */

    if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
    {
        splash(HZ*2, ID2P(LANG_NO_FILES));
        return GO_TO_PREVIOUS;  /* No files found for rockbox_browse() */
    }
    
    gui_synclist_draw(&tree_lists);
    while(1) {
        bool restore = false;
        if (tc.dirlevel < 0)
            tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */

        button = get_action(CONTEXT_TREE,
                            list_do_action_timeout(&tree_lists, HZ/2));
        oldbutton = button;
        gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD);
        tc.selected_item = gui_synclist_get_sel_pos(&tree_lists);
        switch ( button ) {
            case ACTION_STD_OK:
                /* nothing to do if no files to display */
                if ( numentries == 0 )
                    break;

                short attr = tree_get_entry_at(&tc, tc.selected_item)->attr;
                if ((tc.browse->flags & BROWSE_SELECTONLY) &&
                    !(attr & ATTR_DIRECTORY))
                {
                    tc.browse->flags |= BROWSE_SELECTED;
                    get_current_file(tc.browse->buf, tc.browse->bufsize);
                    return GO_TO_PREVIOUS;
                }

#ifdef HAVE_TAGCACHE
                switch (id3db?tagtree_enter(&tc):ft_enter(&tc))
#else
                switch (ft_enter(&tc))
#endif
                {
                    case GO_TO_FILEBROWSER: reload_dir = true; break;
                    case GO_TO_WPS:
                        return GO_TO_WPS;
#if CONFIG_TUNER
                    case GO_TO_FM:
                        return GO_TO_FM;
#endif
                    case GO_TO_ROOT: exit_func = true; break;
                    default: break;
                }
                restore = true;
                break;

            case ACTION_STD_CANCEL:
                if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
                    exit_func = true;
                    break;
                }
                if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) ||
                    ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/"))))
                {
#ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */
                    if (oldbutton == ACTION_TREE_PGLEFT)
                        break;
                    else
#endif
                        return GO_TO_ROOT;
                }
                
#ifdef HAVE_TAGCACHE
                if (id3db)
                    tagtree_exit(&tc);
                else
#endif
                    if (ft_exit(&tc) == 3)
                        exit_func = true;
                
                restore = true;
                break;

            case ACTION_TREE_STOP:
                if (list_stop_handler())
                    restore = true;
                break;

            case ACTION_STD_MENU:
                return GO_TO_ROOT;
                break;

#ifdef HAVE_RECORDING
            case ACTION_STD_REC:
                return GO_TO_RECSCREEN;
#endif

            case ACTION_TREE_WPS:
                return GO_TO_PREVIOUS_MUSIC;
                break;
#ifdef HAVE_QUICKSCREEN
            case ACTION_STD_QUICKSCREEN:
                /* don't enter f2 from plugin browser */
                if (*tc.dirfilter < NUM_FILTER_MODES)
                {
                    if (quick_screen_quick(button))
                        reload_dir = true;
                    restore = true;
                }
                break;
#endif
#ifdef BUTTON_F3
            case ACTION_F3:
                /* don't enter f3 from plugin browser */
                if (*tc.dirfilter < NUM_FILTER_MODES)
                {
                    if (quick_screen_f3(ACTION_F3))
                        reload_dir = true;
                    restore = true;
                }
                break;
#endif

#ifdef HAVE_HOTKEY
            case ACTION_TREE_HOTKEY:
                if (!global_settings.hotkey_tree)
                    break;
                /* fall through */
#endif
            case ACTION_STD_CONTEXT:
            {
                bool hotkey = button == ACTION_TREE_HOTKEY;
                int onplay_result;
                int attr = 0;

                if (tc.browse->flags & BROWSE_NO_CONTEXT_MENU)
                    break;

                if(!numentries)
                    onplay_result = onplay(NULL, 0, curr_context, hotkey);
                else {
#ifdef HAVE_TAGCACHE
                    if (id3db)
                    {
                        if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO)
                        {
                            attr = FILE_ATTR_AUDIO;
                            tagtree_get_filename(&tc, buf, sizeof(buf));
                        }
                        else
                            attr = ATTR_DIRECTORY;
                    }
                    else
#endif
                    {
                        struct entry *entry = tree_get_entry_at(&tc, tc.selected_item);
                        attr = entry->attr;

                        if (currdir[1]) /* Not in / */
                            snprintf(buf, sizeof buf, "%s/%s",
                                     currdir, entry->name);
                        else /* In / */
                            snprintf(buf, sizeof buf, "/%s", entry->name);
                    }
                    onplay_result = onplay(buf, attr, curr_context, hotkey);
                }
                switch (onplay_result)
                {
                    case ONPLAY_MAINMENU:
                        return GO_TO_ROOT;

                    case ONPLAY_OK:
                        restore = true;
                        break;

                    case ONPLAY_RELOAD_DIR:
                        reload_dir = true;
                        break;

                    case ONPLAY_START_PLAY:
                        return GO_TO_WPS;
                        break;
                }
                break;
            }

#ifdef HAVE_HOTSWAP
            case SYS_FS_CHANGED:
#ifdef HAVE_TAGCACHE
                if (!id3db)
#endif
                    reload_dir = true;
                /* The 'dir no longer valid' situation will be caught later
                 * by checking the showdir() result. */
                break;
#endif

            default:
                if (default_event_handler(button) == SYS_USB_CONNECTED)
                {
                    if(*tc.dirfilter > NUM_FILTER_MODES)
                        /* leave sub-browsers after usb, doing otherwise
                           might be confusing to the user */
                        exit_func = true;
                    else
                        reload_dir = true;
                }
                break;
        }
        if (start_wps)
            return GO_TO_WPS;
        if (button && !IS_SYSEVENT(button))
        {
            storage_spin();
        }


    check_rescan:
        /* do we need to rescan dir? */
        if (reload_dir || reload_root ||
            lastfilter != *tc.dirfilter ||
            lastsortcase != global_settings.sort_case)
        {
            if (reload_root) {
                strcpy(currdir, "/");
                tc.dirlevel = 0;
#ifdef HAVE_TAGCACHE
                tc.currtable = 0;
                tc.currextra = 0;
                lasttable = -1;
                lastextra = -1;
#endif
                reload_root = false;
            }

            if (!reload_dir)
            {
                gui_synclist_select_item(&tree_lists, 0);
                gui_synclist_draw(&tree_lists);
                tc.selected_item = 0;
                lastdir[0] = 0;
            }

            lastfilter = *tc.dirfilter;
            lastsortcase = global_settings.sort_case;
            restore = true;
        }

        if (exit_func)
            return GO_TO_PREVIOUS;

        if (restore || reload_dir) {
            /* restore display */
            numentries = update_dir();
            reload_dir = false;
            if (currdir[1] && (numentries < 0))
            {   /* not in root and reload failed */
                reload_root = true; /* try root */
                goto check_rescan;
            }
        }
    }
    return true;
}
Exemple #5
0
/*
 * Called when a new dir is loaded (for example when returning from other apps ...)
 * also completely redraws the tree
 */
static int update_dir(void)
{
    bool changed = false;
#ifdef HAVE_TAGCACHE
    bool id3db = *tc.dirfilter == SHOW_ID3DB;
    /* Checks for changes */
    if (id3db) {
        if (tc.currtable != lasttable ||
            tc.currextra != lastextra ||
            tc.firstpos  != lastfirstpos ||
            reload_dir)
        {
            if (tagtree_load(&tc) < 0)
                return -1;

            lasttable = tc.currtable;
            lastextra = tc.currextra;
            lastfirstpos = tc.firstpos;
            changed = true;
        }
    }
    else 
#endif
    {
        /* if the tc.currdir has been changed, reload it ...*/
        if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir)
        {
            if (ft_load(&tc, NULL) < 0)
                return -1;
            strcpy(lastdir, tc.currdir);
            changed = true;
        }
    }
    /* if selected item is undefined */
    if (tc.selected_item == -1)
    {
        /* use lastfile to determine the selected item */
        tc.selected_item = tree_get_file_position(lastfile);

        /* If the file doesn't exists, select the first one (default) */
        if(tc.selected_item < 0)
            tc.selected_item = 0;
        changed = true;
    }
    if (changed)
    {
        if(
#ifdef HAVE_TAGCACHE
        !id3db && 
#endif
        tc.dirfull )
        {
            splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL));
        }
    }
#ifdef HAVE_TAGCACHE
    if (id3db) 
    {
#ifdef HAVE_LCD_BITMAP
        if (global_settings.show_path_in_browser == SHOW_PATH_FULL
            || global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
        {
            gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc),
                filetype_get_icon(ATTR_DIRECTORY));
        }
        else
        {
            /* Must clear the title as the list is reused */
            gui_synclist_set_title(&tree_lists, NULL, NOICON);
        } 
#endif
    }
    else
#endif
    {
#ifdef HAVE_LCD_BITMAP
        if (tc.browse && tc.browse->title)
        {
            int icon = tc.browse->icon;
            if (icon == NOICON)
                icon = filetype_get_icon(ATTR_DIRECTORY);
            gui_synclist_set_title(&tree_lists, tc.browse->title, icon);
        }
        else if (global_settings.show_path_in_browser == SHOW_PATH_FULL)
        {
            gui_synclist_set_title(&tree_lists, tc.currdir,
                filetype_get_icon(ATTR_DIRECTORY));
        }
        else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT)
        {
            char *title = strrchr(tc.currdir, '/') + 1;
            if (*title == '\0')
            {
                /* Display "Files" for the root dir */
                gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER),
                    filetype_get_icon(ATTR_DIRECTORY));
            }
            else
                gui_synclist_set_title(&tree_lists, title,
                    filetype_get_icon(ATTR_DIRECTORY));
        }
        else
        {
            /* Must clear the title as the list is reused */
            gui_synclist_set_title(&tree_lists, NULL, NOICON);
        } 
#endif
    }
    
    gui_synclist_set_nb_items(&tree_lists, tc.filesindir);
    gui_synclist_set_icon_callback(&tree_lists,
                                   global_settings.show_icons?tree_get_fileicon:NULL);
    if( tc.selected_item >= tc.filesindir)
        tc.selected_item=tc.filesindir-1;

    gui_synclist_select_item(&tree_lists, tc.selected_item);
#ifdef HAVE_BUTTONBAR
    if (global_settings.buttonbar) {
        if (*tc.dirfilter < NUM_FILTER_MODES)
            gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1),
                          str(LANG_SYSFONT_DIRBROWSE_F2),
                          str(LANG_SYSFONT_DIRBROWSE_F3));
        else
            gui_buttonbar_set(&tree_buttonbar, "<<<", "", "");
        gui_buttonbar_draw(&tree_buttonbar);
    }
#endif
    gui_synclist_draw(&tree_lists);
    gui_synclist_speak_item(&tree_lists);
    return tc.filesindir;
}
Exemple #6
0
bool option_screen(const struct settings_list *setting,
                   struct viewport parent[NB_SCREENS],
                   bool use_temp_var, unsigned char* option_title)
{
    int action;
    bool done = false;
    struct gui_synclist lists;
    int oldvalue, nb_items = 0, selected = 0, temp_var;
    int *variable;
    bool allow_wrap = setting->flags & F_NO_WRAP ? false : true;
    int var_type = setting->flags&F_T_MASK;
    void (*function)(int) = NULL;
    char *title;
    if (var_type == F_T_INT || var_type == F_T_UINT)
    {
        variable = use_temp_var ? &temp_var: (int*)setting->setting;
        temp_var = oldvalue = *(int*)setting->setting;
    }
    else if (var_type == F_T_BOOL)
    {
        /* bools always use the temp variable...
        if use_temp_var is false it will be copied to setting->setting every change */
        variable = &temp_var;
        temp_var = oldvalue = *(bool*)setting->setting?1:0;
    }
    else return false; /* only int/bools can go here */
    gui_synclist_init(&lists, value_setting_get_name_cb,
                      (void*)setting, false, 1, parent);
    if (setting->lang_id == -1)
        title = (char*)setting->cfg_vals;
    else
        title = P2STR(option_title);
    
    gui_synclist_set_title(&lists, title, Icon_Questionmark);
    gui_synclist_set_icon_callback(&lists, NULL);
    if(global_settings.talk_menu)
        gui_synclist_set_voice_callback(&lists, option_talk);
    
    val_to_selection(setting, oldvalue, &nb_items, &selected, &function);
    gui_synclist_set_nb_items(&lists, nb_items);
    gui_synclist_select_item(&lists, selected);
    
    gui_synclist_limit_scroll(&lists, true);
    gui_synclist_draw(&lists);
    /* talk the item */
    gui_synclist_speak_item(&lists);
    while (!done)
    {
        if (list_do_action(CONTEXT_LIST, HZ, /* HZ so the status bar redraws */
                           &lists, &action,
            allow_wrap? LIST_WRAP_UNLESS_HELD: LIST_WRAP_OFF))
        {
            /* setting changed */
            selected = gui_synclist_get_sel_pos(&lists);
            *variable = selection_to_val(setting, selected);
            if (var_type == F_T_BOOL && !use_temp_var)
                *(bool*)setting->setting = (*variable==1);
        }
        else if (action == ACTION_NONE)
            continue;
        else if (action == ACTION_STD_CANCEL)
        {
            /* setting canceled, restore old value if changed */
            if (*variable != oldvalue)
            {
                *variable = oldvalue;
                if (var_type == F_T_BOOL && !use_temp_var)
                    *(bool*)setting->setting = (oldvalue==1);
                splash(HZ/2, ID2P(LANG_CANCEL));
            }
            done = true;
        }
        else if (action == ACTION_STD_CONTEXT)
        {
            /* reset setting to default */
            reset_setting(setting, variable);
            if (var_type == F_T_BOOL && !use_temp_var)
                *(bool*)setting->setting = (*variable==1);
            val_to_selection(setting, *variable, &nb_items,
                                &selected, &function);
            gui_synclist_select_item(&lists, selected);
            gui_synclist_draw(&lists);
            gui_synclist_speak_item(&lists);
        }
        else if (action == ACTION_STD_OK)
        {
            /* setting accepted, store now if it used a temp var */
            if (use_temp_var)
            {
                if (var_type == F_T_INT || var_type == F_T_UINT)
                    *(int*)setting->setting = *variable;
                else 
                    *(bool*)setting->setting = (*variable==1);
            }
            settings_save();
            done = true;
        }
        else if(default_event_handler(action) == SYS_USB_CONNECTED)
            return true;
        /* callback */
        if ( function )
            function(*variable);
        /* if the volume is changing we need to let the skins know */
        if (function == sound_get_fn(SOUND_VOLUME))
            global_status.last_volume_change = current_tick;
    }
    return false;
}
bool search_playlist(void)
{
    char search_str[32] = "";
    bool ret = false, exit = false;
    int i, playlist_count;
    int found_indicies[MAX_PLAYLIST_ENTRIES];
    int found_indicies_count = 0, last_found_count = -1;
    int button;
    struct gui_synclist playlist_lists;
    struct playlist_track_info track;

    if (!playlist_viewer_init(&viewer, 0, false))
        return ret;
    if (kbd_input(search_str, sizeof(search_str)) < 0)
        return ret;
    lcd_clear_display();
    playlist_count = playlist_amount_ex(viewer.playlist);

    cpu_boost(true);

    for (i = 0; i < playlist_count &&
        found_indicies_count < MAX_PLAYLIST_ENTRIES; i++)
    {
        if (found_indicies_count != last_found_count)
        {
            splashf(0, str(LANG_PLAYLIST_SEARCH_MSG), found_indicies_count,
                       str(LANG_OFF_ABORT));
            last_found_count = found_indicies_count;
        }

        if (action_userabort(TIMEOUT_NOBLOCK))
            break;

        playlist_get_track_info(viewer.playlist, i, &track);

        if (strcasestr(track.filename,search_str))
            found_indicies[found_indicies_count++] = track.index;

        yield();
    }

    cpu_boost(false);

    if (!found_indicies_count)
    {
        return ret;
    }
    backlight_on();

    gui_synclist_init(&playlist_lists, playlist_search_callback_name,
                      found_indicies, false, 1, NULL);
    gui_synclist_set_title(&playlist_lists, str(LANG_SEARCH_RESULTS), NOICON);
    gui_synclist_set_icon_callback(&playlist_lists, NULL);
    gui_synclist_set_nb_items(&playlist_lists, found_indicies_count);
    gui_synclist_select_item(&playlist_lists, 0);
    gui_synclist_draw(&playlist_lists);
    while (!exit)
    {
        if (list_do_action(CONTEXT_LIST, HZ/4,
                           &playlist_lists, &button, LIST_WRAP_UNLESS_HELD))
            continue;
        switch (button)
        {
            case ACTION_STD_CANCEL:
                exit = true;
                break;

            case ACTION_STD_OK:
            {
                int sel = gui_synclist_get_sel_pos(&playlist_lists);
                playlist_start(found_indicies[sel], 0);
                exit = 1;
            }
                break;

            default:
                if (default_event_handler(button) == SYS_USB_CONNECTED)
                {
                    ret = true;
                    exit = true;
                }
                break;
        }
    }
    return ret;
}
/* Main viewer function.  Filename identifies playlist to be viewed.  If NULL,
   view current playlist. */
enum playlist_viewer_result playlist_viewer_ex(const char* filename)
{
    enum playlist_viewer_result ret = PLAYLIST_VIEWER_OK;
    bool exit = false;        /* exit viewer */
    int button;
    bool dirty = false;
    struct gui_synclist playlist_lists;
    if (!playlist_viewer_init(&viewer, filename, false))
        goto exit;

    push_current_activity(ACTIVITY_PLAYLISTVIEWER);
    gui_synclist_init(&playlist_lists, playlist_callback_name,
                      &viewer, false, 1, NULL);
    gui_synclist_set_voice_callback(&playlist_lists, playlist_callback_voice);
    gui_synclist_set_icon_callback(&playlist_lists,
                  global_settings.playlist_viewer_icons?
                  &playlist_callback_icons:NULL);
    gui_synclist_set_nb_items(&playlist_lists, viewer.num_tracks);
    gui_synclist_set_title(&playlist_lists, str(LANG_PLAYLIST), Icon_Playlist);
    gui_synclist_select_item(&playlist_lists, viewer.selected_track);
    gui_synclist_draw(&playlist_lists);
    gui_synclist_speak_item(&playlist_lists);
    while (!exit)
    {
        int track;

        if (global_status.resume_index != -1 && !viewer.playlist)
            playlist_get_resume_info(&track);
        else
            track = -1;

        if (track != viewer.current_playing_track ||
            playlist_amount_ex(viewer.playlist) != viewer.num_tracks)
        {
            /* Playlist has changed (new track started?) */
            if (!update_playlist(false))
                goto exit;
            /*Needed because update_playlist gives wrong value when
                                                            playing is stopped*/
            viewer.current_playing_track = track;
            gui_synclist_set_nb_items(&playlist_lists, viewer.num_tracks);

            gui_synclist_draw(&playlist_lists);
        }

        /* Timeout so we can determine if play status has changed */
        bool res = list_do_action(CONTEXT_TREE, HZ/2,
                            &playlist_lists, &button, LIST_WRAP_UNLESS_HELD);
        /* during moving, another redraw is going to be needed,
         * since viewer.selected_track is updated too late (after the first draw)
         * drawing the moving item needs it */
        viewer.selected_track=gui_synclist_get_sel_pos(&playlist_lists);
        if (res)
        {
            bool reload = playlist_buffer_needs_reload(&viewer.buffer,
                    viewer.selected_track);
            if (reload)
                playlist_buffer_load_entries_screen(&viewer.buffer,
                    button == ACTION_STD_NEXT ? FORWARD : BACKWARD);
            if (reload || viewer.moving_track >= 0)
                gui_synclist_draw(&playlist_lists);
        }
        switch (button)
        {
            case ACTION_TREE_WPS:
            case ACTION_STD_CANCEL:
            {
                if (viewer.moving_track >= 0)
                {
                    viewer.selected_track = viewer.moving_track;
                    gui_synclist_select_item(&playlist_lists, viewer.moving_track);
                    viewer.moving_track = -1;
                    viewer.moving_playlist_index = -1;
                    gui_synclist_draw(&playlist_lists);
                }
                else
                {
                    exit = true;
                    ret = PLAYLIST_VIEWER_CANCEL;
                }
                break;
            }
            case ACTION_STD_OK:
            {
                struct playlist_entry * current_track =
                            playlist_buffer_get_track(&viewer.buffer,
                                                      viewer.selected_track);

                if (viewer.moving_track >= 0)
                {
                    /* Move track */
                    int ret_val;

                    ret_val = playlist_move(viewer.playlist,
                                            viewer.moving_playlist_index,
                                            current_track->index);
                    if (ret_val < 0)
                         splashf(HZ, (unsigned char *)"%s %s", str(LANG_MOVE),
                                                               str(LANG_FAILED));
                    update_playlist(true);
                    viewer.moving_track = -1;
                    viewer.moving_playlist_index = -1;
                    dirty = true;
                }
                else if (!viewer.playlist)
                {
                    /* play new track */
                    if (!global_settings.party_mode)
                    {
                        playlist_start(current_track->index, 0);
                        update_playlist(false);
                    }
                }
                else if (!global_settings.party_mode)
                {
                    int start_index = current_track->index;
                    if (!warn_on_pl_erase())
                    {
                        gui_synclist_draw(&playlist_lists);
                        break;
                    }
                    /* New playlist */
                    if (playlist_set_current(viewer.playlist) < 0)
                        goto exit;
                    if (global_settings.playlist_shuffle)
                        start_index = playlist_shuffle(current_tick, start_index);
                    playlist_start(start_index, 0);

                    /* Our playlist is now the current list */
                    if (!playlist_viewer_init(&viewer, NULL, true))
                        goto exit;
                    exit = true;
                }
                gui_synclist_draw(&playlist_lists);

                break;
            }
            case ACTION_STD_CONTEXT:
            {
                /* ON+PLAY menu */
                int ret_val;

                ret_val = onplay_menu(viewer.selected_track);

                if (ret_val < 0)
                {
                    ret = PLAYLIST_VIEWER_USB;
                    goto exit;
                }
                else if (ret_val > 0)
                {
                    /* Playlist changed */
                    gui_synclist_del_item(&playlist_lists);
                    update_playlist(true);
                    if (viewer.num_tracks <= 0)
                        exit = true;
                    if (viewer.selected_track >= viewer.num_tracks)
                        viewer.selected_track = viewer.num_tracks-1;
                    dirty = true;
                }
                gui_synclist_draw(&playlist_lists);
                break;
            }
            case ACTION_STD_MENU:
                ret = PLAYLIST_VIEWER_MAINMENU;
                goto exit;
            default:
                if(default_event_handler(button) == SYS_USB_CONNECTED)
                {
                    ret = PLAYLIST_VIEWER_USB;
                    goto exit;
                }
                break;
        }
    }

exit:
    pop_current_activity();
    if (viewer.playlist)
    {
        if(dirty && yesno_pop(ID2P(LANG_SAVE_CHANGES)))
            save_playlist_screen(viewer.playlist);
        playlist_close(viewer.playlist);
    }
    return ret;
}