Allow first level folders in plugin menu

add sorting directories as files
move picross files to a hidden folder

use directory for lua_scripts, sgt_puzzles

make plugin browser able to handle 1st level directories

Change-Id: I30852d71dc992c378d5790756e94f06f5a2e9bef

14 files changed, 1079 insertions, 58 deletions

diff --git a/apps/filetree.c b/apps/filetree.c
index b5f5dece5a..594a0bd6f1 100644
--- a/apps/filetree.c
+++ b/apps/filetree.c
@@ -224,7 +224,11 @@ static int compare(const void* p1, const void* p2)
     struct entry* e2 = (struct entry*)p2;
     int criteria;
 
-    if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
+    if (cmp_data.sort_dir == SORT_AS_FILE)
+    {   /* treat as two files */
+        criteria = global_settings.sort_file;
+    }
+    else if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
     {   /* two directories */
         criteria = cmp_data.sort_dir;
 
@@ -326,18 +330,17 @@ int ft_load(struct tree_context* c, const char* tempdir)
         info = dir_get_info(dir, entry);
         len = strlen((char *)entry->d_name);
 
-        /* skip directories . and .. */
-        if ((info.attribute & ATTR_DIRECTORY) &&
-            (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
-             ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
-            continue;
-        }
-
         /* Skip FAT volume ID */
         if (info.attribute & ATTR_VOLUME_ID) {
             continue;
         }
 
+        dptr->attr = info.attribute;
+        int dir_attr = (dptr->attr & ATTR_DIRECTORY);
+        /* skip directories . and .. */
+        if (dir_attr && is_dotdir_name(entry->d_name))
+            continue;
+
         /* filter out dotfiles and hidden files */
         if (*c->dirfilter != SHOW_ALL &&
             ((entry->d_name[0]=='.') ||
@@ -345,48 +348,45 @@ int ft_load(struct tree_context* c, const char* tempdir)
             continue;
         }
 
-        dptr->attr = info.attribute;
-        int dir_attr = (dptr->attr & ATTR_DIRECTORY);
-
         /* check for known file types */
         if ( !(dir_attr) )
             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 
         int file_attr = (dptr->attr & FILE_ATTR_MASK);
 
+#define CHK_FT(show,attr) (*c->dirfilter == (show) && file_attr != (attr))
         /* filter out non-visible files */
-        if ((!(dir_attr) && ((*c->dirfilter == SHOW_PLAYLIST &&
-             file_attr != FILE_ATTR_M3U) ||
-            ((*c->dirfilter == SHOW_MUSIC && file_attr != FILE_ATTR_AUDIO) &&
-             file_attr != FILE_ATTR_M3U) ||
+        if ((!(dir_attr) && (CHK_FT(SHOW_PLAYLIST, FILE_ATTR_M3U) ||
+            (CHK_FT(SHOW_MUSIC, FILE_ATTR_AUDIO) && file_attr != FILE_ATTR_M3U) ||
             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
-            (*c->dirfilter == SHOW_WPS && file_attr != FILE_ATTR_WPS) ||
-            (*c->dirfilter == SHOW_FONT && file_attr != FILE_ATTR_FONT) ||
-            (*c->dirfilter == SHOW_SBS  && file_attr != FILE_ATTR_SBS) ||
+            CHK_FT(SHOW_WPS,  FILE_ATTR_WPS)  ||
+            CHK_FT(SHOW_FONT, FILE_ATTR_FONT) ||
+            CHK_FT(SHOW_SBS,  FILE_ATTR_SBS)  ||
 #if CONFIG_TUNER
-            (*c->dirfilter == SHOW_FMS  && file_attr != FILE_ATTR_FMS) ||
+            CHK_FT(SHOW_FMS, FILE_ATTR_FMS) ||
+            CHK_FT(SHOW_FMR, FILE_ATTR_FMR) ||
 #endif
 #ifdef HAVE_REMOTE_LCD
-            (*c->dirfilter == SHOW_RWPS && file_attr != FILE_ATTR_RWPS) ||
-            (*c->dirfilter == SHOW_RSBS && file_attr != FILE_ATTR_RSBS) ||
+            CHK_FT(SHOW_RWPS, FILE_ATTR_RWPS) ||
+            CHK_FT(SHOW_RSBS, FILE_ATTR_RSBS) ||
 #if CONFIG_TUNER
-            (*c->dirfilter == SHOW_RFMS  && file_attr != FILE_ATTR_RFMS) ||
-#endif
+            CHK_FT(SHOW_RFMS, FILE_ATTR_RFMS) ||
 #endif
-#if CONFIG_TUNER
-            (*c->dirfilter == SHOW_FMR && file_attr != FILE_ATTR_FMR) ||
 #endif
-            (*c->dirfilter == SHOW_M3U && file_attr != FILE_ATTR_M3U) ||
-            (*c->dirfilter == SHOW_CFG && file_attr != FILE_ATTR_CFG) ||
-            (*c->dirfilter == SHOW_LNG && file_attr != FILE_ATTR_LNG) ||
-            (*c->dirfilter == SHOW_MOD && file_attr != FILE_ATTR_MOD) ||
-            (*c->dirfilter == SHOW_PLUGINS && file_attr != FILE_ATTR_ROCK &&
-                                              file_attr != FILE_ATTR_LUA &&
-                                              file_attr != FILE_ATTR_OPX) ||
+            CHK_FT(SHOW_M3U, FILE_ATTR_M3U) ||
+            CHK_FT(SHOW_CFG, FILE_ATTR_CFG) ||
+            CHK_FT(SHOW_LNG, FILE_ATTR_LNG) ||
+            CHK_FT(SHOW_MOD, FILE_ATTR_MOD) ||
+           /* show first level directories */
+           ((!(dir_attr) || c->dirlevel > 0)       &&
+            CHK_FT(SHOW_PLUGINS, FILE_ATTR_ROCK)   &&
+                       file_attr != FILE_ATTR_LUA  &&
+                       file_attr != FILE_ATTR_OPX) ||
             (callback_show_item && !callback_show_item(entry->d_name, dptr->attr, c)))
         {
             continue;
         }
+#undef CHK_FT
 
         if (len > c->cache.name_buffer_size - name_buffer_used - 1) {
             /* Tell the world that we ran out of buffer space */
@@ -408,7 +408,9 @@ int ft_load(struct tree_context* c, const char* tempdir)
     c->dirlength = files_in_dir;
     closedir(dir);
 
-    cmp_data.sort_dir = c->sort_dir;
+    /* allow directories to be sorted into file list */
+    cmp_data.sort_dir = (*c->dirfilter == SHOW_PLUGINS) ? SORT_AS_FILE : c->sort_dir;
+
     if (global_settings.sort_case)
     {
         if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
diff --git a/apps/plugins/CATEGORIES b/apps/plugins/CATEGORIES
index db0eb70fc4..c91d02ade8 100644
--- a/apps/plugins/CATEGORIES
+++ b/apps/plugins/CATEGORIES
@@ -57,7 +57,6 @@ lastfm_scrobbler_viewer,viewers
 logo,demos
 lrcplayer,apps
 lua,viewers
-lua_scripts,demos
 fractals,demos
 main_menu_config,apps
 matrix,demos
diff --git a/apps/plugins/SOURCES b/apps/plugins/SOURCES
index ff08074f82..8028758ef0 100644
--- a/apps/plugins/SOURCES
+++ b/apps/plugins/SOURCES
@@ -117,7 +117,6 @@ metronome.c
 #if PLUGIN_BUFFER_SIZE >= 0x80000
 boomshine.lua
 picross.lua
-lua_scripts.lua
 #ifdef HAVE_LCD_COLOR
 pixel-painter.lua
 #endif /* HAVE_LCD_COLOR */
diff --git a/apps/plugins/lua/include_lua/dbgettags.lua b/apps/plugins/lua/include_lua/dbgettags.lua
new file mode 100644
index 0000000000..8e9f26393d
--- /dev/null
+++ b/apps/plugins/lua/include_lua/dbgettags.lua
@@ -0,0 +1,119 @@
+-- dbgettags.lua Bilgus 2017
+--[[
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2017 William Wilgus
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+]]
+
+require("actions")
+local CANCEL_BUTTON = rb.actions.PLA_CANCEL
+
+local sINVALIDDATABASE = "Invalid Database"
+local sERROROPENING    = "Error opening"
+
+-- tag cache header
+sTCVERSION = string.char(0x10)
+sTCHEADER  = string.reverse("TCH" .. sTCVERSION)
+DATASZ    = 4  -- int32_t
+TCHSIZE   = 3 * DATASZ -- 3 x int32_t
+
+-- Converts array of bytes to proper endian
+function bytesLE_n(str)
+    str = str or ""
+    local tbyte={str:byte(1, -1)}
+    local bpos = 1
+    local num  = 0
+    for k = 1,#tbyte do -- (k = #t, 1, -1 for BE)
+        num = num + tbyte[k] * bpos
+        bpos = bpos * 256
+    end
+    return num
+end
+
+-- uses database files to retrieve database tags
+-- adds all unique tags into a lua table
+-- ftable is optional
+function get_tags(filename, hstr, ftable)
+
+    if not filename then return end
+    if not ftable then ftable = {} end
+    hstr = hstr or filename
+
+    local file = io.open('/' .. filename or "", "r") --read
+    if not file then rb.splash(100, sERROROPENING .. " " ..  filename) return end
+
+    local fsz = file:seek("end")
+
+    local posln = 0
+    local tag_len = TCHSIZE
+    local idx
+
+    local function readchrs(count)
+        if posln >= fsz then return nil end
+        file:seek("set", posln)
+        posln = posln + count
+        return file:read(count)
+    end
+
+    -- check the header and get size + #entries
+    local tagcache_header = readchrs(DATASZ) or ""
+    local tagcache_sz = readchrs(DATASZ) or ""
+    local tagcache_entries = readchrs(DATASZ) or ""
+
+    if tagcache_header ~= sTCHEADER or
+        bytesLE_n(tagcache_sz) ~= (fsz - TCHSIZE) then
+        rb.splash(100, sINVALIDDATABASE .. " " .. filename)
+        return
+    end
+    
+    -- local tag_entries = bytesLE_n(tagcache_entries)
+
+    for k, v in pairs(ftable) do ftable[k] = nil end -- clear table
+    ftable[1] = hstr
+
+    local tline = #ftable + 1
+    ftable[tline] = ""
+
+    local str = ""
+
+    while true do
+        tag_len = bytesLE_n(readchrs(DATASZ))
+        readchrs(DATASZ) -- idx = bytesLE_n(readchrs(DATASZ))
+        str = readchrs(tag_len) or ""
+        str = string.match(str, "(%Z+)%z") -- \0 terminated string 
+
+        if str then
+            if ftable[tline - 1] ~= str then -- Remove dupes
+                ftable[tline] = str
+                tline = tline + 1
+            end
+        elseif posln >= fsz then
+            break
+        end
+
+        if rb.get_plugin_action(0) == CANCEL_BUTTON then
+            break
+        end
+    end
+
+    file:close()
+
+    return ftable 
+end -- get_tags
diff --git a/apps/plugins/lua/include_lua/filebrowse.lua b/apps/plugins/lua/include_lua/filebrowse.lua
new file mode 100755
index 0000000000..0640ec3764
--- /dev/null
+++ b/apps/plugins/lua/include_lua/filebrowse.lua
@@ -0,0 +1,241 @@
+--[[
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2017 William Wilgus
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+]]
+if ... == nil then rb.splash(rb.HZ * 3, "use 'require'") end
+require("printtable")
+local _lcd = require("lcd")
+local _timer = require("timer")
+
+--------------------------------------------------------------------------------
+--[[ returns a sorted tables of directories and (another) of files
+-- path is the starting path; norecurse == true.. only that path will be searched
+--   findfile & finddir are definable search functions
+--  if not defined all files/dirs are returned if false is passed.. none
+-- or you can provide your own function see below..
+-- f_t and d_t allow you to pass your own tables for re-use but isn't necessary
+]]
+local function get_files(path, norecurse, finddir, findfile, sort_by, f_t, d_t)
+    local quit = false
+    local sort_by_function -- forward declaration
+    local filepath_function -- forward declaration
+    local files = f_t or {}
+    local dirs = d_t or {}
+
+    local function f_filedir(name)
+        --default find function
+        -- example: return name:find(".mp3", 1, true) ~= nil
+        if name:len() <= 2 and (name == "." or name == "..") then
+            return false
+        end
+        return true
+    end
+    local function d_filedir(name)
+        --default discard function
+        return false
+    end
+
+    if finddir == nil then
+        finddir = f_filedir
+    elseif type(finddir) ~= "function" then
+        finddir = d_filedir
+    end
+
+    if findfile == nil then
+        findfile = f_filedir
+    elseif type(findfile) ~= "function" then
+        findfile = d_filedir
+    end
+
+    local function _get_files(path, cancelbtn)
+        local sep = ""
+        local filepath
+        local finfo_t
+        if string.sub(path, - 1) ~= "/" then sep = "/" end
+        for fname, isdir, finfo_t in luadir.dir(path, true) do
+            if isdir and finddir(fname) then
+                table.insert(dirs, path .. sep ..fname)
+            elseif not isdir and findfile(fname) then
+                filepath = filepath_function(path, sep, fname, finfo_t.attribute, finfo_t.size, finfo_t.time)
+                table.insert(files, filepath)
+            end
+
+            if  rb.get_plugin_action(0) == cancelbtn then
+                return true
+            end
+        end
+    end
+
+
+
+    local function cmp_alphanum (op1, op2)
+        local type1= type(op1)
+        local type2 = type(op2)
+
+        if type1 ~= type2 then
+            return type1 < type2
+        else
+            if type1 == "string" then
+                op1 = op1:upper()
+                op2 = op2:upper()
+                return sort_by_function(op1, op2)
+            end
+            return op1 < op2
+        end
+     end
+
+    _lcd:splashf(1, "Searching for Files")
+
+    if sort_by == "name" then
+        sort_by_function = function(s1, s2) return s1 < s2 end
+        filepath_function = function(path, sep, fname, fattrib, fsize, ftime)
+                return string.format("%s%s%s;", path, sep, fname)
+        end
+    elseif sort_by == "size" then
+        filepath_function = function(path, sep, fname, fattrib, fsize, ftime)
+                return string.format("%s%s%s; At:%d, Sz:%d, Tm:%d", path, sep, fname, fattrib, fsize, ftime)
+        end
+        sort_by_function = function(s1, s2)
+            local v1, v2
+            v1 = string.match(s1, "SZ:(%d+)")
+            v2 = string.match(s2, "SZ:(%d+)")
+            if v1 or v2 then
+                return tonumber(v1 or 0) < tonumber(v2 or 0)
+            end
+            return s1 < s2
+        end
+    elseif sort_by == "date" then
+        filepath_function = function(path, sep, fname, fattrib, fsize, ftime)
+                return string.format("%s%s%s; At:%d, Sz:%d, Tm:%d", path, sep, fname, fattrib, fsize, ftime)
+        end
+        sort_by_function = function(s1, s2)
+            local v1, v2
+            v1 = string.match(s1, "TM:(%d+)")
+            v2 = string.match(s2, "TM:(%d+)")
+            if v1 or v2 then
+                return tonumber(v1 or 0) < tonumber(v2 or 0)
+            end
+            return s1 < s2
+        end
+    end
+
+    table.insert(dirs, path) -- root
+
+    for key,value in pairs(dirs) do
+        --luadir.dir may error out so we need to do the call protected
+        -- _get_files(value, CANCEL_BUTTON)
+        _, quit = pcall(_get_files, value, CANCEL_BUTTON)
+
+        if quit == true or norecurse then
+            break;
+        end
+    end
+
+    table.sort(files, cmp_alphanum)
+    table.sort(dirs, cmp_alphanum)
+
+    return dirs, files
+end -- get_files
+--------------------------------------------------------------------------------
+
+-- uses print_table and get_files to display simple file browser
+-- sort_by "date" "name" "size"
+-- descending true/false
+function file_choose(dir, title, sort_by, descending)
+    local dstr, hstr = ""
+    if not title then
+        dstr = "%d items found in %0d.%02d seconds"
+    else
+        hstr = title
+    end
+
+    if not sort_by then sort_by = "name" end
+    sort_by = sort_by:lower()
+
+    -- returns whole seconds and remainder
+    local function tick2seconds(ticks)
+        local secs  = (ticks / rb.HZ)
+        local csecs = (ticks - (secs * rb.HZ))
+        return secs, csecs
+    end
+
+    local norecurse  = true
+    local f_finddir  = nil -- function to match directories; nil all, false none
+    local f_findfile = nil -- function to match files; nil all, false none
+
+    local p_settings = {wrap = true, hasheader = true}
+
+    local timer
+    local files = {}
+    local dirs = {}
+    local item = 1
+    _lcd:clear()
+
+    while item > 0 do
+        if not title then
+            timer = _timer()
+        end
+
+        dirs, files = get_files(dir, norecurse, f_finddir, f_findfile, sort_by, dirs, files)
+
+        local parentdir = dirs[1]
+        for i = 1, #dirs do
+            dirs[i] = "\t" .. dirs[i]
+        end
+
+        if not descending then
+            for i = 1, #files do
+                -- only store file name .. strip attributes from end
+                table.insert(dirs, "\t" .. string.match(files[i], "[^;]+") or "?")
+            end
+        else
+            for i = #files, 1, -1 do
+                -- only store file name .. strip attributes from end
+                table.insert(dirs, "\t" .. string.match(files[i], "[^;]+") or "?")
+            end
+        end
+        for i=1, #files do files[i] = nil end -- empty table for reuse
+
+        if not title then
+            hstr = string.format(dstr, #dirs - 1, tick2seconds(timer:stop()))
+        end
+
+        table.insert(dirs, 1, hstr)
+
+        item = print_table(dirs, #dirs, p_settings)
+
+        -- If item was selected follow directory or return filename
+        if item > 0 then
+            dir = string.gsub(dirs[item], "%c+","")
+            if not rb.dir_exists("/" .. dir) then
+                return dir
+            end
+        end
+
+        if dir == parentdir then
+            dir = dir:sub(1, dir:match(".*()/") - 1)
+            if dir == "" then dir = "/" end
+        end
+        for i=1, #dirs do dirs[i] = nil end -- empty table for reuse
+
+    end
+end -- file_choose
+--------------------------------------------------------------------------------
diff --git a/apps/plugins/lua/include_lua/fileviewers.lua b/apps/plugins/lua/include_lua/fileviewers.lua
new file mode 100755
index 0000000000..c686f3eeda
--- /dev/null
+++ b/apps/plugins/lua/include_lua/fileviewers.lua
@@ -0,0 +1,468 @@
+--[[
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2017 William Wilgus
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+]]
+if ... == nil then rb.splash(rb.HZ * 3, "use 'require'") end
+require("printtable")
+local _clr = require("color")
+local _lcd = require("lcd")
+local _print = require("print")
+local _timer = require("timer")
+
+require("actions")
+local CANCEL_BUTTON = rb.actions.PLA_CANCEL
+--------------------------------------------------------------------------------
+-- builds an index of byte position of every line at each bufsz increment
+-- in filename; bufsz == 1 would be every line; saves to filename.ext.idx_ext
+-- lnbyte should be nil for text files and number of bytes per line for binary
+local function build_file_index(filename, idx_ext, bufsz, lnbyte)
+
+    if not filename then return end
+    local file = io.open('/' .. filename, "r") --read
+    if not file then _lcd:splashf(100, "Can't open %s", filename) return end
+    local fsz = file:seek("end")
+    local fsz_kb = fsz / 1024
+    local count
+    local ltable = {0} --first index is the beginning of the file
+    local timer = _timer()
+    local fread
+    _lcd:splashf(100, "Indexing file %d Kb", (fsz / 1024))
+
+    if lnbyte then
+        fread = function(f) return f:read(lnbyte) end
+    else
+        lnbyte = -1
+        fread = function(f) return f:read("*l") end
+    end
+
+    file:seek("set", 0)
+    for i = 1, fsz do
+        if i % bufsz == 0 then
+            local loc = file:seek()
+            ltable[#ltable + 1] = loc
+            _lcd:splashf(1, "Parsing %d of %d Kb", loc / 1024, fsz_kb)
+        end
+        if rb.get_plugin_action(0) == CANCEL_BUTTON then
+            return
+        end
+        if not fread(file) then
+            count = i
+            break
+        end
+    end
+
+    local fileidx = io.open('/' .. filename .. idx_ext, "w+") -- write/erase
+    if fileidx then
+        fileidx:write(fsz .. "\n")
+        fileidx:write(count .. "\n")
+        fileidx:write(bufsz .. "\n")
+        fileidx:write(lnbyte .. "\n")
+        fileidx:write(table.concat(ltable, "\n"))
+        fileidx:close()
+        _lcd:splashf(100, "Finished in %d seconds", timer.stop() / rb.HZ)
+        collectgarbage("collect")
+    else
+        error("unable to save index file")
+    end
+end -- build_file_index
+--------------------------------------------------------------------------------
+
+--- returns size of original file, total lines buffersize, and table filled
+-- with line offsets in index file -> filename
+local function load_index_file(filename)
+    local filesz, count, bufsz, lnbyte
+    local ltable
+    local fileidx = io.open('/' .. filename, "r") --read
+    if fileidx then
+        local idx = -3
+        ltable = {}
+        fileidx:seek("set", 0)
+        for line in fileidx:lines() do
+            if idx == -3 then
+                filesz = tonumber(line)
+            elseif idx == -2 then
+                count = tonumber(line)
+            elseif idx == -1 then
+                bufsz = tonumber(line)
+            elseif idx == 0 then
+                lnbyte = tonumber(line)
+            else
+                ltable[idx] = tonumber(line)
+            end
+            idx = idx + 1
+        end
+        fileidx:close()
+    end
+    return lnbyte, filesz, count, bufsz, ltable
+end -- load_index_file
+--------------------------------------------------------------------------------
+
+-- creates a fixed index with fixed line lengths, perfect for viewing hex files
+-- not so great for reading text files but works as a fallback
+local function load_fixed_index(bytesperline, filesz, bufsz)
+    local lnbyte = bytesperline
+    local count = (filesz + lnbyte - 1) / lnbyte + 1
+    local idx_t = {} -- build index
+    for i = 0, filesz, bufsz do
+        idx_t[#idx_t + 1] = lnbyte * i
+    end
+    return lnbyte, filesz, count, bufsz, idx_t
+end -- load_fixed_index
+--------------------------------------------------------------------------------
+
+-- uses print_table to display a whole file
+function print_file(filename, maxlinelen, settings)
+
+    if not filename then return end
+    local file = io.open('/' .. filename or "", "r") --read
+    if not file then _lcd:splashf(100, "Can't open %s", filename) return end
+    maxlinelen = 33
+    local hstr = filename
+    local ftable = {}
+    table.insert(ftable, 1, hstr)
+
+    local tline = #ftable + 1
+    local remln = maxlinelen
+    local posln = 1
+
+    for line in file:lines() do
+        if line then
+            if maxlinelen then
+                if line == "" then
+                    ftable[tline] = ftable[tline] or ""
+                    tline = tline + 1
+                    remln = maxlinelen
+                else
+                    line = line:match("%w.+") or ""
+                end
+                local linelen = line:len()
+                while linelen > 0 do
+
+                    local fsp = line:find("%s", posln + remln - 5) or 0x0
+                    fsp = fsp - (posln + remln)
+                    if fsp >= 0 then
+                        local fspr = fsp
+                        fsp = line:find("%s", posln + remln) or linelen
+                        fsp = fsp - (posln + remln)
+                        if math.abs(fspr) < fsp then fsp = fspr end
+                    end
+                    if fsp > 5 or fsp < -5 then fsp = 0 end
+
+                    local str = line:sub(posln, posln + remln + fsp)
+                    local slen = str:len()
+                    ftable[tline] = ftable[tline] or ""
+                    ftable[tline] = ftable[tline] .. str
+                    linelen = linelen - slen
+                    if linelen > 0 then
+                        tline = tline + 1
+                        posln = posln + slen
+                        remln = maxlinelen
+                        --loop continues
+                    else
+                        ftable[tline] = ftable[tline] .. " "
+                        remln = maxlinelen - slen
+                        posln = 1
+                        --loop ends
+                    end
+
+                end
+            else
+                ftable[#ftable + 1] = line
+            end
+
+
+        end
+    end
+
+    file:close()
+
+    _lcd:clear()
+    _print.clear()
+
+    if not settings then
+        settings = {}
+        settings.justify = "center"
+        settings.wrap = true
+        settings.msel = true
+    end
+    settings.hasheader = true
+    settings.co_routine = nil
+    settings.ovfl = "manual"
+
+    local sel =
+        print_table(ftable, #ftable, settings)
+
+    _lcd:splashf(rb.HZ * 2, "%d items {%s}", #sel, table.concat(sel, ", "))
+    ftable = nil
+end -- print_file
+--------------------------------------------------------------------------------
+
+-- uses print_table to display a portion of a file
+function print_file_increment(filename, settings)
+
+    if not filename then return end
+    local file = io.open('/' .. filename, "r") --read
+    if not file then _lcd:splashf(100, "Can't open %s", filename) return end
+    local fsz = file:seek("end")
+    local bsz = 1023
+    --if small file do it the easier way and load whole file to table
+    if fsz < 60 * 1024 then
+        file:close()
+        print_file(filename, settings)
+        return
+    end
+
+    local ext = ".idx"
+    local lnbyte, filesz, count, bufsz, idx_t = load_index_file(filename .. ext)
+
+    if not idx_t or fsz ~= filesz then -- build file index
+        build_file_index(filename, ext, bsz)
+        lnbyte, filesz, count, bufsz, idx_t = load_index_file(filename .. ext)
+    end
+
+    -- if invalid or user canceled creation fallback to a fixed index
+    if not idx_t or fsz ~= filesz or count <= 0 then
+        _lcd:splashf(rb.HZ * 5, "Unable to read file index %s", filename .. ext)
+        lnbyte, filesz, count, bufsz, idx_t = load_fixed_index(32, fsz, bsz)
+    end
+
+    if not idx_t or fsz ~= filesz or count <= 0 then
+        _lcd:splashf(rb.HZ * 5, "Unable to load file %s", filename)
+        return
+    end
+
+    local hstr = filename
+    local file_t = setmetatable({},{__mode = "kv"}) --weak keys and values
+    -- this allows them to be garbage collected as space is needed
+    -- rebuilds when needed
+    local ovf = 0
+    local lpos = 1
+    local timer = _timer()
+    file:seek("set", 0)
+
+    function print_co()
+        while true do
+            collectgarbage("step")
+            file_t[1] = hstr --position 1 is ALWAYS header/title
+
+            for i = 1, bufsz + ovf do
+                file_t[lpos + i] = file:read ("*l")
+            end
+                ovf = 0
+                lpos = lpos + bufsz
+
+                local bpos = coroutine.yield()
+
+                if bpos <= lpos then -- roll over or scroll up
+                    bpos = (bpos - bufsz) + bpos % bufsz
+                    timer:check(true)
+                end
+
+                lpos = bpos - bpos % bufsz
+
+                if lpos < 1 then
+                    lpos = 1
+                elseif lpos > count - bufsz then -- partial fill
+                    ovf = count - bufsz - lpos
+                end
+                --get position in file of the nearest indexed line
+                file:seek("set", idx_t[bpos / bufsz + 1])
+
+                -- on really large files if it has been more than 10 minutes
+                -- since the user scrolled up the screen wipe out the prior
+                -- items to free memory
+                if lpos % 5000 == 0 and timer:check() > rb.HZ * 600 then
+                    for i = 1, lpos - 100 do
+                        file_t[i] = nil
+                    end
+                end
+
+        end
+    end
+
+    co = coroutine.create(print_co)
+    _lcd:clear()
+    _print.clear()
+
+    if not settings then
+        settings = {}
+        settings.justify = "center"
+        settings.wrap = true
+    end
+    settings.hasheader = true
+    settings.co_routine = co
+    settings.msel = false
+    settings.ovfl = "manual"
+
+    table.insert(file_t, 1, hstr) --position 1 is header/title
+    local sel =
+    print_table(file_t, count, settings)
+    file:close()
+    idx_t = nil
+    file_t = nil
+    return sel
+end --print_file_increment
+--------------------------------------------------------------------------------
+function print_file_hex(filename, bytesperline, settings)
+
+    if not filename then return end
+    local file = io.open('/' .. filename, "r") --read
+    if not file then _lcd:splashf(100, "Can't open %s", filename) return end
+    local hstr = filename
+    local bpl = bytesperline
+    local fsz = file:seek("end")
+--[[
+    local filesz = file:seek("end")
+    local bufsz = 1023
+    local lnbyte = bytesperline
+    local count = (filesz + lnbyte - 1) / lnbyte + 1
+
+    local idx_t = {} -- build index
+    for i = 0, filesz, bufsz do
+        idx_t[#idx_t + 1] = lnbyte * i
+    end]]
+
+    local lnbyte, filesz, count, bufsz, idx_t = load_fixed_index(bpl, fsz, 1023)
+
+    local file_t = setmetatable({},{__mode = "kv"}) --weak keys and values
+    -- this allows them to be garbage collected as space is needed
+    -- rebuilds when needed
+    local ovf = 0
+    local lpos = 1
+    local timer = _timer()
+    file:seek("set", 0)
+
+    function hex_co()
+        while true do
+            collectgarbage("step")
+            file_t[1] = hstr --position 1 is ALWAYS header/title
+
+            for i = 1, bufsz + ovf do
+                local pos = file:seek()
+                local s = file:read (lnbyte)
+                if not s then -- EOF
+                    file_t[lpos + i] = ""
+                    break;
+                end
+                local s_len = s:len()
+
+                if s_len > 0 then
+                    local fmt = "0x%04X: " .. string.rep("%02X ", s_len)
+                    local schrs = "     " .. s:gsub("(%c)", " . ")
+                    file_t[lpos + i] = string.format(fmt, pos, s:byte(1, s_len)) ..
+                                       schrs
+                else
+                    file_t[lpos + i] = string.format("0x%04X: ", pos)
+                end
+            end
+                ovf = 0
+                lpos = lpos + bufsz
+
+                local bpos = coroutine.yield()
+
+                if bpos < lpos then -- roll over or scroll up
+                    bpos = (bpos - bufsz) + bpos % bufsz
+                    timer:check(true)
+                end
+
+                lpos = bpos - bpos % bufsz
+
+                if lpos < 1 then
+                    lpos = 1
+                elseif lpos > count - bufsz then -- partial fill
+                    ovf = count - bufsz - lpos
+                end
+                --get position in file of the nearest indexed line
+                file:seek("set", idx_t[bpos / bufsz + 1])
+
+                -- on really large files if it has been more than 10 minutes
+                -- since the user scrolled up the screen wipe out the prior
+                -- items to free memory
+                if lpos % 10000 == 0 and timer:check() > rb.HZ * 600 then
+                    for i = 1, lpos - 100 do
+                        file_t[i] = nil
+                    end
+                end
+
+        end
+    end
+
+    co = coroutine.create(hex_co)
+
+    local function repl(char)
+            local ret = ""
+            if char:sub(1,2) == "0x" then
+                return string.format("%dd:", tonumber(char:sub(3, -2), 16))
+            else
+                return string.format("%03d ", tonumber(char, 16))
+            end
+    end
+
+
+    _lcd:clear()
+    _print.clear()
+
+    local sel, start, vcur = 1
+    table.insert(file_t, 1, hstr) --position 1 is header/title
+
+    if not settings then
+        settings = {}
+        settings.justify = "left"
+        settings.wrap    = true
+        settings.msel    = false
+        settings.hfgc    = _clr.set( 0, 000, 000, 000)
+        settings.hbgc    = _clr.set(-1, 255, 255, 255)
+        settings.ifgc    = _clr.set(-1, 255, 255, 255)
+        settings.ibgc    = _clr.set( 0, 000, 000, 000)
+        settings.iselc   = _clr.set( 1, 000, 200, 100)
+    end
+
+    settings.hasheader = true
+    settings.co_routine = co
+    settings.start = start
+    settings.curpos = vcur
+    settings.ovfl = "manual"
+
+    while sel > 0 do
+        settings.start = start
+        settings.curpos = vcur
+
+        sel, start, vcur = print_table(file_t, count, settings)
+
+        if sel > 1 and file_t[sel] then -- flips between hex and decimal
+            local s = file_t[sel]
+            if s:sub(-1) == "\b" then
+                file_t[sel] = nil
+                ovf = -(bufsz - 1)
+                coroutine.resume(co, sel) --rebuild this item
+            else
+                s = s:gsub("(0x%x+:)", repl) .. "\b"
+                file_t[sel] = s:gsub("(%x%x%s)", repl) .. "\b"
+            end
+        end
+    end
+
+    file:close()
+    idx_t = nil
+    file_t = nil
+    return sel
+end -- print_file_hex
+--------------------------------------------------------------------------------
diff --git a/apps/plugins/lua/lua.make b/apps/plugins/lua/lua.make
index 60dfd24cdd..c85182880b 100644
--- a/apps/plugins/lua/lua.make
+++ b/apps/plugins/lua/lua.make
@@ -16,14 +16,7 @@ LUA_OBJ := $(call c2obj, $(LUA_SRC))
 OTHER_SRC += $(LUA_SRC)
 
 LUA_INCLUDEDIR := $(LUA_SRCDIR)/include_lua
-LUA_INCLUDELIST := $(addprefix $(LUA_BUILDDIR)/,audio.lua blit.lua color.lua \
-                                                draw.lua draw_floodfill.lua draw_poly.lua draw_num.lua \
-                                                draw_text.lua files.lua image.lua image_save.lua lcd.lua \
-                                                math_ex.lua print.lua timer.lua playlist.lua pcm.lua \
-                                                sound.lua rbcompat.lua rbsettings.lua poly_points.lua \
-                                                printtable.lua printmenus.lua printsubmenu.lua \
-                                                menubuttons.lua menucoresettings.lua create_kbd_layout.lua \
-                        temploader.lua)
+LUA_INCLUDELIST := $(wildcard $(LUA_INCLUDEDIR)/*.lua)
 
 ifndef APP_TYPE
     ROCKS += $(LUA_BUILDDIR)/lua.rock
@@ -31,6 +24,7 @@ else
     ### simulator
     ROCKS += $(LUA_BUILDDIR)/lua.rock
 endif
+all: $(subst $(LUA_INCLUDEDIR)/,$(LUA_BUILDDIR)/,$(LUA_INCLUDELIST))
 
 $(LUA_BUILDDIR)/lua.rock: $(LUA_OBJ) $(TLSFLIB) $(LUA_BUILDDIR)/actions.lua $(LUA_BUILDDIR)/buttons.lua $(LUA_BUILDDIR)/settings.lua \
                                                 $(LUA_BUILDDIR)/rocklib_aux.o $(LUA_BUILDDIR)/rb_defines.lua $(LUA_BUILDDIR)/sound_defines.lua \
@@ -66,7 +60,7 @@ $(LUA_BUILDDIR)/rocklib_aux.o: $(LUA_BUILDDIR)/rocklib_aux.c
         $(call PRINTS,CC $(<F))$(CC) $(INCLUDES) $(PLUGINFLAGS) -I $(LUA_SRCDIR) -c $< -o $@
 
 $(LUA_BUILDDIR)/%.lua: $(LUA_INCLUDEDIR)/%.lua | $(LUA_BUILDDIR)
-        $(call PRINTS,CP $(subst $(LUA_INCLUDEDIR)/,,$<))cp $< $@
+        $(call PRINTS,CP $(notdir $<))cp $< $@
 
 $(LUA_BUILDDIR)/lua.refmap: $(LUA_OBJ) $(TLSFLIB)
 
diff --git a/apps/plugins/lua_scripts/lua_scripts.lua b/apps/plugins/lua_scripts/lua_scripts.lua
new file mode 100644
index 0000000000..331611d389
--- /dev/null
+++ b/apps/plugins/lua_scripts/lua_scripts.lua
@@ -0,0 +1,172 @@
+--[[
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2017 William Wilgus
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+]]
+
+local scrpath = rb.current_path()
+
+package.path = scrpath .. "/?.lua;" .. package.path --add lua_scripts directory to path
+require("printmenus")
+
+rb.actions = nil
+package.loaded["actions"] = nil
+
+--------------------------------------------------------------------------------
+local Icon_Plugin = 0x9
+
+
+local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
+
+    local quit = false
+
+    local files = f_t or {}
+    local dirs = d_t or {}
+
+    local function f_filedir(name)
+        --default find function
+        -- example: return name:find(".mp3", 1, true) ~= nil
+        if name:len() <= 2 and (name == "." or name == "..") then
+            return false
+        end
+        if string.sub(name, 1, 1) == '.'  then
+            return false
+        end
+        if string.sub(name, -4) == ".lua" then
+            return true
+        end
+        return false
+    end
+    local function d_filedir(name)
+        --default discard function
+        return false
+    end
+
+    if finddir == nil then
+        finddir = f_filedir
+    elseif type(finddir) ~= "function" then
+        finddir = d_filedir
+    end
+
+    if findfile == nil then
+        findfile = f_filedir
+    elseif type(findfile) ~= "function" then
+        findfile = d_filedir
+    end
+
+    local function _get_files(path, cancelbtn)
+        local sep = ""
+        if string.sub(path, - 1) ~= "/" then sep = "/" end
+        for fname, isdir in luadir.dir(path) do
+
+            if isdir and finddir(fname) then
+                table.insert(dirs, path .. sep ..fname)
+            elseif not isdir and findfile(fname) then
+                table.insert(files, path .. sep ..fname)
+            end
+
+            if  rb.get_plugin_action(0) == cancelbtn then
+                return true
+            end
+        end
+    end
+
+    local function cmp_alphanum (op1, op2)
+        local type1= type(op1)
+        local type2 = type(op2)
+
+        if type1 ~= type2 then
+            return type1 < type2
+        else
+            if type1 == "string" then
+                op1 = op1:upper()
+                op2 = op2:upper()
+            end
+            return op1 < op2
+        end
+     end
+
+    table.insert(dirs, path) -- root
+
+    for key,value in pairs(dirs) do
+        --luadir.dir may error out so we need to do the call protected
+        _, quit = pcall(_get_files, value, CANCEL_BUTTON)
+
+        if quit == true or norecurse then
+            break;
+        end
+    end
+
+    table.sort(files, cmp_alphanum)
+    table.sort(dirs, cmp_alphanum)
+
+    return dirs, files
+end -- get_files
+--------------------------------------------------------------------------------
+
+function icon_fn(item, icon)
+    if item ~= 0 then
+        icon = Icon_Plugin
+    else
+        icon = -1
+    end
+    return icon
+end
+
+-- uses print_table and get_files to display simple file browser
+function script_choose(dir, title)
+    local dstr
+    local hstr = title
+
+    local norecurse  = true
+    local f_finddir  = false -- function to match directories; nil all, false none
+    local f_findfile = nil -- function to match files; nil all, false none
+    local t_linedesc = {show_icons = true, icon_fn = icon_fn}
+    local p_settings = {wrap = true, hasheader = true, justify = "left", linedesc = t_linedesc}
+    local files = {}
+    local dirs = {}
+    local item = 1
+    rb.lcd_clear_display()
+
+    while item > 0 do
+        dirs, files = get_files(dir, norecurse, f_finddir, f_findfile, dirs, files)
+        for i=1, #dirs do dirs[i] = nil end -- empty table for reuse
+        table.insert(dirs, 1, hstr)
+        for i = 1, #files do
+            table.insert(dirs, "\t" .. string.gsub(files[i], ".*/",""))
+        end
+        --print_menu(menu_t, func_t, selected, settings, copy_screen)
+        _, item = print_menu(dirs, nil, 0, p_settings)
+
+        -- If item was selected follow directory or return filename
+        item = item or -1
+        if item > 0 then
+            dir = files[item - 1]
+            if not rb.dir_exists("/" .. dir) then
+                return dir
+            end
+        end
+
+    end
+end -- file_choose
+--------------------------------------------------------------------------------
+
+local script_path = script_choose(scrpath, "lua scripts")
+if script_path then rb.restart_lua(script_path) end
diff --git a/apps/plugins/lua_scripts/lua_scripts.make b/apps/plugins/lua_scripts/lua_scripts.make
index 2f46f9d74a..9151ab6d1c 100644
--- a/apps/plugins/lua_scripts/lua_scripts.make
+++ b/apps/plugins/lua_scripts/lua_scripts.make
@@ -10,7 +10,6 @@
 LUASCR_SRCDIR := $(APPSDIR)/plugins/lua_scripts
 LUASCR_BUILDDIR := $(BUILDDIR)/apps/plugins/lua_scripts
 LUASCRS := $(wildcard $(LUASCR_SRCDIR)/*.lua)
-
 #DUMMY := $(info [${LUASCRS}])
 
 DUMMY : all
@@ -18,7 +17,6 @@ DUMMY : all
 all: $(subst $(LUASCR_SRCDIR)/,$(LUASCR_BUILDDIR)/,$(LUASCRS))
 
 $(LUASCR_BUILDDIR)/%.lua: $(LUASCR_SRCDIR)/%.lua | $(LUASCR_BUILDDIR)
-        $(call PRINTS,CP $(subst $(LUASCR_SRCDIR)/,,$<))cp $< $@
-
+        $(call PRINTS,CP $(subst $(APPSDIR)/,,$<))cp $< $@
 $(LUASCR_BUILDDIR):
         $(call PRINTS,MKDIR $@)mkdir -p $(LUASCR_BUILDDIR)/
diff --git a/apps/plugins/picross.lua b/apps/plugins/picross.lua
index 26ad57ee74..ec9b6ef7a9 100644
--- a/apps/plugins/picross.lua
+++ b/apps/plugins/picross.lua
@@ -24,7 +24,7 @@ local _clr   = require("color") -- clrset, clrinc provides device independent co
 local _lcd   = require("lcd")   -- lcd helper functions
 
 local plugindir = rb.PLUGIN_GAMES_DATA_DIR
-local userdir = plugindir .. "/picross"
+local userdir = plugindir .. "/.picross"
 
 local wrap = rb.settings.read('global_settings', rb.system.global_settings.list_wraparound)
 wrap = (wrap or 1) == 1
@@ -371,7 +371,7 @@ function State:loadSave()
 end
 
 function State:loadDefault()
-    self:loadFile(userdir .. '/picross_default.picross')
+    return self:loadFile(userdir .. '/picross_default.picross')
 end
 
 function State:loadFile(path)
@@ -763,7 +763,9 @@ function viewPicture()
 end
 
 if not State:loadSave() then
-    State:loadDefault()
+    if not State:loadDefault() then
+    return;
+    end
 end
 
 local act = rb.actions
diff --git a/apps/plugins/picross/picross.make b/apps/plugins/picross/picross.make
index d34b251dac..ead5ba482a 100644
--- a/apps/plugins/picross/picross.make
+++ b/apps/plugins/picross/picross.make
@@ -8,7 +8,7 @@
 #
 
 PICRSCR_SRCDIR := $(APPSDIR)/plugins/picross
-PICRSCR_BUILDDIR := $(BUILDDIR)/apps/plugins/picross
+PICRSCR_BUILDDIR := $(BUILDDIR)/apps/plugins/.picross
 PICRSCRS := $(wildcard $(PICRSCR_SRCDIR)/*.picross)
 
 #DUMMY := $(info [${PICRSCRS}])
@@ -18,7 +18,7 @@ DUMMY : all
 all: $(subst $(PICRSCR_SRCDIR)/,$(PICRSCR_BUILDDIR)/,$(PICRSCRS))
 
 $(PICRSCR_BUILDDIR)/%.picross: $(PICRSCR_SRCDIR)/%.picross | $(PICRSCR_BUILDDIR)
-        $(call PRINTS,CP $(subst $(PICRSCR_SRCDIR)/,,$<))cp $< $@
+        $(call PRINTS,CP $(subst $(APPSDIR)/,,$<))cp $< $@
 
 $(PICRSCR_BUILDDIR):
         $(call PRINTS,MKDIR $@)mkdir -p $(PICRSCR_BUILDDIR)/
diff --git a/apps/settings.h b/apps/settings.h
index 2277805fec..e3b11430cd 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -163,7 +163,7 @@ enum { SHOW_ALL, SHOW_SUPPORTED, SHOW_MUSIC, SHOW_PLAYLIST, SHOW_ID3DB,
 
 /* file and dir sort options */
 enum { SORT_ALPHA, SORT_DATE, SORT_DATE_REVERSED, SORT_TYPE, /* available as settings */
-       SORT_ALPHA_REVERSED, SORT_TYPE_REVERSED };            /* internal use only */
+       SORT_ALPHA_REVERSED, SORT_TYPE_REVERSED, SORT_AS_FILE }; /* internal use only */
 enum { SORT_INTERPRET_AS_DIGIT, SORT_INTERPRET_AS_NUMBER };
 
 /* recursive dir insert options */
diff --git a/apps/tree.c b/apps/tree.c
index 2e82b165af..58457c2d71 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -466,6 +466,13 @@ static int update_dir(void)
             icon = tc.browse->icon;
             if (icon == NOICON)
                 icon = filetype_get_icon(ATTR_DIRECTORY);
+            /* display sub directories in the title of plugin browser */
+            if (tc.dirlevel > 0 && *tc.dirfilter == SHOW_PLUGINS)
+            {
+                char *subdir = strrchr(tc.currdir, '/');
+                if (subdir)
+                    title = subdir + 1; /* step past the separator */
+            }
         }
         else
         {
@@ -1056,7 +1063,7 @@ int rockbox_browse(struct browse_context *browse)
             int last_context;
             /* don't reset if its the same browse already loaded */
             if (tc.browse != browse ||
-                !(tc.currdir[1] && strcmp(tc.currdir, browse->root) == 0))
+                !(tc.currdir[1] && strstr(tc.currdir, browse->root) != NULL))
             {
                 tc.browse = browse;
                 tc.selected_item = 0;
diff --git a/tools/buildzip.pl b/tools/buildzip.pl
index 2956b49492..59c32d3e3d 100755
--- a/tools/buildzip.pl
+++ b/tools/buildzip.pl
@@ -167,6 +167,13 @@ sub make_install {
         glob_install("$src/rocks/$t/*", "$libdir/rocks/$t", "-m 0755");
     }
 
+    if(-e "$src/rocks/games/sgt_puzzles") {
+        unless (glob_mkdir("$libdir/rocks/games/sgt_puzzles")) {
+            return 0;
+        }
+        glob_install("$src/rocks/games/sgt_puzzles/*", "$libdir/rocks/games/sgt_puzzles", "-m 0755");
+    }
+
     # rocks/viewers/lua
     unless (glob_mkdir("$libdir/rocks/viewers/lua")) {
         return 0;
@@ -182,12 +189,13 @@ sub make_install {
         #glob_mkdir("$temp_dir/rocks/demos/lua_scripts");
         #glob_copy("$ROOT/apps/plugins/lua_scripts/*.lua", "$temp_dir/rocks/demos/lua_scripts/");
     }
-       #lua picross puzzles
+
+    #lua picross puzzles
     if(-e "$ROOT/apps/plugins/picross") {
-        unless (glob_mkdir("$libdir/rocks/games/picross")) {
+        unless (glob_mkdir("$libdir/rocks/games/.picross")) {
             return 0;
         }
-        glob_install("$ROOT/apps/plugins/picross/*.picross", "$libdir/rocks/games/picross");
+        glob_install("$ROOT/apps/plugins/picross/*.picross", "$libdir/rocks/games/.picross");
     }
 
     # all the rest directories
@@ -451,6 +459,12 @@ sub buildzip {
         glob_copy("$ROOT/apps/plugins/lua_scripts/*.lua", "$temp_dir/rocks/demos/lua_scripts/");
     }
 
+    #lua picross puzzles
+    if(-e "$ROOT/apps/plugins/picross") {
+        glob_mkdir("$temp_dir/rocks/games/.picross");
+        glob_copy("$ROOT/apps/plugins/picross/*.picross", "$temp_dir/rocks/games/.picross/");
+    }
+
     # exclude entries for the image file types not supported by the imageviewer for the target.
     my $viewers = "$ROOT/apps/plugins/viewers.config";
     my $c="cat $viewers | gcc $cppdef -I. -I$firmdir/export -E -P -include config.h -";
@@ -512,7 +526,13 @@ sub buildzip {
     foreach my $line (@rock_targetdirs) {
         if ($line =~ /([^,]*),(.*)/) {
             my ($plugin, $dir)=($1, $2);
-            move("$temp_dir/rocks/${plugin}.rock", "$temp_dir/rocks/$dir/${plugin}.rock");
+            if($dir  eq 'games' and substr(${plugin}, 0, 4) eq "sgt-") {
+                glob_mkdir("$temp_dir/rocks/$dir/sgt_puzzles");
+                move("$temp_dir/rocks/${plugin}.rock", "$temp_dir/rocks/$dir/sgt_puzzles/${plugin}.rock");
+            }
+            else {
+                move("$temp_dir/rocks/${plugin}.rock", "$temp_dir/rocks/$dir/${plugin}.rock");
+            }
             if(-e "$temp_dir/rocks/${plugin}.ovl") {
                 # if there's an "overlay" file for the .rock, move that as
                 # well