]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - builtin/mainmenu/init.lua
Merge branch 'master' of https://github.com/minetest/minetest
[dragonfireclient.git] / builtin / mainmenu / init.lua
index 58e9ab9494cc68ed287719472415ad0946611bfb..94345467734943b5f10134224ea317d3b81817f0 100644 (file)
-
-engine = core
-local menupath = core.get_mainmenu_path()..DIR_DELIM
-local commonpath = core.get_builtin_path()..DIR_DELIM.."common"..DIR_DELIM
-
-dofile(menupath.."filterlist.lua")
-dofile(menupath.."modmgr.lua")
-dofile(menupath.."modstore.lua")
-dofile(menupath.."gamemgr.lua")
-dofile(menupath.."textures.lua")
-dofile(menupath.."menubar.lua")
-dofile(commonpath.."async_event.lua")
+--Minetest
+--Copyright (C) 2014 sapier
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 mt_color_grey  = "#AAAAAA"
-mt_color_blue  = "#0000DD"
-mt_color_green = "#00DD00"
-mt_color_dark_green = "#003300"
-
---for all other colors ask sfan5 to complete his worK!
-
-menu = {}
-local tabbuilder = {}
-local worldlist = nil
-
---------------------------------------------------------------------------------
-local function filter_texture_pack_list(list)
-       retval = {"None"}
-       for _,i in ipairs(list) do
-               if i~="base" then
-                       table.insert(retval, i)
-               end
-       end
-       return retval
-end
-
---------------------------------------------------------------------------------
-function menu.render_favorite(spec,render_details)
-       local text = ""
-
-       if spec.name ~= nil then
-               text = text .. engine.formspec_escape(spec.name:trim())
-
---             if spec.description ~= nil and
---                     engine.formspec_escape(spec.description):trim() ~= "" then
---                     text = text .. " (" .. engine.formspec_escape(spec.description) .. ")"
---             end
-       else
-               if spec.address ~= nil then
-                       text = text .. spec.address:trim()
-
-                       if spec.port ~= nil then
-                               text = text .. ":" .. spec.port
-                       end
-               end
-       end
-
-       if not render_details then
-               return text
-       end
-
-       local details = ""
-       if spec.password == true then
-               details = details .. "*"
-       else
-               details = details .. "_"
-       end
-
-       if spec.creative then
-               details = details .. "C"
-       else
-               details = details .. "_"
-       end
-
-       if spec.damage then
-               details = details .. "D"
-       else
-               details = details .. "_"
-       end
-
-       if spec.pvp then
-               details = details .. "P"
-       else
-               details = details .. "_"
-       end
-       details = details .. " "
-
-       local playercount = ""
-
-       if spec.clients ~= nil and
-               spec.clients_max ~= nil then
-               playercount = string.format("%03d",spec.clients) .. "/" ..
-                                               string.format("%03d",spec.clients_max) .. " "
-       end
-
-       return playercount .. engine.formspec_escape(details) ..  text
-end
-
---------------------------------------------------------------------------------
-os.tempfolder = function()
-       local filetocheck = os.tmpname()
-       os.remove(filetocheck)
-
-       local randname = "MTTempModFolder_" .. math.random(0,10000)
-       if DIR_DELIM == "\\" then
-               local tempfolder = os.getenv("TEMP")
-               return tempfolder .. filetocheck
-       else
-               local backstring = filetocheck:reverse()
-               return filetocheck:sub(0,filetocheck:len()-backstring:find(DIR_DELIM)+1) ..randname
-       end
-
-end
+mt_color_blue  = "#6389FF"
+mt_color_green = "#72FF63"
+mt_color_dark_green = "#25C191"
+mt_color_orange  = "#FF8800"
+
+local menupath = core.get_mainmenu_path()
+local basepath = core.get_builtin_path()
+defaulttexturedir = core.get_texturepath_share() .. DIR_DELIM .. "base" ..
+                                       DIR_DELIM .. "pack" .. DIR_DELIM
 
---------------------------------------------------------------------------------
-function text2textlist(xpos,ypos,width,height,tl_name,textlen,text,transparency)
-       local textlines = engine.splittext(text,textlen)
-       
-       local retval = "textlist[" .. xpos .. "," .. ypos .. ";"
-                                                               .. width .. "," .. height .. ";"
-                                                               .. tl_name .. ";"
-       
-       for i=1, #textlines, 1 do
-               textlines[i] = textlines[i]:gsub("\r","")
-               retval = retval .. engine.formspec_escape(textlines[i]) .. ","
-       end
-       
-       retval = retval .. ";0;"
-       
-       if transparency then
-               retval = retval .. "true"
+dofile(basepath .. "common" .. DIR_DELIM .. "filterlist.lua")
+dofile(basepath .. "fstk" .. DIR_DELIM .. "buttonbar.lua")
+dofile(basepath .. "fstk" .. DIR_DELIM .. "dialog.lua")
+dofile(basepath .. "fstk" .. DIR_DELIM .. "tabview.lua")
+dofile(basepath .. "fstk" .. DIR_DELIM .. "ui.lua")
+dofile(menupath .. DIR_DELIM .. "async_event.lua")
+dofile(menupath .. DIR_DELIM .. "common.lua")
+dofile(menupath .. DIR_DELIM .. "pkgmgr.lua")
+dofile(menupath .. DIR_DELIM .. "serverlistmgr.lua")
+dofile(menupath .. DIR_DELIM .. "game_theme.lua")
+
+dofile(menupath .. DIR_DELIM .. "dlg_config_world.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_settings_advanced.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_contentstore.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_create_world.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_delete_content.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_delete_world.lua")
+dofile(menupath .. DIR_DELIM .. "dlg_rename_modpack.lua")
+
+local tabs = {}
+
+tabs.settings = dofile(menupath .. DIR_DELIM .. "tab_settings.lua")
+tabs.content  = dofile(menupath .. DIR_DELIM .. "tab_content.lua")
+tabs.about    = dofile(menupath .. DIR_DELIM .. "tab_about.lua")
+tabs.local_game = dofile(menupath .. DIR_DELIM .. "tab_local.lua")
+tabs.play_online = dofile(menupath .. DIR_DELIM .. "tab_online.lua")
+
+--------------------------------------------------------------------------------
+local function main_event_handler(tabview, event)
+       if event == "MenuQuit" then
+               core.close()
        end
-       
-       retval = retval .. "]"
-
-       return retval
+       return true
 end
 
 --------------------------------------------------------------------------------
-function init_globals()
-       --init gamedata
+local function init_globals()
+       -- Init gamedata
        gamedata.worldindex = 0
 
-       worldlist = filterlist.create(
-                                       engine.get_worlds,
-                                       compare_worlds,
-                                       function(element,uid)
-                                               if element.name == uid then
-                                                       return true
-                                               end
-                                               return false
-                                       end, --unique id compare fct
-                                       function(element,gameid)
-                                               if element.gameid == gameid then
-                                                       return true
-                                               end
-                                               return false
-                                       end --filter fct
-                                       )
-
-       filterlist.add_sort_mechanism(worldlist,"alphabetic",sort_worlds_alphabetic)
-       filterlist.set_sortmode(worldlist,"alphabetic")
-end
-
---------------------------------------------------------------------------------
-function update_menu()
-
-       local formspec
-
-       -- handle errors
-       if gamedata.errormessage ~= nil then
-               formspec = "size[12,5.2,true]" ..
-                       "textarea[1,2;10,2;;ERROR: " ..
-                       engine.formspec_escape(gamedata.errormessage) ..
-                       ";]"..
-                       "button[4.5,4.2;3,0.5;btn_error_confirm;" .. fgettext("Ok") .. "]"
-       else
-               formspec = tabbuilder.gettab()
-       end
-
-       engine.update_formspec(formspec)
-end
-
---------------------------------------------------------------------------------
-function menu.render_world_list()
-       local retval = ""
-
-       local current_worldlist = filterlist.get_list(worldlist)
-
-       for i,v in ipairs(current_worldlist) do
-               if retval ~= "" then
-                       retval = retval ..","
-               end
-
-               retval = retval .. engine.formspec_escape(v.name) ..
-                                       " \\[" .. engine.formspec_escape(v.gameid) .. "\\]"
-       end
-
-       return retval
-end
-
---------------------------------------------------------------------------------
-function menu.render_texture_pack_list(list)
-       local retval = ""
-
-       for i, v in ipairs(list) do
-               if retval ~= "" then
-                       retval = retval ..","
-               end
-
-               retval = retval .. engine.formspec_escape(v)
-       end
-
-       return retval
-end
-
---------------------------------------------------------------------------------
-function menu.asyncOnlineFavourites()
-       menu.favorites = {}
-       engine.handle_async(
-               function(param)
-                       --return core.get_favorites("online")
+       menudata.worldlist = filterlist.create(
+               core.get_worlds,
+               compare_worlds,
+               -- Unique id comparison function
+               function(element, uid)
+                       return element.name == uid
                end,
-               nil,
-               function(result)
-                       menu.favorites = result
-                       engine.event_handler("Refresh")
-               end
-               )
-end
-
---------------------------------------------------------------------------------
-function menu.init()
-       --init menu data
-       gamemgr.update_gamelist()
-
-       menu.last_game  = tonumber(engine.setting_get("main_menu_last_game_idx"))
-
-       if type(menu.last_game) ~= "number" then
-               menu.last_game = 1
-       end
-
-       if engine.setting_getbool("public_serverlist") then
-               menu.asyncOnlineFavourites()
-       else
-               menu.favorites = engine.get_favorites("local")
-       end
-
-       menu.defaulttexturedir = engine.get_texturepath_share() .. DIR_DELIM .. "base" ..
-                                       DIR_DELIM .. "pack" .. DIR_DELIM
-end
-
---------------------------------------------------------------------------------
-function menu.lastgame()
-       if menu.last_game > 0 and menu.last_game <= #gamemgr.games then
-               return gamemgr.games[menu.last_game]
-       end
-
-       if #gamemgr.games >= 1 then
-               menu.last_game = 1
-               return gamemgr.games[menu.last_game]
-       end
-
-       --error case!!
-       return nil
-end
-
---------------------------------------------------------------------------------
-function menu.update_last_game()
-
-       local current_world = filterlist.get_raw_element(worldlist,
-                                                       engine.setting_get("mainmenu_last_selected_world")
-                                                       )
-
-       if current_world == nil then
-               return
-       end
-
-       local gamespec, i = gamemgr.find_by_gameid(current_world.gameid)
-       if i ~= nil then
-               menu.last_game = i
-               engine.setting_set("main_menu_last_game_idx",menu.last_game)
-       end
-end
-
---------------------------------------------------------------------------------
-function menu.handle_key_up_down(fields,textlist,settingname)
-
-       if fields["key_up"] then
-               local oldidx = engine.get_textlist_index(textlist)
-
-               if oldidx ~= nil and oldidx > 1 then
-                       local newidx = oldidx -1
-                       engine.setting_set(settingname,
-                               filterlist.get_raw_index(worldlist,newidx))
-               end
-       end
-
-       if fields["key_down"] then
-               local oldidx = engine.get_textlist_index(textlist)
-
-               if oldidx ~= nil and oldidx < filterlist.size(worldlist) then
-                       local newidx = oldidx + 1
-                       engine.setting_set(settingname,
-                               filterlist.get_raw_index(worldlist,newidx))
-               end
-       end
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.dialog_create_world()
-       local mapgens = {"v6", "v7", "indev", "singlenode", "math"}
-
-       local current_seed = engine.setting_get("fixed_map_seed") or ""
-       local current_mg   = engine.setting_get("mg_name")
-
-       local mglist = ""
-       local selindex = 1
-       local i = 1
-       for k,v in pairs(mapgens) do
-               if current_mg == v then
-                       selindex = i
-               end
-               i = i + 1
-               mglist = mglist .. v .. ","
-       end
-       mglist = mglist:sub(1, -2)
-
-       local retval =
-               "label[2,0;" .. fgettext("World name") .. "]"..
-               "field[4.5,0.4;6,0.5;te_world_name;;]" ..
-
-               "label[2,1;" .. fgettext("Seed") .. "]"..
-               "field[4.5,1.4;6,0.5;te_seed;;".. current_seed .. "]" ..
-
-               "label[2,2;" .. fgettext("Mapgen") .. "]"..
-               "dropdown[4.2,2;6.3;dd_mapgen;" .. mglist .. ";" .. selindex .. "]" ..
-
-               "label[2,3;" .. fgettext("Game") .. "]"..
-               "textlist[4.2,3;5.8,2.3;games;" .. gamemgr.gamelist() ..
-               ";" .. menu.last_game .. ";true]" ..
-
-               "button[5,5.5;2.6,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
-               "button[7.5,5.5;2.8,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
-
-       return retval
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.dialog_delete_world()
-       return  "label[2,2;" ..
-                       fgettext("Delete World \"$1\"?", filterlist.get_raw_list(worldlist)[menu.world_to_del].name) .. "]"..
-                       "button[3.5,4.2;2.6,0.5;world_delete_confirm;" .. fgettext("Yes").. "]" ..
-                       "button[6,4.2;2.8,0.5;world_delete_cancel;" .. fgettext("No") .. "]"
-end
-
---------------------------------------------------------------------------------
-
-function tabbuilder.gettab()
-       local tsize = tabbuilder.tabsizes[tabbuilder.current_tab] or {width=12, height=5.2}
-       local retval = "size[" .. tsize.width .. "," .. tsize.height .. ",true]"
-
-       if tabbuilder.show_buttons then
-               retval = retval .. tabbuilder.tab_header()
-       end
-
-       local buildfunc = tabbuilder.tabfuncs[tabbuilder.current_tab]
-       if buildfunc ~= nil then
-               retval = retval .. buildfunc()
-       end
-
-       retval = retval .. modmgr.gettab(tabbuilder.current_tab)
-       retval = retval .. gamemgr.gettab(tabbuilder.current_tab)
-       retval = retval .. modstore.gettab(tabbuilder.current_tab)
-
-       return retval
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.handle_create_world_buttons(fields)
-
-       if fields["world_create_confirm"] or
-               fields["key_enter"] then
-
-               local worldname = fields["te_world_name"]
-               local gameindex = engine.get_textlist_index("games")
-
-               if gameindex ~= nil and
-                       worldname ~= "" then
-
-                       local message = nil
-
-                       if not filterlist.uid_exists_raw(worldlist,worldname) then
-                               engine.setting_set("mg_name",fields["dd_mapgen"])
-                               message = engine.create_world(worldname,gameindex)
-                       else
-                               message = fgettext("A world named \"$1\" already exists", worldname)
-                       end
-
-                       engine.setting_set("fixed_map_seed", fields["te_seed"])
-
-                       if message ~= nil then
-                               gamedata.errormessage = message
-                       else
-                               menu.last_game = gameindex
-                               engine.setting_set("main_menu_last_game_idx",gameindex)
-
-                               filterlist.refresh(worldlist)
-                               engine.setting_set("mainmenu_last_selected_world",
-                                                                       filterlist.raw_index_by_uid(worldlist,worldname))
-                       end
-               else
-                       gamedata.errormessage =
-                               fgettext("No worldname given or no game selected")
-               end
-       end
-
-       if fields["games"] then
-               tabbuilder.skipformupdate = true
-               return
-       end
-
-       --close dialog
-       tabbuilder.is_dialog = false
-       tabbuilder.show_buttons = true
-       tabbuilder.current_tab = engine.setting_get("main_menu_tab")
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.handle_delete_world_buttons(fields)
-
-       if fields["world_delete_confirm"] then
-               if menu.world_to_del > 0 and
-                       menu.world_to_del <= #filterlist.get_raw_list(worldlist) then
-                       engine.delete_world(menu.world_to_del)
-                       menu.world_to_del = 0
-                       filterlist.refresh(worldlist)
-               end
-       end
-
-       tabbuilder.is_dialog = false
-       tabbuilder.show_buttons = true
-       tabbuilder.current_tab = engine.setting_get("main_menu_tab")
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.handle_multiplayer_buttons(fields)
-
-       if fields["te_name"] ~= nil then
-               gamedata.playername = fields["te_name"]
-               engine.setting_set("name", fields["te_name"])
-       end
-
-       if fields["favourites"] ~= nil then
-               local event = engine.explode_textlist_event(fields["favourites"])
-               if event.type == "DCL" then
-                       if event.index <= #menu.favorites then
-                               gamedata.address = menu.favorites[event.index].address
-                               gamedata.port = menu.favorites[event.index].port
-                               gamedata.playername             = fields["te_name"]
-                               if fields["te_pwd"] ~= nil then
-                                       gamedata.password               = fields["te_pwd"]
-                               end
-                               gamedata.selected_world = 0
-
-                               if menu.favorites ~= nil then
-                                       gamedata.servername = menu.favorites[event.index].name
-                                       gamedata.serverdescription = menu.favorites[event.index].description
-                               end
-
-                               if gamedata.address ~= nil and
-                                       gamedata.port ~= nil then
-                                       engine.setting_set("address",gamedata.address)
-                                       engine.setting_set("remote_port",gamedata.port)
-                                       engine.start()
-                               end
-                       end
-               end
-
-               if event.type == "CHG" then
-                       if event.index <= #menu.favorites then
-                               local address = menu.favorites[event.index].address
-                               local port = menu.favorites[event.index].port
-
-                               if address ~= nil and
-                                       port ~= nil then
-                                       engine.setting_set("address",address)
-                                       engine.setting_set("remote_port",port)
-                               end
-
-                               menu.fav_selected = event.index
-                       end
-               end
-               return
-       end
-
-       if fields["key_up"] ~= nil or
-               fields["key_down"] ~= nil then
-
-               local fav_idx = engine.get_textlist_index("favourites")
-
-               if fav_idx ~= nil then
-                       if fields["key_up"] ~= nil and fav_idx > 1 then
-                               fav_idx = fav_idx -1
-                       else if fields["key_down"] and fav_idx < #menu.favorites then
-                               fav_idx = fav_idx +1
-                       end end
-               end
-
-               local address = menu.favorites[fav_idx].address
-               local port = menu.favorites[fav_idx].port
-
-               if address ~= nil and
-                       port ~= nil then
-                       engine.setting_set("address",address)
-                       engine.setting_set("remote_port",port)
-               end
-
-               menu.fav_selected = fav_idx
-               return
-       end
-
-       if fields["cb_public_serverlist"] ~= nil then
-               engine.setting_set("public_serverlist", fields["cb_public_serverlist"])
-
-               if engine.setting_getbool("public_serverlist") then
-                       menu.asyncOnlineFavourites()
-               else
-                       menu.favorites = engine.get_favorites("local")
-               end
-               menu.fav_selected = nil
-               return
-       end
-
-       if fields["btn_delete_favorite"] ~= nil then
-               local current_favourite = engine.get_textlist_index("favourites")
-               if current_favourite == nil then return end
-               engine.delete_favorite(current_favourite)
-               menu.favorites = engine.get_favorites()
-               menu.fav_selected = nil
-
-               engine.setting_set("address","")
-               engine.setting_set("remote_port","30000")
-
-               return
-       end
-
-       if fields["btn_mp_connect"] ~= nil or
-               fields["key_enter"] ~= nil then
-
-               gamedata.playername             = fields["te_name"]
-               gamedata.password               = fields["te_pwd"]
-               gamedata.address                = fields["te_address"]
-               gamedata.port                   = fields["te_port"]
-
-               local fav_idx = engine.get_textlist_index("favourites")
-
-               if fav_idx ~= nil and fav_idx <= #menu.favorites and
-                       menu.favorites[fav_idx].address == fields["te_address"] and
-                       menu.favorites[fav_idx].port    == fields["te_port"] then
-
-                       gamedata.servername                     = menu.favorites[fav_idx].name
-                       gamedata.serverdescription      = menu.favorites[fav_idx].description
-               else
-                       gamedata.servername                     = ""
-                       gamedata.serverdescription      = ""
-               end
-
-               gamedata.selected_world = 0
-
-               engine.setting_set("address",fields["te_address"])
-               engine.setting_set("remote_port",fields["te_port"])
-
-               engine.start()
-               return
-       end
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.handle_server_buttons(fields)
-
-       local world_doubleclick = false
-
-       if fields["srv_worlds"] ~= nil then
-               local event = engine.explode_textlist_event(fields["srv_worlds"])
-
-               if event.type == "DCL" then
-                       world_doubleclick = true
-               end
-               if event.type == "CHG" then
-                       engine.setting_set("mainmenu_last_selected_world",
-                               filterlist.get_raw_index(worldlist,engine.get_textlist_index("srv_worlds")))
-               end
-       end
-
-       menu.handle_key_up_down(fields,"srv_worlds","mainmenu_last_selected_world")
-
-       if fields["cb_creative_mode"] then
-               engine.setting_set("creative_mode", fields["cb_creative_mode"])
-       end
-
-       if fields["cb_enable_damage"] then
-               engine.setting_set("enable_damage", fields["cb_enable_damage"])
-       end
-
-       if fields["cb_server_announce"] then
-               engine.setting_set("server_announce", fields["cb_server_announce"])
-       end
-
-       if fields["start_server"] ~= nil or
-               world_doubleclick or
-               fields["key_enter"] then
-               local selected = engine.get_textlist_index("srv_worlds")
-               if selected ~= nil then
-                       gamedata.playername             = fields["te_playername"]
-                       gamedata.password               = fields["te_passwd"]
-                       gamedata.port                   = fields["te_serverport"]
-                       gamedata.address                = ""
-                       gamedata.selected_world = filterlist.get_raw_index(worldlist,selected)
-
-                       engine.setting_set("port",gamedata.port)
-                       if fields["te_serveraddr"] ~= nil then
-                               engine.setting_set("bind_address",fields["te_serveraddr"])
-                       end
-
-                       menu.update_last_game(gamedata.selected_world)
-                       engine.start()
-               end
-       end
-
-       if fields["world_create"] ~= nil then
-               tabbuilder.current_tab = "dialog_create_world"
-               tabbuilder.is_dialog = true
-               tabbuilder.show_buttons = false
-       end
-
-       if fields["world_delete"] ~= nil then
-               local selected = engine.get_textlist_index("srv_worlds")
-               if selected ~= nil and
-                       selected <= filterlist.size(worldlist) then
-                       local world = filterlist.get_list(worldlist)[selected]
-                       if world ~= nil and
-                               world.name ~= nil and
-                               world.name ~= "" then
-                               menu.world_to_del = filterlist.get_raw_index(worldlist,selected)
-                               tabbuilder.current_tab = "dialog_delete_world"
-                               tabbuilder.is_dialog = true
-                               tabbuilder.show_buttons = false
-                       else
-                               menu.world_to_del = 0
-                       end
-               end
-       end
-
-       if fields["world_configure"] ~= nil then
-               selected = engine.get_textlist_index("srv_worlds")
-               if selected ~= nil then
-                       modmgr.world_config_selected_world = filterlist.get_raw_index(worldlist,selected)
-                       if modmgr.init_worldconfig() then
-                               tabbuilder.current_tab = "dialog_configure_world"
-                               tabbuilder.is_dialog = true
-                               tabbuilder.show_buttons = false
-                       end
-               end
-       end
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.handle_settings_buttons(fields)
-       if fields["cb_fancy_trees"] then
-               engine.setting_set("new_style_leaves", fields["cb_fancy_trees"])
-       end
-       if fields["cb_smooth_lighting"] then
-               engine.setting_set("smooth_lighting", fields["cb_smooth_lighting"])
-       end
-       if fields["cb_3d_clouds"] then
-               engine.setting_set("enable_3d_clouds", fields["cb_3d_clouds"])
-       end
-       if fields["cb_opaque_water"] then
-               engine.setting_set("opaque_water", fields["cb_opaque_water"])
-       end
-
-       if fields["cb_mipmapping"] then
-               engine.setting_set("mip_map", fields["cb_mipmapping"])
-       end
-       if fields["cb_anisotrophic"] then
-               engine.setting_set("anisotropic_filter", fields["cb_anisotrophic"])
-       end
-       if fields["cb_bilinear"] then
-               engine.setting_set("bilinear_filter", fields["cb_bilinear"])
-       end
-       if fields["cb_trilinear"] then
-               engine.setting_set("trilinear_filter", fields["cb_trilinear"])
-       end
-
-       if fields["cb_shaders"] then
-               if (engine.setting_get("video_driver") == "direct3d8" or engine.setting_get("video_driver") == "direct3d9") then
-                       engine.setting_set("enable_shaders", "false")
-                       gamedata.errormessage = fgettext("To enable shaders the OpenGL driver needs to be used.")
-               else
-                       engine.setting_set("enable_shaders", fields["cb_shaders"])
-               end
-       end
-       if fields["cb_pre_ivis"] then
-               engine.setting_set("preload_item_visuals", fields["cb_pre_ivis"])
-       end
-       if fields["cb_particles"] then
-               engine.setting_set("enable_particles", fields["cb_particles"])
-       end
-       if fields["cb_bumpmapping"] then
-               engine.setting_set("enable_bumpmapping", fields["cb_bumpmapping"])
-       end
-       if fields["cb_parallax"] then
-               engine.setting_set("enable_parallax_occlusion", fields["cb_parallax"])
-       end
-       if fields["cb_generate_normalmaps"] then
-               engine.setting_set("generate_normalmaps", fields["cb_generate_normalmaps"])
-       end
-       if fields["cb_waving_water"] then
-               engine.setting_set("enable_waving_water", fields["cb_waving_water"])
-       end
-       if fields["cb_waving_leaves"] then
-               engine.setting_set("enable_waving_leaves", fields["cb_waving_leaves"])
-       end
-       if fields["cb_waving_plants"] then
-               engine.setting_set("enable_waving_plants", fields["cb_waving_plants"])
-       end
-       if fields["btn_change_keys"] ~= nil then
-               engine.show_keys_menu()
-       end
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.handle_singleplayer_buttons(fields)
-
-       local world_doubleclick = false
-
-       if fields["sp_worlds"] ~= nil then
-               local event = engine.explode_textlist_event(fields["sp_worlds"])
-
-               if event.type == "DCL" then
-                       world_doubleclick = true
-               end
-
-               if event.type == "CHG" then
-                       engine.setting_set("mainmenu_last_selected_world",
-                               filterlist.get_raw_index(worldlist,engine.get_textlist_index("sp_worlds")))
-               end
-       end
-
-       menu.handle_key_up_down(fields,"sp_worlds","mainmenu_last_selected_world")
-
-       if fields["cb_creative_mode"] then
-               engine.setting_set("creative_mode", fields["cb_creative_mode"])
-       end
-
-       if fields["cb_enable_damage"] then
-               engine.setting_set("enable_damage", fields["cb_enable_damage"])
-       end
-
-       if fields["play"] ~= nil or
-               world_doubleclick or
-               fields["key_enter"] then
-               local selected = engine.get_textlist_index("sp_worlds")
-               if selected ~= nil then
-                       gamedata.selected_world = filterlist.get_raw_index(worldlist,selected)
-                       gamedata.singleplayer   = true
-
-                       menu.update_last_game(gamedata.selected_world)
-
-                       engine.start()
+               -- Filter function
+               function(element, gameid)
+                       return element.gameid == gameid
                end
-       end
+       )
 
-       if fields["world_create"] ~= nil then
-               tabbuilder.current_tab = "dialog_create_world"
-               tabbuilder.is_dialog = true
-               tabbuilder.show_buttons = false
-       end
+       menudata.worldlist:add_sort_mechanism("alphabetic", sort_worlds_alphabetic)
+       menudata.worldlist:set_sortmode("alphabetic")
 
-       if fields["world_delete"] ~= nil then
-               local selected = engine.get_textlist_index("sp_worlds")
-               if selected ~= nil and
-                       selected <= filterlist.size(worldlist) then
-                       local world = filterlist.get_list(worldlist)[selected]
-                       if world ~= nil and
-                               world.name ~= nil and
-                               world.name ~= "" then
-                               menu.world_to_del = filterlist.get_raw_index(worldlist,selected)
-                               tabbuilder.current_tab = "dialog_delete_world"
-                               tabbuilder.is_dialog = true
-                               tabbuilder.show_buttons = false
-                       else
-                               menu.world_to_del = 0
-                       end
-               end
+       if not core.settings:get("menu_last_game") then
+               local default_game = core.settings:get("default_game") or "minetest"
+               core.settings:set("menu_last_game", default_game)
        end
 
-       if fields["world_configure"] ~= nil then
-               selected = engine.get_textlist_index("sp_worlds")
-               if selected ~= nil then
-                       modmgr.world_config_selected_world = filterlist.get_raw_index(worldlist,selected)
-                       if modmgr.init_worldconfig() then
-                               tabbuilder.current_tab = "dialog_configure_world"
-                               tabbuilder.is_dialog = true
-                               tabbuilder.show_buttons = false
-                       end
-               end
-       end
-end
+       mm_game_theme.init()
 
---------------------------------------------------------------------------------
-function tabbuilder.handle_texture_pack_buttons(fields)
-       if fields["TPs"] ~= nil then
-               local event = engine.explode_textlist_event(fields["TPs"])
-               if event.type == "CHG" or event.type == "DCL" then
-                       local index = engine.get_textlist_index("TPs")
-                       engine.setting_set("mainmenu_last_selected_TP",
-                               index)
-                       local list = filter_texture_pack_list(engine.get_dirlist(engine.get_texturepath(), true))
-                       local current_index = engine.get_textlist_index("TPs")
-                       if current_index ~= nil and #list >= current_index then
-                               local new_path = engine.get_texturepath()..DIR_DELIM..list[current_index]
-                               if list[current_index] == "None" then new_path = "" end
+       -- Create main tabview
+       local tv_main = tabview_create("maintab", {x = 12, y = 5.4}, {x = 0, y = 0})
 
-                               engine.setting_set("texture_path", new_path)
-                       end
-               end
-       end
-end
+       tv_main:set_autosave_tab(true)
+       tv_main:add(tabs.local_game)
+       tv_main:add(tabs.play_online)
 
---------------------------------------------------------------------------------
-function tabbuilder.tab_header()
-
-       if tabbuilder.last_tab_index == nil then
-               tabbuilder.last_tab_index = 1
-       end
-
-       local toadd = ""
+       tv_main:add(tabs.content)
+       tv_main:add(tabs.settings)
+       tv_main:add(tabs.about)
 
-       for i=1,#tabbuilder.current_buttons,1 do
+       tv_main:set_global_event_handler(main_event_handler)
+       tv_main:set_fixed_size(false)
 
-               if toadd ~= "" then
-                       toadd = toadd .. ","
-               end
-
-               toadd = toadd .. tabbuilder.current_buttons[i].caption
+       local last_tab = core.settings:get("maintab_LAST")
+       if last_tab and tv_main.current_tab ~= last_tab then
+               tv_main:set_tab(last_tab)
        end
-       return "tabheader[-0.3,-0.99;main_tab;" .. toadd ..";" .. tabbuilder.last_tab_index .. ";true;false]"
-end
 
---------------------------------------------------------------------------------
-function tabbuilder.handle_tab_buttons(fields)
-
-       if fields["main_tab"] then
-               local index = tonumber(fields["main_tab"])
-               tabbuilder.last_tab_index = index
-               tabbuilder.current_tab = tabbuilder.current_buttons[index].name
-
-               engine.setting_set("main_menu_tab",tabbuilder.current_tab)
-       end
-
-       --handle tab changes
-       if tabbuilder.current_tab ~= tabbuilder.old_tab then
-               if tabbuilder.current_tab ~= "singleplayer" and not tabbuilder.is_dialog then
-                       menu.update_gametype(true)
+       -- In case the folder of the last selected game has been deleted,
+       -- display "Minetest" as a header
+       if tv_main.current_tab == "local" then
+               local game = pkgmgr.find_by_gameid(core.settings:get("menu_last_game"))
+               if game == nil then
+                       mm_game_theme.reset()
                end
        end
 
-       if tabbuilder.current_tab == "singleplayer" then
-               menu.update_gametype()
-       end
+       ui.set_default("maintab")
+       tv_main:show()
 
-       tabbuilder.old_tab = tabbuilder.current_tab
+       ui.update()
 end
 
---------------------------------------------------------------------------------
-function tabbuilder.tab_multiplayer()
-
-       local retval =
-               "vertlabel[0,-0.25;".. fgettext("CLIENT") .. "]" ..
-               "label[1,-0.25;".. fgettext("Favorites:") .. "]"..
-               "label[1,4.25;".. fgettext("Address/Port") .. "]"..
-               "label[9,2.75;".. fgettext("Name/Password") .. "]" ..
-               "field[1.25,5.25;5.5,0.5;te_address;;" ..engine.setting_get("address") .."]" ..
-               "field[6.75,5.25;2.25,0.5;te_port;;" ..engine.setting_get("remote_port") .."]" ..
-               "checkbox[1,3.6;cb_public_serverlist;".. fgettext("Public Serverlist") .. ";" ..
-               dump(engine.setting_getbool("public_serverlist")) .. "]"
-
-       if not engine.setting_getbool("public_serverlist") then
-               retval = retval ..
-               "button[6.45,3.95;2.25,0.5;btn_delete_favorite;".. fgettext("Delete") .. "]"
-       end
-
-       retval = retval ..
-               "button[9,4.95;2.5,0.5;btn_mp_connect;".. fgettext("Connect") .. "]" ..
-               "field[9.3,3.75;2.5,0.5;te_name;;" ..engine.setting_get("name") .."]" ..
-               "pwdfield[9.3,4.5;2.5,0.5;te_pwd;]" ..
-               "textarea[9.3,0.25;2.5,2.75;;"
-       if menu.fav_selected ~= nil and
-               menu.favorites[menu.fav_selected].description ~= nil then
-               retval = retval ..
-                       engine.formspec_escape(menu.favorites[menu.fav_selected].description,true)
-       end
-
-       retval = retval ..
-               ";]" ..
-               "textlist[1,0.35;7.5,3.35;favourites;"
-
-       local render_details = engine.setting_getbool("public_serverlist")
-
-       if #menu.favorites > 0 then
-               retval = retval .. menu.render_favorite(menu.favorites[1],render_details)
-
-               for i=2,#menu.favorites,1 do
-                       retval = retval .. "," .. menu.render_favorite(menu.favorites[i],render_details)
-               end
-       end
-
-       if menu.fav_selected ~= nil then
-               retval = retval .. ";" .. menu.fav_selected .. "]"
-       else
-               retval = retval .. ";0]"
-       end
-
-       return retval
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.tab_server()
-
-       local index = filterlist.get_current_index(worldlist,
-                               tonumber(engine.setting_get("mainmenu_last_selected_world"))
-                               )
-
-       local retval =
-               "button[4,4.15;2.6,0.5;world_delete;".. fgettext("Delete") .. "]" ..
-               "button[6.5,4.15;2.8,0.5;world_create;".. fgettext("New") .. "]" ..
-               "button[9.2,4.15;2.55,0.5;world_configure;".. fgettext("Configure") .. "]" ..
-               "button[8.5,4.9;3.25,0.5;start_server;".. fgettext("Start Game") .. "]" ..
-               "label[4,-0.25;".. fgettext("Select World:") .. "]"..
-               "vertlabel[0,-0.25;".. fgettext("START SERVER") .. "]" ..
-               "checkbox[0.5,0.25;cb_creative_mode;".. fgettext("Creative Mode") .. ";" ..
-               dump(engine.setting_getbool("creative_mode")) .. "]"..
-               "checkbox[0.5,0.7;cb_enable_damage;".. fgettext("Enable Damage") .. ";" ..
-               dump(engine.setting_getbool("enable_damage")) .. "]"..
-               "checkbox[0.5,1.15;cb_server_announce;".. fgettext("Public") .. ";" ..
-               dump(engine.setting_getbool("server_announce")) .. "]"..
-               "field[0.8,3.2;3.5,0.5;te_playername;".. fgettext("Name") .. ";" ..
-               engine.setting_get("name") .. "]" ..
-               "pwdfield[0.8,4.2;3.5,0.5;te_passwd;".. fgettext("Password") .. "]"
-               
-       local bind_addr = engine.setting_get("bind_address")
-       if bind_addr ~= nil and bind_addr ~= "" then
-               retval = retval ..
-                       "field[0.8,5.2;2.25,0.5;te_serveraddr;".. fgettext("Bind Address") .. ";" ..
-                       engine.setting_get("bind_address") .."]" ..
-                       "field[3.05,5.2;1.25,0.5;te_serverport;".. fgettext("Port") .. ";" ..
-                       engine.setting_get("port") .."]"
-       else
-               retval = retval ..
-                       "field[0.8,5.2;3.5,0.5;te_serverport;".. fgettext("Server Port") .. ";" ..
-                       engine.setting_get("port") .."]"
-       end
-       
-       retval = retval ..
-               "textlist[4,0.25;7.5,3.7;srv_worlds;" ..
-               menu.render_world_list() ..
-               ";" .. index .. "]"
-
-       return retval
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.tab_settings()
-       tab_string =
-                       "vertlabel[0,0;" .. fgettext("SETTINGS") .. "]" ..
-                       "checkbox[1,0;cb_fancy_trees;".. fgettext("Fancy Trees") .. ";"
-                                       .. dump(engine.setting_getbool("new_style_leaves")) .. "]"..
-                       "checkbox[1,0.5;cb_smooth_lighting;".. fgettext("Smooth Lighting")
-                                       .. ";".. dump(engine.setting_getbool("smooth_lighting")) .. "]"..
-                       "checkbox[1,1;cb_3d_clouds;".. fgettext("3D Clouds") .. ";"
-                                       .. dump(engine.setting_getbool("enable_3d_clouds")) .. "]"..
-                       "checkbox[1,1.5;cb_opaque_water;".. fgettext("Opaque Water") .. ";"
-                                       .. dump(engine.setting_getbool("opaque_water")) .. "]"..
-                       "checkbox[1,2.0;cb_pre_ivis;".. fgettext("Preload item visuals") .. ";"
-                                       .. dump(engine.setting_getbool("preload_item_visuals")) .. "]"..
-                       "checkbox[1,2.5;cb_particles;".. fgettext("Enable Particles") .. ";"
-                                       .. dump(engine.setting_getbool("enable_particles"))     .. "]"..
-                       "checkbox[4.5,0;cb_mipmapping;".. fgettext("Mip-Mapping") .. ";"
-                                       .. dump(engine.setting_getbool("mip_map")) .. "]"..
-                       "checkbox[4.5,0.5;cb_anisotrophic;".. fgettext("Anisotropic Filtering") .. ";"
-                                       .. dump(engine.setting_getbool("anisotropic_filter")) .. "]"..
-                       "checkbox[4.5,1.0;cb_bilinear;".. fgettext("Bi-Linear Filtering") .. ";"
-                                       .. dump(engine.setting_getbool("bilinear_filter")) .. "]"..
-                       "checkbox[4.5,1.5;cb_trilinear;".. fgettext("Tri-Linear Filtering") .. ";"
-                                       .. dump(engine.setting_getbool("trilinear_filter")) .. "]"..
-
-                       "checkbox[8,0;cb_shaders;".. fgettext("Shaders") .. ";"
-                                       .. dump(engine.setting_getbool("enable_shaders")) .. "]"..
-                       "button[1,4.5;2.25,0.5;btn_change_keys;".. fgettext("Change keys") .. "]"
-
-       if engine.setting_getbool("enable_shaders") then
-               tab_string = tab_string ..
-                       "checkbox[8,0.5;cb_bumpmapping;".. fgettext("Bumpmapping") .. ";"
-                                       .. dump(engine.setting_getbool("enable_bumpmapping")) .. "]"..
-                       "checkbox[8,1.0;cb_parallax;".. fgettext("Parallax Occlusion") .. ";"
-                                       .. dump(engine.setting_getbool("enable_parallax_occlusion")) .. "]"..
-                       "checkbox[8,1.5;cb_generate_normalmaps;".. fgettext("Generate Normalmaps") .. ";"
-                                       .. dump(engine.setting_getbool("generate_normalmaps")) .. "]"..
-                       "checkbox[8,2.0;cb_waving_water;".. fgettext("Waving Water") .. ";"
-                                       .. dump(engine.setting_getbool("enable_waving_water")) .. "]"..
-                       "checkbox[8,2.5;cb_waving_leaves;".. fgettext("Waving Leaves") .. ";"
-                                       .. dump(engine.setting_getbool("enable_waving_leaves")) .. "]"..
-                       "checkbox[8,3.0;cb_waving_plants;".. fgettext("Waving Plants") .. ";"
-                                       .. dump(engine.setting_getbool("enable_waving_plants")) .. "]"
-       else
-               tab_string = tab_string ..
-                       "textlist[8.33,0.7;4,1;;#888888" .. fgettext("Bumpmapping") .. ";0;true]" ..
-                       "textlist[8.33,1.2;4,1;;#888888" .. fgettext("Parallax Occlusion") .. ";0;true]" ..
-                       "textlist[8.33,1.7;4,1;;#888888" .. fgettext("Generate Normalmaps") .. ";0;true]" ..
-                       "textlist[8.33,2.2;4,1;;#888888" .. fgettext("Waving Water") .. ";0;true]" ..
-                       "textlist[8.33,2.7;4,1;;#888888" .. fgettext("Waving Leaves") .. ";0;true]" ..
-                       "textlist[8.33,3.2;4,1;;#888888" .. fgettext("Waving Plants") .. ";0;true]"
-       end
-       return tab_string
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.tab_singleplayer()
-
-       local index = filterlist.get_current_index(worldlist,
-                               tonumber(engine.setting_get("mainmenu_last_selected_world"))
-                               )
-
-       return  "button[4,4.15;2.6,0.5;world_delete;".. fgettext("Delete") .. "]" ..
-                       "button[6.5,4.15;2.8,0.5;world_create;".. fgettext("New") .. "]" ..
-                       "button[9.2,4.15;2.55,0.5;world_configure;".. fgettext("Configure") .. "]" ..
-                       "button[8.5,4.95;3.25,0.5;play;".. fgettext("Play") .. "]" ..
-                       "label[4,-0.25;".. fgettext("Select World:") .. "]"..
-                       "vertlabel[0,-0.25;".. fgettext("SINGLE PLAYER") .. "]" ..
-                       "checkbox[0.5,0.25;cb_creative_mode;".. fgettext("Creative Mode") .. ";" ..
-                       dump(engine.setting_getbool("creative_mode")) .. "]"..
-                       "checkbox[0.5,0.7;cb_enable_damage;".. fgettext("Enable Damage") .. ";" ..
-                       dump(engine.setting_getbool("enable_damage")) .. "]"..
-                       "textlist[4,0.25;7.5,3.7;sp_worlds;" ..
-                       menu.render_world_list() ..
-                       ";" .. index .. "]" ..
-                       menubar.formspec
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.tab_texture_packs()
-       local retval = "label[4,-0.25;".. fgettext("Select texture pack:") .. "]"..
-                       "vertlabel[0,-0.25;".. fgettext("TEXTURE PACKS") .. "]" ..
-                       "textlist[4,0.25;7.5,5.0;TPs;"
-
-       local current_texture_path = engine.setting_get("texture_path")
-       local list = filter_texture_pack_list(engine.get_dirlist(engine.get_texturepath(), true))
-       local index = tonumber(engine.setting_get("mainmenu_last_selected_TP"))
-
-       if index == nil then index = 1 end
-
-       if current_texture_path == "" then
-               retval = retval ..
-                       menu.render_texture_pack_list(list) ..
-                       ";" .. index .. "]"
-               return retval
-       end
-
-       local infofile = current_texture_path ..DIR_DELIM.."info.txt"
-       local infotext = ""
-       local f = io.open(infofile, "r")
-       if f==nil then
-               infotext = fgettext("No information available")
-       else
-               infotext = f:read("*all")
-               f:close()
-       end
-
-       local screenfile = current_texture_path..DIR_DELIM.."screenshot.png"
-       local no_screenshot = nil
-       if not file_exists(screenfile) then
-               screenfile = nil
-               no_screenshot = menu.defaulttexturedir .. "no_screenshot.png"
-       end
-
-       return  retval ..
-                       menu.render_texture_pack_list(list) ..
-                       ";" .. index .. "]" ..
-                       "image[0.65,0.25;4.0,3.7;"..engine.formspec_escape(screenfile or no_screenshot).."]"..
-                       "textarea[1.0,3.25;3.7,1.5;;"..engine.formspec_escape(infotext or "")..";]"
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.tab_credits()
-       local logofile = menu.defaulttexturedir .. "logo.png"
-       return  "vertlabel[0,-0.5;CREDITS]" ..
-                       "label[0.5,3;Minetest " .. engine.get_version() .. "]" ..
-                       "label[0.5,3.3;http://minetest.net]" ..
-                       "image[0.5,1;" .. engine.formspec_escape(logofile) .. "]" ..
-                       "textlist[3.5,-0.25;8.5,5.8;list_credits;" ..
-                       "#FFFF00" .. fgettext("Core Developers") .."," ..
-                       "Perttu Ahola (celeron55) <celeron55@gmail.com>,"..
-                       "Ryan Kwolek (kwolekr) <kwolekr@minetest.net>,"..
-                       "PilzAdam <pilzadam@minetest.net>," ..
-                       "Ilya Zhuravlev (xyz) <xyz@minetest.net>,"..
-                       "Lisa Milne (darkrose) <lisa@ltmnet.com>,"..
-                       "Maciej Kasatkin (RealBadAngel) <mk@realbadangel.pl>,"..
-                       "proller <proler@gmail.com>,"..
-                       "sfan5 <sfan5@live.de>,"..
-                       "kahrl <kahrl@gmx.net>,"..
-                       "sapier,"..
-                       "ShadowNinja <shadowninja@minetest.net>,"..
-                       "Nathanael Courant (Nore/Novatux) <nore@mesecons.net>,"..
-                       "BlockMen,"..
-                       ","..
-                       "#FFFF00" .. fgettext("Active Contributors") .. "," ..
-                       "Vanessa Ezekowitz (VanessaE) <vanessaezekowitz@gmail.com>,"..
-                       "Jurgen Doser (doserj) <jurgen.doser@gmail.com>,"..
-                       "Jeija <jeija@mesecons.net>,"..
-                       "MirceaKitsune <mirceakitsune@gmail.com>,"..
-                       "dannydark <the_skeleton_of_a_child@yahoo.co.uk>,"..
-                       "0gb.us <0gb.us@0gb.us>,"..
-                       "," ..
-                       "#FFFF00" .. fgettext("Previous Contributors") .. "," ..
-                       "Guiseppe Bilotta (Oblomov) <guiseppe.bilotta@gmail.com>,"..
-                       "Jonathan Neuschafer <j.neuschaefer@gmx.net>,"..
-                       "Nils Dagsson Moskopp (erlehmann) <nils@dieweltistgarnichtso.net>,"..
-                       "Constantin Wenger (SpeedProg) <constantin.wenger@googlemail.com>,"..
-                       "matttpt <matttpt@gmail.com>,"..
-                       "JacobF <queatz@gmail.com>,"..
-                       ";0;true]"
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.init()
-       tabbuilder.tabfuncs = {
-               singleplayer  = tabbuilder.tab_singleplayer,
-               multiplayer   = tabbuilder.tab_multiplayer,
-               server        = tabbuilder.tab_server,
-               settings      = tabbuilder.tab_settings,
-               texture_packs = tabbuilder.tab_texture_packs,
-               credits       = tabbuilder.tab_credits,
-               dialog_create_world = tabbuilder.dialog_create_world,
-               dialog_delete_world = tabbuilder.dialog_delete_world
-       }
-
-       tabbuilder.tabsizes = {
-               dialog_create_world = {width=12, height=7},
-               dialog_delete_world = {width=12, height=5.2}
-       }
-
-       tabbuilder.current_tab = engine.setting_get("main_menu_tab")
-
-       if tabbuilder.current_tab == nil or
-               tabbuilder.current_tab == "" then
-               tabbuilder.current_tab = "singleplayer"
-               engine.setting_set("main_menu_tab",tabbuilder.current_tab)
-       end
-
-       --initialize tab buttons
-       tabbuilder.last_tab = nil
-       tabbuilder.show_buttons = true
-
-       tabbuilder.current_buttons = {}
-       table.insert(tabbuilder.current_buttons,{name="singleplayer", caption=fgettext("Singleplayer")})
-       table.insert(tabbuilder.current_buttons,{name="multiplayer", caption=fgettext("Client")})
-       table.insert(tabbuilder.current_buttons,{name="server", caption=fgettext("Server")})
-       table.insert(tabbuilder.current_buttons,{name="settings", caption=fgettext("Settings")})
-       table.insert(tabbuilder.current_buttons,{name="texture_packs", caption=fgettext("Texture Packs")})
-
-       if engine.setting_getbool("main_menu_game_mgr") then
-               table.insert(tabbuilder.current_buttons,{name="game_mgr", caption=fgettext("Games")})
-       end
-
-       if engine.setting_getbool("main_menu_mod_mgr") then
-               table.insert(tabbuilder.current_buttons,{name="mod_mgr", caption=fgettext("Mods")})
-       end
-       table.insert(tabbuilder.current_buttons,{name="credits", caption=fgettext("Credits")})
-
-
-       for i=1,#tabbuilder.current_buttons,1 do
-               if tabbuilder.current_buttons[i].name == tabbuilder.current_tab then
-                       tabbuilder.last_tab_index = i
-               end
-       end
-
-       if tabbuilder.current_tab ~= "singleplayer" then
-               menu.update_gametype(true)
-       else
-               menu.update_gametype()
-       end
-end
-
---------------------------------------------------------------------------------
-function tabbuilder.checkretval(retval)
-
-       if retval ~= nil then
-               if retval.current_tab ~= nil then
-                       tabbuilder.current_tab = retval.current_tab
-               end
-
-               if retval.is_dialog ~= nil then
-                       tabbuilder.is_dialog = retval.is_dialog
-               end
-
-               if retval.show_buttons ~= nil then
-                       tabbuilder.show_buttons = retval.show_buttons
-               end
-
-               if retval.skipformupdate ~= nil then
-                       tabbuilder.skipformupdate = retval.skipformupdate
-               end
-
-               if retval.ignore_menu_quit == true then
-                       tabbuilder.ignore_menu_quit = true
-               else
-                       tabbuilder.ignore_menu_quit = false
-               end
-       end
-end
-
---------------------------------------------------------------------------------
---------------------------------------------------------------------------------
--- initialize callbacks
---------------------------------------------------------------------------------
---------------------------------------------------------------------------------
-engine.button_handler = function(fields)
-       --print("Buttonhandler: tab: " .. tabbuilder.current_tab .. " fields: " .. dump(fields))
-
-       if fields["btn_error_confirm"] then
-               gamedata.errormessage = nil
-       end
-
-       local retval = modmgr.handle_buttons(tabbuilder.current_tab,fields)
-       tabbuilder.checkretval(retval)
-
-       retval = gamemgr.handle_buttons(tabbuilder.current_tab,fields)
-       tabbuilder.checkretval(retval)
-
-       retval = modstore.handle_buttons(tabbuilder.current_tab,fields)
-       tabbuilder.checkretval(retval)
-
-       if tabbuilder.current_tab == "dialog_create_world" then
-               tabbuilder.handle_create_world_buttons(fields)
-       end
-
-       if tabbuilder.current_tab == "dialog_delete_world" then
-               tabbuilder.handle_delete_world_buttons(fields)
-       end
-
-       if tabbuilder.current_tab == "singleplayer" then
-               tabbuilder.handle_singleplayer_buttons(fields)
-       end
-
-       if tabbuilder.current_tab == "texture_packs" then
-               tabbuilder.handle_texture_pack_buttons(fields)
-       end
-
-       if tabbuilder.current_tab == "multiplayer" then
-               tabbuilder.handle_multiplayer_buttons(fields)
-       end
-
-       if tabbuilder.current_tab == "settings" then
-               tabbuilder.handle_settings_buttons(fields)
-       end
-
-       if tabbuilder.current_tab == "server" then
-               tabbuilder.handle_server_buttons(fields)
-       end
-
-       --tab buttons
-       tabbuilder.handle_tab_buttons(fields)
-
-       --menubar buttons
-       menubar.handle_buttons(fields)
-
-       if not tabbuilder.skipformupdate then
-               --update menu
-               update_menu()
-       else
-               tabbuilder.skipformupdate = false
-       end
-end
-
---------------------------------------------------------------------------------
-engine.event_handler = function(event)
-       if event == "MenuQuit" then
-               if tabbuilder.is_dialog then
-                       if tabbuilder.ignore_menu_quit then
-                               return
-                       end
-
-                       tabbuilder.is_dialog = false
-                       tabbuilder.show_buttons = true
-                       tabbuilder.current_tab = engine.setting_get("main_menu_tab")
-                       menu.update_gametype()
-                       update_menu()
-               else
-                       engine.close()
-               end
-       end
-
-       if event == "Refresh" then
-               update_menu()
-       end
-end
-
---------------------------------------------------------------------------------
-function menu.update_gametype(reset)
-       local game = menu.lastgame()
-
-       if reset or game == nil then
-               mm_texture.reset()
-               engine.set_topleft_text("")
-               filterlist.set_filtercriteria(worldlist,nil)
-       else
-               mm_texture.update(tabbuilder.current_tab,game)
-               engine.set_topleft_text(game.name)
-               filterlist.set_filtercriteria(worldlist,game.id)
-       end
-end
-
---------------------------------------------------------------------------------
---------------------------------------------------------------------------------
--- menu startup
---------------------------------------------------------------------------------
---------------------------------------------------------------------------------
 init_globals()
-mm_texture.init()
-menu.init()
-tabbuilder.init()
-menubar.refresh()
-modstore.init()
-
-engine.sound_play("main_menu", true)
 
-update_menu()