241 lines
7.2 KiB
Lua
241 lines
7.2 KiB
Lua
--Minetest
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--Copyright (C) 2014 sapier
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--
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--This program is free software; you can redistribute it and/or modify
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--it under the terms of the GNU Lesser General Public License as published by
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--the Free Software Foundation; either version 3.0 of the License, or
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--(at your option) any later version.
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--
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--This program is distributed in the hope that it will be useful,
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--but WITHOUT ANY WARRANTY; without even the implied warranty of
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--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--GNU Lesser General Public License for more details.
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--
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--You should have received a copy of the GNU Lesser General Public License along
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--with this program; if not, write to the Free Software Foundation, Inc.,
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--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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ui = {}
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ui.childlist = {}
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ui.default = nil
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--------------------------------------------------------------------------------
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function ui.add(child)
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--TODO check child
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ui.childlist[child.name] = child
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return child.name
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end
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--------------------------------------------------------------------------------
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function ui.delete(child)
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if ui.childlist[child.name] == nil then
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return false
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end
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ui.childlist[child.name] = nil
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return true
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end
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--------------------------------------------------------------------------------
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function ui.set_default(name)
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ui.default = name
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end
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--------------------------------------------------------------------------------
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function ui.find_by_name(name)
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return ui.childlist[name]
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end
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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-- Internal functions not to be called from user
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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local function wordwrap_quickhack(str)
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local res = ""
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local ar = str:split("\n")
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for i = 1, #ar do
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local text = ar[i]
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-- Hack to add word wrapping.
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-- TODO: Add engine support for wrapping in formspecs
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while #text > 80 do
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if res ~= "" then
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res = res .. ","
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end
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res = res .. core.formspec_escape(string.sub(text, 1, 79))
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text = string.sub(text, 80, #text)
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end
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if res ~= "" then
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res = res .. ","
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end
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res = res .. core.formspec_escape(text)
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end
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return res
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end
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--------------------------------------------------------------------------------
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function ui.update()
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local formspec = ""
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local restart_btn
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-- attempt auto restart
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if gamedata ~= nil and gamedata.errormessage ~= nil and
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core.settings:get_bool("auto_connect") == true and
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tonumber(core.settings:get("connect_time")) < os.time() - 30 --[[and
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not string.find(gamedata.errormessage, "Access denied")]] then
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if core.settings:get("maintab_LAST") == "local" then
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gamedata.singleplayer = true
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gamedata.selected_world =
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tonumber(core.settings:get("mainmenu_last_selected_world"))
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end
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core.settings:set("connect_time", os.time())
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gamedata.reconnect_requested = false
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gamedata.errormessage = nil
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gamedata.do_reconnect = true
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core.start()
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return
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end
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-- handle errors
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if gamedata ~= nil and gamedata.reconnect_requested then
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formspec = wordwrap_quickhack(gamedata.errormessage or "")
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formspec = "size[12,5]" ..
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"label[0.5,0;" .. fgettext("The server has requested a reconnect:") ..
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"]textlist[0.2,0.8;11.5,3.5;;" .. formspec ..
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"]button[6,4.6;3,0.5;btn_reconnect_no;" .. fgettext("Close") .. "]" ..
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"button[3,4.6;3,0.5;btn_reconnect_yes;" .. fgettext("Reconnect") .. "]"
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elseif gamedata ~= nil and gamedata.errormessage ~= nil then
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formspec = wordwrap_quickhack(gamedata.errormessage)
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local error_title
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if string.find(gamedata.errormessage, "ModError") then
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error_title = fgettext("An error occured in a Lua script, such as a mod:")
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else
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error_title = fgettext("An error occured:")
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end
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if core.settings:get("maintab_LAST") == "local" and
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tonumber(core.settings:get("connect_time")) < os.time() - 30 then
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restart_btn = "]button[6,4.6;3,0.5;btn_reconnect_no;" .. fgettext("Close") .. "]" ..
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"button[3,4.6;3,0.5;btn_reconnect_yes;" .. fgettext("Restart") .. "]"
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else
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restart_btn = "]button[4.5,4.6;3,0.5;btn_error_confirm;" .. fgettext("Close") .. "]"
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end
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formspec = "size[12,5]" ..
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"label[0.5,0;" .. error_title ..
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"]textlist[0.2,0.8;11.5,3.5;;" .. formspec ..
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restart_btn
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else
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local active_toplevel_ui_elements = 0
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for key,value in pairs(ui.childlist) do
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if (value.type == "toplevel") then
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local retval = value:get_formspec()
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if retval ~= nil and retval ~= "" then
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active_toplevel_ui_elements = active_toplevel_ui_elements +1
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formspec = formspec .. retval
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end
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end
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end
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-- no need to show addons if there ain't a toplevel element
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if (active_toplevel_ui_elements > 0) then
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for key,value in pairs(ui.childlist) do
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if (value.type == "addon") then
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local retval = value:get_formspec()
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if retval ~= nil and retval ~= "" then
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formspec = formspec .. retval
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end
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end
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end
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end
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if (active_toplevel_ui_elements > 1) then
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core.log("warning", "more than one active ui "..
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"element, self most likely isn't intended")
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end
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if (active_toplevel_ui_elements == 0) then
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core.log("warning", "no toplevel ui element "..
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"active; switching to default")
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ui.childlist[ui.default]:show()
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formspec = ui.childlist[ui.default]:get_formspec()
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end
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end
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core.update_formspec(formspec)
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end
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--------------------------------------------------------------------------------
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function ui.handle_buttons(fields)
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for key,value in pairs(ui.childlist) do
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local retval = value:handle_buttons(fields)
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if retval then
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ui.update()
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return
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end
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end
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end
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--------------------------------------------------------------------------------
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function ui.handle_events(event)
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for key,value in pairs(ui.childlist) do
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if value.handle_events ~= nil then
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local retval = value:handle_events(event)
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if retval then
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return retval
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end
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end
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end
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end
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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-- initialize callbacks
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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core.button_handler = function(fields)
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if fields["btn_reconnect_yes"] then
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if core.settings:get("maintab_LAST") == "local" then
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gamedata.singleplayer = true
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gamedata.selected_world =
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tonumber(core.settings:get("mainmenu_last_selected_world"))
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end
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core.settings:set("connect_time", os.time())
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gamedata.reconnect_requested = false
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gamedata.errormessage = nil
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gamedata.do_reconnect = true
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core.start()
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return
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elseif fields["btn_reconnect_no"] or fields["btn_error_confirm"] then
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gamedata.errormessage = nil
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gamedata.reconnect_requested = false
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ui.update()
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return
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end
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if ui.handle_buttons(fields) then
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ui.update()
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end
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end
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--------------------------------------------------------------------------------
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core.event_handler = function(event)
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if ui.handle_events(event) then
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ui.update()
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return
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end
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if event == "Refresh" then
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ui.update()
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return
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end
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end
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