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authororwell96 <mono96.mml@gmail.com>2016-06-09 21:50:11 +0200
committerorwell96 <mono96.mml@gmail.com>2016-06-09 21:50:11 +0200
commit77de1965f95924ffc9086786bcb22ec02d9a8e19 (patch)
tree96779f349b3d7ca7dc0565a0a67cafd4dcb537e8 /textures_gravelback/advtrains_track_swr_cr.png
parent14a71703321cd9d817275cb976fba10a0d6b4386 (diff)
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fix discouple appearing on wrong side on flipped wagons, and show discouples only when train stands
Diffstat (limited to 'textures_gravelback/advtrains_track_swr_cr.png')
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generated by cgit v1.2.3 (git 2.39.1) at 2025-02-21 05:37:10 +0000
1' href='#n151'>151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 
--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.

ui = {}
ui.childlist = {}
ui.default = nil

--------------------------------------------------------------------------------
function ui.add(child)
	--TODO check child
	ui.childlist[child.name] = child

	return child.name
end

--------------------------------------------------------------------------------
function ui.delete(child)

	if ui.childlist[child.name] == nil then
		return false
	end

	ui.childlist[child.name] = nil
	return true
end

--------------------------------------------------------------------------------
function ui.set_default(name)
	ui.default = name
end

--------------------------------------------------------------------------------
function ui.find_by_name(name)
	return ui.childlist[name]
end

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- Internal functions not to be called from user
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

function ui.update()
	local formspec = {}

	-- handle errors
	if gamedata ~= nil and gamedata.reconnect_requested then
		local error_message = core.formspec_escape(
				gamedata.errormessage or "<none available>")
		formspec = {
			"size[14,8]",
			"real_coordinates[true]",
			"box[0.5,1.2;13,5;#000]",
			("textarea[0.5,1.2;13,5;;%s;%s]"):format(
				fgettext("The server has requested a reconnect:"), error_message),
			"button[2,6.6;4,1;btn_reconnect_yes;" .. fgettext("Reconnect") .. "]",
			"button[8,6.6;4,1;btn_reconnect_no;" .. fgettext("Main menu") .. "]"
		}
	elseif gamedata ~= nil and gamedata.errormessage ~= nil then
		local error_message = core.formspec_escape(gamedata.errormessage)

		local error_title
		if string.find(gamedata.errormessage, "ModError") then
			error_title = fgettext("An error occurred in a Lua script:")
		else
			error_title = fgettext("An error occurred:")
		end
		formspec = {
			"size[14,8]",
			"real_coordinates[true]",
			"box[0.5,1.2;13,5;#000]",
			("textarea[0.5,1.2;13,5;;%s;%s]"):format(
				error_title, error_message),
			"button[5,6.6;4,1;btn_error_confirm;" .. fgettext("Ok") .. "]"
		}
	else
		local active_toplevel_ui_elements = 0
		for key,value in pairs(ui.childlist) do
			if (value.type == "toplevel") then
				local retval = value:get_formspec()

				if retval ~= nil and retval ~= "" then
					active_toplevel_ui_elements = active_toplevel_ui_elements + 1
					table.insert(formspec, retval)
				end
			end
		end

		-- no need to show addons if there ain't a toplevel element
		if (active_toplevel_ui_elements > 0) then
			for key,value in pairs(ui.childlist) do
				if (value.type == "addon") then
					local retval = value:get_formspec()

					if retval ~= nil and retval ~= "" then
						table.insert(formspec, retval)
					end
				end
			end
		end

		if (active_toplevel_ui_elements > 1) then
			core.log("warning", "more than one active ui "..
				"element, self most likely isn't intended")
		end

		if (active_toplevel_ui_elements == 0) then
			core.log("warning", "no toplevel ui element "..
					"active; switching to default")
			ui.childlist[ui.default]:show()
			formspec = {ui.childlist[ui.default]:get_formspec()}
		end
	end
	core.update_formspec(table.concat(formspec))
end

--------------------------------------------------------------------------------
function ui.handle_buttons(fields)
	for key,value in pairs(ui.childlist) do

		local retval = value:handle_buttons(fields)

		if retval then
			ui.update()
			return
		end
	end
end


--------------------------------------------------------------------------------
function ui.handle_events(event)

	for key,value in pairs(ui.childlist) do

		if value.handle_events ~= nil then
			local retval = value:handle_events(event)

			if retval then
				return retval
			end
		end
	end
end

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- initialize callbacks
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
core.button_handler = function(fields)
	if fields["btn_reconnect_yes"] then
		gamedata.reconnect_requested = false
		gamedata.errormessage = nil
		gamedata.do_reconnect = true
		core.start()
		return
	elseif fields["btn_reconnect_no"] or fields["btn_error_confirm"] then
		gamedata.errormessage = nil
		gamedata.reconnect_requested = false
		ui.update()
		return
	end

	if ui.handle_buttons(fields) then
		ui.update()
	end
end

--------------------------------------------------------------------------------
core.event_handler = function(event)
	if ui.handle_events(event) then
		ui.update()
		return
	end

	if event == "Refresh" then
		ui.update()
		return
	end
end