opnsense-src/stand/lua/screen.lua
Kyle Evans d5b2439e5d lualoader: Replace instances of \027 with KEYSTR_ESCAPE
With exception to drawing bits, which should probably be kept as-is to not
make a mess out of things.

Reported by:	rpokala (a while ago)
2018-02-27 21:52:22 +00:00

95 lines
2.6 KiB
Lua

--
-- SPDX-License-Identifier: BSD-2-Clause-FreeBSD
--
-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in the
-- documentation and/or other materials provided with the distribution.
--
-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-- SUCH DAMAGE.
--
-- $FreeBSD$
--
local color = require("color")
local core = require("core")
local screen = {}
-- Module exports
function screen.clear()
if core.isSerialBoot() then
return
end
loader.printc(core.KEYSTR_ESCAPE .. "[H" .. core.KEYSTR_ESCAPE .. "[J")
end
function screen.setcursor(x, y)
if core.isSerialBoot() then
return
end
loader.printc(core.KEYSTR_ESCAPE .. "[" .. y .. ";" .. x .. "H")
end
function screen.movecursor(dx, dy)
if core.isSerialBoot() then
return
end
if dx < 0 then
loader.printc(core.KEYSTR_ESCAPE .. "[" .. -dx .. "D")
elseif dx > 0 then
loader.printc(core.KEYSTR_ESCAPE .. "[" .. dx .. "C")
end
if dy < 0 then
loader.printc(core.KEYSTR_ESCAPE .. "[" .. -dy .. "A")
elseif dy > 0 then
loader.printc(core.KEYSTR_ESCAPE .. "[" .. dy .. "B")
end
end
function screen.setforeground(color_value)
if color.disabled then
return color_value
end
loader.printc(color.escapef(color_value))
end
function screen.setbackground(color_value)
if color.disabled then
return color_value
end
loader.printc(color.escapeb(color_value))
end
function screen.defcolor()
loader.printc(color.default())
end
function screen.defcursor()
if core.isSerialBoot() then
return
end
loader.printc(core.KEYSTR_ESCAPE .. "[25;0H")
end
return screen