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freebsd/stand/lua/screen.lua
Warner Losh 116c531459 Serial console menus for lua.
Remove a bunch of special cases for UEFI and serial consoles.  We do
want to do curses and menu things here. This makes us match what we do
in FORTH, with the possible exception of boxes around menus.

Differential Revision:  https://reviews.freebsd.org/D16816
2018-08-20 16:44:09 +00:00

71 lines
2.1 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
screen.default_x = 0
screen.default_y = 25
function screen.clear()
printc(core.KEYSTR_CSI .. "H" .. core.KEYSTR_CSI .. "J")
end
function screen.setcursor(x, y)
printc(core.KEYSTR_CSI .. y .. ";" .. x .. "H")
end
function screen.setforeground(color_value)
if color.disabled then
return color_value
end
printc(color.escapefg(color_value))
end
function screen.setbackground(color_value)
if color.disabled then
return color_value
end
printc(color.escapebg(color_value))
end
function screen.defcolor()
printc(color.default())
end
function screen.defcursor()
screen.setcursor(screen.default_x, screen.default_y)
end
return screen