1--
2-- SPDX-License-Identifier: BSD-2-Clause
3--
4-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
5-- All rights reserved.
6--
7-- Redistribution and use in source and binary forms, with or without
8-- modification, are permitted provided that the following conditions
9-- are met:
10-- 1. Redistributions of source code must retain the above copyright
11--    notice, this list of conditions and the following disclaimer.
12-- 2. Redistributions in binary form must reproduce the above copyright
13--    notice, this list of conditions and the following disclaimer in the
14--    documentation and/or other materials provided with the distribution.
15--
16-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19-- ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26-- SUCH DAMAGE.
27--
28
29local color = require("color")
30local core = require("core")
31
32local screen = {}
33
34-- Module exports
35screen.default_x = 0
36screen.default_y = 25
37
38function screen.clear()
39	printc(core.KEYSTR_CSI .. "H" .. core.KEYSTR_CSI .. "J")
40end
41
42function screen.setcursor(x, y)
43	printc(core.KEYSTR_CSI .. y .. ";" .. x .. "H")
44end
45
46function screen.setforeground(color_value)
47	if color.disabled then
48		return
49	end
50	printc(color.escapefg(color_value))
51end
52
53function screen.setbackground(color_value)
54	if color.disabled then
55		return
56	end
57	printc(color.escapebg(color_value))
58end
59
60function screen.defcolor()
61	printc(color.default())
62end
63
64function screen.defcursor()
65	screen.setcursor(screen.default_x, screen.default_y)
66end
67
68return screen
69