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101 lines
3.3 KiB
Groff
101 lines
3.3 KiB
Groff
.\"
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.\" SPDX-License-Identifier: BSD-2-Clause
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.\"
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.\" Copyright (c) 2018 Kyle Evans <kevans@FreeBSD.org>
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd August 19, 2018
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.Dt SCREEN.LUA 8
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.Os
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.Sh NAME
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.Nm screen.lua
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.Nd FreeBSD screen manipulation module
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.Sh DESCRIPTION
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.Nm
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contains functionality for manipulating the screen.
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This includes functionality such as clearing the screen, moving the cursor, and
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setting foreground/background colors using sequences provided by
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.Xr color.lua 8 .
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.Pp
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Before using the functionality provided by
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.Nm ,
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it must be included with a statement such as the following:
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.Pp
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.Dl local screen = require("screen")
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.Pp
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The following variables are exported from
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.Nm :
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.Bl -tag -width "Ic screen.default_x" -offset indent
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.It Ic screen.default_x
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The x component of the default cursor position.
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.It Ic screen.default_y
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The y component of the default cursor position.
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.El
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.Pp
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The following functions are exported from
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.Nm :
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.Bl -tag -width "Fn screen.clear" -offset indent
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.It Fn screen.clear
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Clears the screen.
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.Fn screen.clear
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will do nothing if a serial boot is detected.
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.It Fn screen.setcursor x y
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Sets the cursor position to
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.Fa x ,
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.Fa y .
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.Fn screen.setcursor
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will do nothing if a serial boot is detected.
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.It Fn screen.setforeground color_value
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Sets the foreground color to
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.Fa color_value ,
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which should be a constant defined in
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.Xr color.lua 8 .
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.Fn screen.setforeground
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will do nothing if color is disabled.
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.It Fn screen.setbackground color_value
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Sets the background color to
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.Fa color_value ,
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which should be a constant defined in
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.Xr color.lua 8 .
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.Fn screen.setbackground
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will do nothing if color is disabled.
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.It Fn screen.defcolor
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Sets the default color scheme, as defined by
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.Fn color.default .
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.Fn screen.defcolor
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will do nothing if color is disabled.
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.It Fn screen.defcursor
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Sets the default cursor position to that defined by
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.Ic screen.default_x ,
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.Ic screen.default_y .
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.El
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.Sh SEE ALSO
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.Xr color.lua 8
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.Sh AUTHORS
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The
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.Nm
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file was originally written by
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.An Pedro Souza Aq Mt pedrosouza@FreeBSD.org .
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Later work and this manual page was done by
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.An Kyle Evans Aq Mt kevans@FreeBSD.org .
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