\ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org> \ Copyright (c) 2015 Devin Teske <dteske@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. \ \ $FreeBSD$ marker task-screen.4th \ emit Esc-[ : escc ( -- ) 27 emit [char] [ emit ; \ Home cursor ( Esc-[H ) : ho ( -- ) escc [char] H emit ; \ Clear from current position to end of display ( Esc-[J ) : cld ( -- ) escc [char] J emit ; \ clear screen : clear ( -- ) ho cld ; \ move cursor to x rows, y cols (1-based coords) ( Esc-[%d;%dH ) : at-xy ( x y -- ) escc .# [char] ; emit .# [char] H emit ; \ Set foreground color ( Esc-[3%dm ) : fg ( x -- ) escc 3 .# .# [char] m emit ; \ Set background color ( Esc-[4%dm ) : bg ( x -- ) escc 4 .# .# [char] m emit ; \ Mode end (clear attributes) : me ( -- ) escc [char] m emit ; \ Enable bold mode ( Esc-[1m ) : b ( -- ) escc 1 .# [char] m emit ; \ Disable bold mode ( Esc-[22m ) : -b ( -- ) escc 22 .# [char] m emit ; \ Enable inverse foreground/background mode ( Esc-[7m ) : inv ( -- ) escc 7 .# [char] m emit ; \ Disable inverse foreground/background mode ( Esc-[27m ) : -inv ( -- ) escc 27 .# [char] m emit ; \ Convert all occurrences of given character (c) in string (c-addr/u) to Esc : escc! ( c-addr/u c -- c-addr/u ) 2 pick 2 pick begin dup 0> while over c@ 3 pick = if over 27 swap c! then 1- swap 1+ swap repeat 2drop drop ;