termclock revision da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# CDDL HEADER START
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# The contents of this file are subject to the terms of the
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# Common Development and Distribution License (the "License").
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# You may not use this file except in compliance with the License.
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# or http://www.opensolaris.org/os/licensing.
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# See the License for the specific language governing permissions
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c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# When distributing Covered Code, include this CDDL HEADER in each
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# If applicable, add the following below this CDDL HEADER, with the
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# fields enclosed by brackets "[]" replaced with your own identifying
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# information: Portions Copyright [yyyy] [name of copyright owner]
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# CDDL HEADER END
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# Use is subject to license terms.
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# ident "%Z%%M% %I% %E% SMI"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# termclock - a simple analog clock for terminals
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# Solaris needs /usr/xpg4/bin/ because the tools in /usr/bin are not POSIX-conformant
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# cache tput values (to avoid |fork()|'ing a "tput" child every second)
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek if [[ ${TERM} = ~(Elr)(vt100|vt220|xterm|xterm-color|dtterm) ]] ; then
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek c="$(printf "\E[%d;%dH" $((y+1)) $((x+1)))"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek for(( angle=0.0 ; angle < 360. ; angle+=6 )) ; do
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek tput_cup $(( y+clock.middle_y )) $(( x+clock.middle_x ))
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek (( x=(clock.len_x*(s/10.)*(length/100.))*cos(a) ))
0fbce082b59df2738e0c893f5251cb0116e1835bBill Cole (( y=(clock.len_y*(s/10.)*(length/100.))*sin(a) ))
0fbce082b59df2738e0c893f5251cb0116e1835bBill Cole tput_cup $(( y+clock.middle_y )) $(( x+clock.middle_x ))
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek draw_hand $(( 360.*(hand.val/hand.scale)-90. )) "${hand.ch}" ${hand.length}
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek draw_hand $(( 360.*(hand.val/hand.scale)-90. )) " " ${hand.length}
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek # note: we can't use subshells when writing to the double-buffer file because this
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek # will render the tput value cache useless
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek while true ; do
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek # "resize" is needed because older versions of ksh93 may have
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek # trouble with getting the right terminal size at startup
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek [ -x "/usr/X11/bin/resize" ] && eval "$(/usr/X11/bin/resize -u)" ||
401f3220d46a92cb6003eb2149a978ed239dee5fJosef 'Jeff' Sipek [ -x "/usr/X11R6/bin/resize" ] && eval "$(/usr/X11R6/bin/resize -u)" ||
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek [ -x "/usr/openwin/bin/resize" ] && eval "$(/usr/openwin/bin/resize -u)" ||
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek (( $(date +"hours.val=%H , minutes.val=%M , seconds.val=%S") ))
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek # small trick to get a smooth "analog" flair
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek 6<&- ; rm -f "${scratchfile}" ; exec 6<>"${scratchfile}"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek getopts -a "${progname}" "${USAGE}" OPT '-?'
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# program start
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# set clock properties
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekseconds.length=90 seconds.scale=60 seconds.ch="s"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekminutes.length=75 minutes.scale=60 minutes.ch="m"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekhours.length=50 hours.scale=12 hours.ch="h"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek@(#)\$Id: termclock (Roland Mainz) 2007-06-05 \$
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek[+NAME?termclock - analog clock for terminals]
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek[+DESCRIPTION?\btermclock\b is an analog clock for terminals.
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek The termclock program displays the time in analog or digital
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek form. The time is continuously updated at a frequency which
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek may be specified by the user.]
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek[u:update?Update interval (defaults to 0.9 seconds).]:[interval]
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek[+SEE ALSO?\bksh93\b(1), \bxclock\b(1)]
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekwhile getopts -a "${progname}" "${USAGE}" OPT ; do
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# printmsg "## OPT=|${OPT}|, OPTARG=|${OPTARG}|"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekwhich tput >/dev/null || fatal_error "tput not found."
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekwhich mktemp >/dev/null || fatal_error "mktemp not found."
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek(( update_interval < 0. || update_interval > 7200. )) && fatal_error "invalid update_interval value."
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# create temporary file for double-buffering and register an EXIT trap
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# to remove this file when the shell interpreter exits
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekscratchfile="$(mktemp /tmp/termclock.pid$$.XXXXXX)"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekif [ -z "${scratchfile}" ]; then exit 1; fi
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipekrm -f "${scratchfile}" ; exec 6<>"${scratchfile}"
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# regiter trap to handle window size changes
c9d76e2baf653fa5504d6849e5c1aae32eff3c53Josef 'Jeff' Sipek# exiting - put cursor below clock