bash_ui/height_width at master · cdrubin/bash_ui · GitHub

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# !/bin/bash


# internal variables
_sx=0  # "set x"  }  set with setxy
_sy=0  # "set y"  }
_gx=0    # "goto x"  }  used by gotoxy
_gy=0    # "goto y"  }
_width=0   # number of columns
_height=0  # number of rows


function setxy() {
    exec < /dev/tty
    local _oldstty=$(stty -g)
    stty raw -echo min 0
    echo -en "\033[6n" > /dev/tty
    IFS=';' read -r -d R -a pos
    stty $_oldstty
    _sx=$((${pos[1]} - 1))
    _sy=$((${pos[0]:2}))
}

function gotoxy() {
    echo -en "\033[${_gy};0H"
    echo -en "\033[${_gx}C"
}


function init() {
    local _oldstty=$(stty -g)
    stty raw -echo min 0
    echo -en "\033[1000C" > /dev/tty
    echo -en "\033[1000;0h" > /dev/tty
    setxy
    _width = _sx
    _height = _sy
    stty $_oldstty
}


#function clear_screen() {
#}


#set_width
#echo $_width

#echo -n "Hello"
#set_row
#echo col: $_col, row: $_row

#set_col_row
#_desired_col=$((_col - 1)); _desired_row=$((_row - 1)); goto_desired_col_desired_row
#echo "BOO"
#_desired_col=$_col; _desired_row=$_row; goto_desired_col_desired_row

_gx=0; _gy=0; gotoxy; echo -n "Moo"; setxy
sleep 1; gotoxy; echo -n "Zoo"
sleep 1; gotoxy; echo -n "Shoe"
sleep 1; _gx=$_sx; _gy=$_sy; gotoxy; echo ", Moo again"

#_gx=$_sx; _gy=$_sy; gotoxy; sleep 1; echo "You"