# read-within-zle - read a line within a zle widget
# Copyright (C) 2001,2002 Philippe Troin <phil@fifi.org>
#
# $Id: read-within-zle,v 1.3 2002/12/19 02:46:43 phil Exp $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

emulate -L zsh

local prompt=$1 
local lastkey='' 
# input is the returned string
input='' 
while :
do
  zle -R "$prompt$input"
  read -k lastkey || return 1
  case $lastkey in
    (
) return 0 ;;
    () return 1 ;;
    () input="" ;;
    () input=$input[1,$(($#input-1))] ;;
    (*)  input="$input$lastkey" ;;
  esac
done