#!/bin/bash

export PROMPT="$1"
export XID="$2"
export FILENAME="$3"

exec urxvt -geometry 120x16 -transient-for "$2" +sb -e bash -c '
   echo "gtk bash file chooser"
   echo "cwd: $PWD"
   read -p "$PROMPT" -e -r
   REPLY=$(eval echo "$REPLY")
   case "$REPLY" in
      /* ) printf "%s" "$REPLY" >&5 ;;
      *  ) printf "%s/%s" "$PWD" "$REPLY" >&5 ;;
   esac
' 5>&1