mirror of
git://git.code.sf.net/p/zsh/code
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60 lines
1.3 KiB
Text
60 lines
1.3 KiB
Text
emulate -L zsh
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setopt extendedglob
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local opt keys
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integer stat
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while getopts "k:" opt; do
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case $opt in
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# Read the given number of keys. This is a bit
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# ropey for more than a single key.
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(k)
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keys=$OPTARG
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;;
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(*)
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return 1
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;;
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esac
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done
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(( OPTIND > 1 )) && shift $(( OPTIND - 1 ))
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local readprompt="$1" lbuf_init="$2" rbuf_init="$3"
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integer savelim=$UNDO_LIMIT_NO changeno=$UNDO_CHANGE_NO
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{
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# Use anonymous function to make sure special values get restored,
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# even if this function is called as a widget.
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# local +h ensures special parameters stay special.
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() {
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local pretext="$PREDISPLAY$LBUFFER$RBUFFER$POSTDISPLAY
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"
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local +h LBUFFER="$lbuf_init"
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local +h RBUFFER="$rbuf_init"
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local +h PREDISPLAY="$pretext${readprompt:-? }"
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local +h POSTDISPLAY=
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local +h -a region_highlight
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region_highlight=("P${#pretext} ${#PREDISPLAY} bold")
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if [[ -n $keys ]]; then
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zle -R
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read -k $keys
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stat=$?
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else
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local NUMERIC
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unset NUMERIC
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zle split-undo
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UNDO_LIMIT_NO=$UNDO_CHANGE_NO
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zle recursive-edit -K main
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stat=$?
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(( stat )) || REPLY=$BUFFER
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fi
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}
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} always {
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# This removes the edits relating to the read from the undo history.
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# These aren't useful once we get back to the main editing buffer.
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zle undo $changeno
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UNDO_LIMIT_NO=savelim
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}
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return $stat
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