mirror of
git://git.code.sf.net/p/zsh/code
synced 2024-11-19 13:33:52 +01:00
129 lines
3.5 KiB
Plaintext
129 lines
3.5 KiB
Plaintext
# Autoload this function, run `zle -N <func-name>' and bind <func-name>
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# to a key.
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# This allows incremental completion of a word. After starting this
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# command, a list of completion choices can be shown after every character
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# you type, which you can delete with ^h or DEL. RET will accept the
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# completion so far. You can hit TAB to do normal completion, ^g to
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# abort back to the state when you started, and ^d to list the matches.
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#
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# This works only with the new function based completion system.
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# The main widget function.
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incremental-complete-word() {
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#emulate -L zsh
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unsetopt autolist menucomplete automenu # doesn't work well
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local key lbuf="$LBUFFER" rbuf="$RBUFFER" pmpt pstr word
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local lastl lastr wid twid num post toolong
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local curcontext="${curcontext}" stop brk
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[[ -z "$curcontext" ]] && curcontext=:::
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curcontext="incremental:${curcontext#*:}"
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zstyle -s ":incremental" prompt pmpt ||
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pmpt='incremental (%c): %u%s %l'
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zstyle -s ":incremental" stop-keys stop
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zstyle -s ":incremental" break-keys brk
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if zstyle -t ":incremental" list; then
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wid=list-choices
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post=( icw-list-helper )
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else
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wid=complete-word
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post=()
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fi
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comppostfuncs=( "$post[@]" )
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zle $wid "$@"
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LBUFFER="$lbuf"
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RBUFFER="$rbuf"
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num=$_lastcomp[nmatches]
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if (( ! num )); then
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word=''
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state='-no match-'
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elif [[ "${LBUFFER}${RBUFFER}" = *${_lastcomp[unambiguous]}* ]]; then
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word=''
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state='-no prefix-'
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else
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word="${_lastcomp[unambiguous]}"
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state=''
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fi
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zformat -f pstr "$pmpt" "u:${word}" "s:$state" "n:$num" \
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"l:$toolong" "c:${_lastcomp[completer][2,-1]}"
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zle -R "$pstr"
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read -k key
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while [[ '#key' -ne '#\\r' && '#key' -ne '#\\n' &&
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'#key' -ne '#\\C-g' ]]; do
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twid=$wid
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if [[ "$key" = ${~stop} ]]; then
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zle -U "$key"
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return
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elif [[ "$key" = ${~brk} ]]; then
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return
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elif [[ '#key' -eq '#\\C-h' || '#key' -eq '#\\C-?' ]]; then
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[[ $#LBUFFER -gt $#l ]] && LBUFFER="$LBUFFER[1,-2]"
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elif [[ '#key' -eq '#\\t' ]]; then
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zle complete-word "$@"
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lbuf="$LBUFFER"
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rbuf="$RBUFFER"
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elif [[ '#key' -eq '#\\C-d' ]]; then
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twid=list-choices
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else
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LBUFFER="$LBUFFER$key"
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fi
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if (( ! PENDING )); then
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lastl="$LBUFFER"
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lastr="$RBUFFER"
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[[ "$twid" = "$wid" ]] && comppostfuncs=( "$post[@]" )
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toolong=''
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zle $twid "$@"
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LBUFFER="$lastl"
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RBUFFER="$lastr"
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num=$_lastcomp[nmatches]
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if (( ! num )); then
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word=''
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state='-no match-'
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elif [[ "${LBUFFER}${RBUFFER}" = *${_lastcomp[unambiguous]}* ]]; then
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word=''
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state='-no prefix-'
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else
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word="${_lastcomp[unambiguous]}"
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state=''
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fi
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zformat -f pstr "$pmpt" "u:${word}" "s:$state" "n:$num" \
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"l:$toolong" "c:${_lastcomp[completer][2,-1]}"
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zle -R "$pstr"
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else
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zle -R
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fi
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read -k key
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done
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if [[ '#key' -eq '#\\C-g' ]]; then
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LBUFFER="$lbuf"
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RBUFFER="$rbuf"
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fi
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zle -Rc
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}
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# Helper function used as a completion post-function used to make sure that
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# the list of matches in only shown if it fits on the screen.
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icw-list-helper() {
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# +1 for the status line we will add...
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if [[ compstate[list_lines]+BUFFERLINES+1 -gt LINES ]]; then
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compstate[list]='list explanations messages'
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[[ compstate[list_lines]+BUFFERLINES+1 -gt LINES ]] && compstate[list]=''
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toolong='...'
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fi
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}
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incremental-complete-word "$@"
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