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# Edit the command line using your usual editor.
# Binding this to '!' in the vi command mode map,
# autoload -Uz edit-command-line
# zle -N edit-command-line
# bindkey -M vicmd '!' edit-command-line
# will give ksh-like behaviour for that key,
# except that it will handle multi-line buffers properly.
emulate -L zsh
local left right prebuffer buffer=$BUFFER lbuffer=$LBUFFER
# set up parameters depending on which context we are called from,
# see below comment for more details
if (( REGION_ACTIVE )); then
if (( CURSOR < MARK )); then
left=$CURSOR right=$MARK
lbuffer=
else
left=$MARK right=$CURSOR
lbuffer[right-left,-1]=
fi
(( left++ ))
buffer=$BUFFER[left,right]
elif (( ! ZLE_RECURSIVE )); then
prebuffer=$PREBUFFER
fi
() {
exec </dev/tty
# Compute the cursor's position in bytes, not characters.
setopt localoptions nomultibyte noksharrays
(( $+zle_bracketed_paste )) && print -r -n - $zle_bracketed_paste[2]
# Open the editor, placing the cursor at the right place if we know how.
local -a editor
zstyle -a :zle:$WIDGET editor editor
if (( ! $#editor )); then
editor=( "${(@Q)${(z)${VISUAL:-${EDITOR:-vi}}}}" )
fi
case $editor in
(*vim*)
integer byteoffset=$(( $#prebuffer + $#lbuffer + 1 ))
"${(@)editor}" -c "normal! ${byteoffset}go" -- $1;;
(*emacs*)
local lines=( "${(@f):-"$prebuffer$lbuffer"}" )
"${(@)editor}" +${#lines}:$((${#lines[-1]} + 1)) $1;;
(*) "${(@)editor}" $1;;
esac
(( $+zle_bracketed_paste )) && print -r -n - $zle_bracketed_paste[1]
# Replace the buffer with the editor output.
# avoid drawing a new prompt when we can:
# - in recursive-edit, the send-break will just cancel the recursive-edit
# rather than reload the line from print -z so in that case we want to
# just set $BUFFER (unfortunately, recursive-edit doesn't reset CONTEXT
# or PREBUFFER so we have to explicitly handle this case, which overrides
# the following point)
# - when we are at PS2 (CONTEXT == cont && ! ZLE_RECURSIVE) we do want the
# break or otherwise the text from PREBUFFER will be inserted twice
# - when the region is active, we only want to change the parts of BUFFER
# covered by the region, and any PREBUFFER stays as PREBUFFER
# - in all other cases (that I can think of) we also just want to set
# $BUFFER directly.
if (( REGION_ACTIVE )); then
# adjust the length of the region to the length of the edited text
local prelen=$#BUFFER
BUFFER[left,right]="$(<$1)"
if (( MARK > CURSOR )); then
(( MARK += $#BUFFER - prelen ))
else
(( CURSOR += $#BUFFER - prelen ))
fi
elif [[ $CONTEXT != cont ]] || (( ZLE_RECURSIVE )); then
BUFFER="$(<$1)"
else
print -Rz - "$(<$1)"
zle send-break
fi
} =(<<<"$prebuffer$buffer")
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