fzf completion widget for zsh which completes words from the currently displayed tmux panes

fzf-tmux-select.zsh

__get_tmux_pane_contents() {
	local cmd='for pane in `tmux list-panes -F "#{pane_id}"`; do tmux capture-pane -p -t $pane; done'
	for word in `eval "$cmd"`; do 
		if [ ${#word} -ge ${FZF_MIN_WORD_LENGTH:-4} ]; then 
			echo "$word"
		fi
	done | awk  '{ print length, $0 }' | sort -rn | cut -d' ' -f2- 	| uniq
}

__tmux_pane_sel() {
	setopt localoptions pipefail 2> /dev/null
	__get_tmux_pane_contents | FZF_DEFAUL_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS" $(__fzfcmd) -m "$@"
	local ret=$?
	echo
	return $ret
}


fzf-complete-pane-widget() {
	LBUFFER="${LBUFFER}$(__tmux_pane_sel)"
	local ret="$?"
	zle redisplay
	typeset -f zle-line-init >/dev/null && zle zle-line-init
	return $ret
}

zle -N fzf-complete-pane-widget
bindkey '^X^A' fzf-complete-pane-widget