fzf/shell/key-bindings.bash
2016-07-10 15:21:28 +09:00

126 lines
4.4 KiB
Bash

# Key bindings
# ------------
__fzf_select__() {
local cmd="${FZF_CTRL_T_COMMAND:-"command find -L . \\( -path '*/\\.*' -o -fstype 'dev' -o -fstype 'proc' \\) -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | sed 1d | cut -b3-"}"
eval "$cmd | fzf -m $FZF_CTRL_T_OPTS" | while read -r item; do
printf '%q ' "$item"
done
echo
}
if [[ $- =~ i ]]; then
__fzfcmd() {
[ "${FZF_TMUX:-1}" != 0 ] && echo "fzf-tmux -d${FZF_TMUX_HEIGHT:-40%}" || echo "fzf"
}
__fzf_select_tmux__() {
local height
height=${FZF_TMUX_HEIGHT:-40%}
if [[ $height =~ %$ ]]; then
height="-p ${height%\%}"
else
height="-l $height"
fi
tmux split-window $height "cd $(printf %q "$PWD"); FZF_DEFAULT_OPTS=$(printf %q "$FZF_DEFAULT_OPTS") PATH=$(printf %q "$PATH") FZF_CTRL_T_COMMAND=$(printf %q "$FZF_CTRL_T_COMMAND") FZF_CTRL_T_OPTS=$(printf %q "$FZF_CTRL_T_OPTS") bash -c 'source \"${BASH_SOURCE[0]}\"; RESULT=\"\$(__fzf_select__)\"; tmux setb -b fzf \"\$RESULT\" \\; pasteb -b fzf -t $TMUX_PANE \\; deleteb -b fzf || tmux send-keys -t $TMUX_PANE \"\$RESULT\"'"
}
fzf-file-widget() {
if __fzf_use_tmux__; then
__fzf_select_tmux__
else
local selected="$(__fzf_select__)"
READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
READLINE_POINT=$(( READLINE_POINT + ${#selected} ))
fi
}
__fzf_cd__() {
local cmd dir
cmd="${FZF_ALT_C_COMMAND:-"command find -L . \\( -path '*/\\.*' -o -fstype 'dev' -o -fstype 'proc' \\) -prune \
-o -type d -print 2> /dev/null | sed 1d | cut -b3-"}"
dir=$(eval "$cmd | $(__fzfcmd) +m $FZF_ALT_C_OPTS") && printf 'cd %q' "$dir"
}
__fzf_history__() (
local line
shopt -u nocaseglob nocasematch
line=$(
HISTTIMEFORMAT= history |
eval "$(__fzfcmd) +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r $FZF_CTRL_R_OPTS" |
command grep '^ *[0-9]') &&
if [[ $- =~ H ]]; then
sed 's/^ *\([0-9]*\)\** .*/!\1/' <<< "$line"
else
sed 's/^ *\([0-9]*\)\** *//' <<< "$line"
fi
)
__fzf_use_tmux__() {
[ -n "$TMUX_PANE" ] && [ "${FZF_TMUX:-1}" != 0 ] && [ ${LINES:-40} -gt 15 ]
}
[ $BASH_VERSINFO -gt 3 ] && __use_bind_x=1 || __use_bind_x=0
__fzf_use_tmux__ && __use_tmux=1 || __use_tmux=0
if [[ ! -o vi ]]; then
# Required to refresh the prompt after fzf
bind '"\er": redraw-current-line'
bind '"\e^": history-expand-line'
# CTRL-T - Paste the selected file path into the command line
if [ $__use_bind_x -eq 1 ]; then
bind -x '"\C-t": "fzf-file-widget"'
elif [ $__use_tmux -eq 1 ]; then
bind '"\C-t": " \C-u \C-a\C-k$(__fzf_select_tmux__)\e\C-e\C-y\C-a\C-d\C-y\ey\C-h"'
else
bind '"\C-t": " \C-u \C-a\C-k$(__fzf_select__)\e\C-e\C-y\C-a\C-y\ey\C-h\C-e\er \C-h"'
fi
# CTRL-R - Paste the selected command from history into the command line
bind '"\C-r": " \C-e\C-u`__fzf_history__`\e\C-e\e^\er"'
# ALT-C - cd into the selected directory
bind '"\ec": " \C-e\C-u`__fzf_cd__`\e\C-e\er\C-m"'
else
# We'd usually use "\e" to enter vi-movement-mode so we can do our magic,
# but this incurs a very noticeable delay of a half second or so,
# because many other commands start with "\e".
# Instead, we bind an unused key, "\C-x\C-a",
# to also enter vi-movement-mode,
# and then use that thereafter.
# (We imagine that "\C-x\C-a" is relatively unlikely to be in use.)
bind '"\C-x\C-a": vi-movement-mode'
bind '"\C-x\C-e": shell-expand-line'
bind '"\C-x\C-r": redraw-current-line'
bind '"\C-x^": history-expand-line'
# CTRL-T - Paste the selected file path into the command line
# - FIXME: Selected items are attached to the end regardless of cursor position
if [ $__use_bind_x -eq 1 ]; then
bind -x '"\C-t": "fzf-file-widget"'
elif [ $__use_tmux -eq 1 ]; then
bind '"\C-t": "\C-x\C-a$a \C-x\C-addi$(__fzf_select_tmux__)\C-x\C-e\C-x\C-a0P$xa"'
else
bind '"\C-t": "\C-x\C-a$a \C-x\C-addi$(__fzf_select__)\C-x\C-e\C-x\C-a0Px$a \C-x\C-r\C-x\C-axa "'
fi
bind -m vi-command '"\C-t": "i\C-t"'
# CTRL-R - Paste the selected command from history into the command line
bind '"\C-r": "\C-x\C-addi$(__fzf_history__)\C-x\C-e\C-x^\C-x\C-a$a\C-x\C-r"'
bind -m vi-command '"\C-r": "i\C-r"'
# ALT-C - cd into the selected directory
bind '"\ec": "\C-x\C-addi$(__fzf_cd__)\C-x\C-e\C-x\C-r\C-m"'
bind -m vi-command '"\ec": "ddi$(__fzf_cd__)\C-x\C-e\C-x\C-r\C-m"'
fi
unset -v __use_tmux __use_bind_x
fi