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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ key-bindings.bash
#
# - $FZF_TMUX_OPTS
# - $FZF_CTRL_T_COMMAND
# - $FZF_CTRL_T_OPTS
# - $FZF_CTRL_R_OPTS
# - $FZF_ALT_C_COMMAND
# - $FZF_ALT_C_OPTS
[[ $- =~ i ]] || return 0
# Key bindings
# ------------
__fzf_select__() {
local opts
opts="--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore --reverse --walker=file,dir,follow,hidden --scheme=path ${FZF_DEFAULT_OPTS-} ${FZF_CTRL_T_OPTS-} -m"
FZF_DEFAULT_COMMAND=${FZF_CTRL_T_COMMAND:-} FZF_DEFAULT_OPTS="$opts" $(__fzfcmd) "$@" |
while read -r item; do
printf '%q ' "$item" # escape special chars
done
}
__fzfcmd() {
[[ -n "${TMUX_PANE-}" ]] && { [[ "${FZF_TMUX:-0}" != 0 ]] || [[ -n "${FZF_TMUX_OPTS-}" ]]; } &&
echo "fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- " || echo "fzf"
}
fzf-file-widget() {
local selected="$(__fzf_select__ "$@")"
READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
READLINE_POINT=$(( READLINE_POINT + ${#selected} ))
}
__fzf_cd__() {
local opts dir
opts="--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore --reverse --walker=dir,follow,hidden --scheme=path ${FZF_DEFAULT_OPTS-} ${FZF_ALT_C_OPTS-} +m"
dir=$(
FZF_DEFAULT_COMMAND=${FZF_ALT_C_COMMAND:-} FZF_DEFAULT_OPTS="$opts" $(__fzfcmd)
) && printf 'builtin cd -- %q' "$dir"
}
if command -v perl > /dev/null; then
__fzf_history__() {
local output opts script
opts="--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore ${FZF_DEFAULT_OPTS-} -n2..,.. --scheme=history --bind=ctrl-r:toggle-sort ${FZF_CTRL_R_OPTS-} +m --read0"
script='BEGIN { getc; $/ = "\n\t"; $HISTCOUNT = $ENV{last_hist} + 1 } s/^[ *]//; print $HISTCOUNT - $. . "\t$_" if !$seen{$_}++'
output=$(
set +o pipefail
builtin fc -lnr -2147483648 |
last_hist=$(HISTTIMEFORMAT='' builtin history 1) command perl -n -l0 -e "$script" |
FZF_DEFAULT_OPTS="$opts" $(__fzfcmd) --query "$READLINE_LINE"
) || return
READLINE_LINE=${output#*$'\t'}
if [[ -z "$READLINE_POINT" ]]; then
echo "$READLINE_LINE"
else
READLINE_POINT=0x7fffffff
fi
}
else # awk - fallback for POSIX systems
__fzf_history__() {
local output opts script n x y z d
if [[ -z $__fzf_awk ]]; then
__fzf_awk=awk
# choose the faster mawk if: it's installed && build date >= 20230322 && version >= 1.3.4
IFS=' .' read n x y z d <<< $(command mawk -W version 2> /dev/null)
[[ $n == mawk ]] && (( d >= 20230302 && (x *1000 +y) *1000 +z >= 1003004 )) && __fzf_awk=mawk
fi
opts="--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore ${FZF_DEFAULT_OPTS-} -n2..,.. --scheme=history --bind=ctrl-r:toggle-sort ${FZF_CTRL_R_OPTS-} +m --read0"
[[ $(HISTTIMEFORMAT='' builtin history 1) =~ [[:digit:]]+ ]] # how many history entries
script='function P(b) { ++n; sub(/^[ *]/, "", b); if (!seen[b]++) { printf "%d\t%s%c", '$((BASH_REMATCH + 1))' - n, b, 0 } }
NR==1 { b = substr($0, 2); next }
/^\t/ { P(b); b = substr($0, 2); next }
{ b = b RS $0 }
END { if (NR) P(b) }'
output=$(
set +o pipefail
builtin fc -lnr -2147483648 2> /dev/null | # ( $'\t '<lines>$'\n' )* ; <lines> ::= [^\n]* ( $'\n'<lines> )*
command $__fzf_awk "$script" | # ( <counter>$'\t'<lines>$'\000' )*
FZF_DEFAULT_OPTS="$opts" $(__fzfcmd) --query "$READLINE_LINE"
) || return
READLINE_LINE=${output#*$'\t'}
if [[ -z "$READLINE_POINT" ]]; then
echo "$READLINE_LINE"
else
READLINE_POINT=0x7fffffff
fi
}
fi
# Required to refresh the prompt after fzf
bind -m emacs-standard '"\er": redraw-current-line'
bind -m vi-command '"\C-z": emacs-editing-mode'
bind -m vi-insert '"\C-z": emacs-editing-mode'
bind -m emacs-standard '"\C-z": vi-editing-mode'
if (( BASH_VERSINFO[0] < 4 )); then
# CTRL-T - Paste the selected file path into the command line
bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select__`\e\C-e\er\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'
# CTRL-R - Paste the selected command from history into the command line
bind -m emacs-standard '"\C-r": "\C-e \C-u\C-y\ey\C-u`__fzf_history__`\e\C-e\er"'
bind -m vi-command '"\C-r": "\C-z\C-r\C-z"'
bind -m vi-insert '"\C-r": "\C-z\C-r\C-z"'
else
# CTRL-T - Paste the selected file path into the command line
bind -m emacs-standard -x '"\C-t": fzf-file-widget'
bind -m vi-command -x '"\C-t": fzf-file-widget'
bind -m vi-insert -x '"\C-t": fzf-file-widget'
# CTRL-R - Paste the selected command from history into the command line
bind -m emacs-standard -x '"\C-r": __fzf_history__'
bind -m vi-command -x '"\C-r": __fzf_history__'
bind -m vi-insert -x '"\C-r": __fzf_history__'
fi
# ALT-C - cd into the selected directory
bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__fzf_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
bind -m vi-command '"\ec": "\C-z\ec\C-z"'
bind -m vi-insert '"\ec": "\C-z\ec\C-z"'
|
