dircycle.plugin.zsh

 1# enables cycling through the directory stack using
 2# Ctrl+Shift+Left/Right
 3#
 4# left/right direction follows the order in which directories
 5# were visited, like left/right arrows do in a browser
 6
 7# NO_PUSHD_MINUS syntax:
 8#  pushd +N: start counting from left of `dirs' output
 9#  pushd -N: start counting from right of `dirs' output
10
11# Either switch to a directory from dirstack, using +N or -N syntax
12# or switch to a directory by path, using `switch-to-dir -- <path>`
13switch-to-dir () {
14	# If $1 is --, then treat $2 as a directory path
15	if [[ $1 == -- ]]; then
16		# We use `-q` because we don't want chpwd to run, we'll do it manually
17		[[ -d "$2" ]] && builtin pushd -q "$2" &>/dev/null
18		return $?
19	fi
20
21	setopt localoptions nopushdminus
22	[[ ${#dirstack} -eq 0 ]] && return 1
23
24	while ! builtin pushd -q $1 &>/dev/null; do
25		# We found a missing directory: pop it out of the dir stack
26		builtin popd -q $1
27
28		# Stop trying if there are no more directories in the dir stack
29		[[ ${#dirstack} -eq 0 ]] && return 1
30	done
31}
32
33insert-cycledleft () {
34	switch-to-dir +1 || return $?
35
36	local fn
37	for fn in chpwd $chpwd_functions precmd $precmd_functions; do
38		(( $+functions[$fn] )) && $fn
39	done
40	zle reset-prompt
41}
42zle -N insert-cycledleft
43
44insert-cycledright () {
45	switch-to-dir -0 || return $?
46
47	local fn
48	for fn in chpwd $chpwd_functions precmd $precmd_functions; do
49		(( $+functions[$fn] )) && $fn
50	done
51	zle reset-prompt
52}
53zle -N insert-cycledright
54
55insert-cycledup () {
56	switch-to-dir -- .. || return $?
57
58	local fn
59	for fn in chpwd $chpwd_functions precmd $precmd_functions; do
60		(( $+functions[$fn] )) && $fn
61	done
62	zle reset-prompt
63}
64zle -N insert-cycledup
65
66insert-cycleddown () {
67	switch-to-dir -- "$(find . -mindepth 1 -maxdepth 1 -type d | sort -n | head -n 1)" || return $?
68
69	local fn
70	for fn in chpwd $chpwd_functions precmd $precmd_functions; do
71		(( $+functions[$fn] )) && $fn
72	done
73	zle reset-prompt
74}
75zle -N insert-cycleddown
76
77# These sequences work for xterm, Apple Terminal.app, and probably others.
78# Not for rxvt-unicode, but it doesn't seem differentiate Ctrl-Shift-Arrow
79# from plain Shift-Arrow, at least by default.
80#
81# iTerm2 does not have these key combinations defined by default; you will need
82# to add them under "Keys" in your profile if you want to use this. You can do
83# this conveniently by loading the "xterm with Numeric Keypad" preset.
84bindkey "\e[1;6D" insert-cycledleft     # Ctrl+Shift+Left
85bindkey "\e[1;6C" insert-cycledright    # Ctrl+Shift+Right
86bindkey "\e[1;6A" insert-cycledup       # Ctrl+Shift+Up
87bindkey "\e[1;6B" insert-cycleddown     # Ctrl+Shift+Down