dotfiles/zsh/.oh-my-zsh/plugins/dirhistory/dirhistory.plugin.zsh
2024-06-19 00:06:56 +02:00

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##
# Navigate directory history using ALT-LEFT and ALT-RIGHT. ALT-LEFT moves back to directories
# that the user has changed to in the past, and ALT-RIGHT undoes ALT-LEFT.
#
# Navigate directory hierarchy using ALT-UP and ALT-DOWN.
# ALT-UP moves to higher hierarchy (cd ..)
# ALT-DOWN moves into the first directory found in alphabetical order
#
dirhistory_past=($PWD)
dirhistory_future=()
export dirhistory_past
export dirhistory_future
export DIRHISTORY_SIZE=30
# Pop the last element of dirhistory_past.
# Pass the name of the variable to return the result in.
# Returns the element if the array was not empty,
# otherwise returns empty string.
function pop_past() {
setopt localoptions no_ksh_arrays
if [[ $#dirhistory_past -gt 0 ]]; then
typeset -g $1="${dirhistory_past[$#dirhistory_past]}"
dirhistory_past[$#dirhistory_past]=()
fi
}
function pop_future() {
setopt localoptions no_ksh_arrays
if [[ $#dirhistory_future -gt 0 ]]; then
typeset -g $1="${dirhistory_future[$#dirhistory_future]}"
dirhistory_future[$#dirhistory_future]=()
fi
}
# Push a new element onto the end of dirhistory_past. If the size of the array
# is >= DIRHISTORY_SIZE, the array is shifted
function push_past() {
setopt localoptions no_ksh_arrays
if [[ $#dirhistory_past -ge $DIRHISTORY_SIZE ]]; then
shift dirhistory_past
fi
if [[ $#dirhistory_past -eq 0 || $dirhistory_past[$#dirhistory_past] != "$1" ]]; then
dirhistory_past+=($1)
fi
}
function push_future() {
setopt localoptions no_ksh_arrays
if [[ $#dirhistory_future -ge $DIRHISTORY_SIZE ]]; then
shift dirhistory_future
fi
if [[ $#dirhistory_future -eq 0 || $dirhistory_futuret[$#dirhistory_future] != "$1" ]]; then
dirhistory_future+=($1)
fi
}
# Called by zsh when directory changes
autoload -U add-zsh-hook
add-zsh-hook chpwd chpwd_dirhistory
function chpwd_dirhistory() {
push_past $PWD
# If DIRHISTORY_CD is not set...
if [[ -z "${DIRHISTORY_CD+x}" ]]; then
# ... clear future.
dirhistory_future=()
fi
}
function dirhistory_cd(){
DIRHISTORY_CD="1"
cd $1
unset DIRHISTORY_CD
}
# Move backward in directory history
function dirhistory_back() {
local cw=""
local d=""
# Last element in dirhistory_past is the cwd.
pop_past cw
if [[ "" == "$cw" ]]; then
# Someone overwrote our variable. Recover it.
dirhistory_past=($PWD)
return
fi
pop_past d
if [[ "" != "$d" ]]; then
dirhistory_cd $d
push_future $cw
else
push_past $cw
fi
}
# Move forward in directory history
function dirhistory_forward() {
local d=""
pop_future d
if [[ "" != "$d" ]]; then
dirhistory_cd $d
push_past $d
fi
}
# Bind keys to history navigation
function dirhistory_zle_dirhistory_back() {
# Erase current line in buffer
zle .kill-buffer
dirhistory_back
zle .accept-line
}
function dirhistory_zle_dirhistory_future() {
# Erase current line in buffer
zle .kill-buffer
dirhistory_forward
zle .accept-line
}
zle -N dirhistory_zle_dirhistory_back
zle -N dirhistory_zle_dirhistory_future
for keymap in emacs vicmd viins; do
# dirhistory_back
bindkey -M $keymap "\e[3D" dirhistory_zle_dirhistory_back # xterm in normal mode
bindkey -M $keymap "\e[1;3D" dirhistory_zle_dirhistory_back # xterm in normal mode
bindkey -M $keymap "\e\e[D" dirhistory_zle_dirhistory_back # Putty
bindkey -M $keymap "\eO3D" dirhistory_zle_dirhistory_back # GNU screen
case "$TERM_PROGRAM" in
Apple_Terminal) bindkey -M $keymap "^[b" dirhistory_zle_dirhistory_back ;; # Terminal.app
iTerm.app) bindkey -M $keymap "^[^[[D" dirhistory_zle_dirhistory_back ;; # iTerm2
esac
if (( ${+terminfo[kcub1]} )); then
bindkey -M $keymap "^[${terminfo[kcub1]}" dirhistory_zle_dirhistory_back # urxvt
fi
# dirhistory_future
bindkey -M $keymap "\e[3C" dirhistory_zle_dirhistory_future # xterm in normal mode
bindkey -M $keymap "\e[1;3C" dirhistory_zle_dirhistory_future # xterm in normal mode
bindkey -M $keymap "\e\e[C" dirhistory_zle_dirhistory_future # Putty
bindkey -M $keymap "\eO3C" dirhistory_zle_dirhistory_future # GNU screen
case "$TERM_PROGRAM" in
Apple_Terminal) bindkey -M $keymap "^[f" dirhistory_zle_dirhistory_future ;; # Terminal.app
iTerm.app) bindkey -M $keymap "^[^[[C" dirhistory_zle_dirhistory_future ;; # iTerm2
esac
if (( ${+terminfo[kcuf1]} )); then
bindkey -M $keymap "^[${terminfo[kcuf1]}" dirhistory_zle_dirhistory_future # urxvt
fi
done
#
# HIERARCHY Implemented in this section, in case someone wants to split it to another plugin if it clashes bindings
#
# Move up in hierarchy
function dirhistory_up() {
cd .. || return 1
}
# Move down in hierarchy
function dirhistory_down() {
cd "$(find . -mindepth 1 -maxdepth 1 -type d | sort -n | head -n 1)" || return 1
}
# Bind keys to hierarchy navigation
function dirhistory_zle_dirhistory_up() {
zle .kill-buffer # Erase current line in buffer
dirhistory_up
zle .accept-line
}
function dirhistory_zle_dirhistory_down() {
zle .kill-buffer # Erase current line in buffer
dirhistory_down
zle .accept-line
}
zle -N dirhistory_zle_dirhistory_up
zle -N dirhistory_zle_dirhistory_down
for keymap in emacs vicmd viins; do
# dirhistory_up
bindkey -M $keymap "\e[3A" dirhistory_zle_dirhistory_up # xterm in normal mode
bindkey -M $keymap "\e[1;3A" dirhistory_zle_dirhistory_up # xterm in normal mode
bindkey -M $keymap "\e\e[A" dirhistory_zle_dirhistory_up # Putty
bindkey -M $keymap "\eO3A" dirhistory_zle_dirhistory_up # GNU screen
case "$TERM_PROGRAM" in
Apple_Terminal) bindkey -M $keymap "^[[A" dirhistory_zle_dirhistory_up ;; # Terminal.app
iTerm.app) bindkey -M $keymap "^[^[[A" dirhistory_zle_dirhistory_up ;; # iTerm2
esac
if (( ${+terminfo[kcuu1]} )); then
bindkey -M $keymap "^[${terminfo[kcuu1]}" dirhistory_zle_dirhistory_up # urxvt
fi
# dirhistory_down
bindkey -M $keymap "\e[3B" dirhistory_zle_dirhistory_down # xterm in normal mode
bindkey -M $keymap "\e[1;3B" dirhistory_zle_dirhistory_down # xterm in normal mode
bindkey -M $keymap "\e\e[B" dirhistory_zle_dirhistory_down # Putty
bindkey -M $keymap "\eO3B" dirhistory_zle_dirhistory_down # GNU screen
case "$TERM_PROGRAM" in
Apple_Terminal) bindkey -M $keymap "^[[B" dirhistory_zle_dirhistory_down ;; # Terminal.app
iTerm.app) bindkey -M $keymap "^[^[[B" dirhistory_zle_dirhistory_down ;; # iTerm2
esac
if (( ${+terminfo[kcud1]} )); then
bindkey -M $keymap "^[${terminfo[kcud1]}" dirhistory_zle_dirhistory_down # urxvt
fi
done
unset keymap