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#
# Sets keyboard bindings.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# Dumb terminals lack support.
if [[ "$TERM" == 'dumb' ]]; then
return
fi
# The default styles.
# Indicator to notify of vi command mode.
zstyle ':omz:prompt' vicmd '<<<'
# Indicator to notify of generating completion.
zstyle ':omz:completion' indicator '...'
# Beep on error in line editor.
setopt BEEP
# Reset to default key bindings.
bindkey -d
# Allow command line editing in an external editor.
autoload -Uz edit-command-line
zle -N edit-command-line
# Use human-friendly identifiers.
zmodload zsh/terminfo
typeset -g -A keyinfo
keyinfo=(
'Control' '\C-'
'Escape' '\e'
'Meta' '\M-'
'F1' "$terminfo[kf1]"
'F2' "$terminfo[kf2]"
'F3' "$terminfo[kf3]"
'F4' "$terminfo[kf4]"
'F5' "$terminfo[kf5]"
'F6' "$terminfo[kf6]"
'F7' "$terminfo[kf7]"
'F8' "$terminfo[kf8]"
'F9' "$terminfo[kf9]"
'F10' "$terminfo[kf10]"
'F11' "$terminfo[kf11]"
'F12' "$terminfo[kf12]"
'Backspace' "$terminfo[kbs]"
'Insert' "$terminfo[kich1]"
'Home' "$terminfo[khome]"
'PageUp' "$terminfo[kpp]"
'Delete' "$terminfo[kdch1]"
'End' "$terminfo[kend]"
'PageDown' "$terminfo[knp]"
'Up' "$terminfo[kcuu1]"
'Left' "$terminfo[kcub1]"
'Down' "$terminfo[kcud1]"
'Right' "$terminfo[kcuf1]"
'BackTab' "$terminfo[kcbt]"
)
# Restores RPROMPT when exiting vicmd.
function vi-restore-rprompt() {
if (( $+RPROMPT_CACHED )); then
RPROMPT="$RPROMPT_CACHED"
unset RPROMPT_CACHED
zle reset-prompt
return 0
fi
return 1
}
add-zsh-trap INT vi-restore-rprompt
# Displays the current vi mode (command).
function zle-keymap-select() {
if ! vi-restore-rprompt && [[ "$KEYMAP" == 'vicmd' ]]; then
RPROMPT_CACHED="$RPROMPT"
zstyle -s ':omz:prompt' vicmd RPROMPT
zle reset-prompt
fi
}
zle -N zle-keymap-select
# Resets the prompt after exiting edit-command-line.
function zle-line-init() {
vi-restore-rprompt
}
zle -N zle-line-init
# Resets the prompt after the line has been accepted.
function zle-line-finish() {
vi-restore-rprompt
}
zle -N zle-line-finish
zstyle -s ':omz:editor' keymap 'keymap'
if [[ "$keymap" == (emacs|) ]]; then
# Use Emacs key bindings.
bindkey -e
[[ -n "$keyinfo[Escape]" ]] && \
for key in "$keyinfo[Escape]"{B,b}; \
bindkey -M emacs "$key" emacs-backward-word
[[ -n "$keyinfo[Escape]" ]] && \
for key in "$keyinfo[Escape]"{F,f}; \
bindkey -M emacs "$key" emacs-forward-word
[[ -n "$keyinfo[Escape]" && -n "$keyinfo[Left]" ]] && \
bindkey -M emacs "$keyinfo[Escape]$keyinfo[Left]" emacs-backward-word
[[ -n "$keyinfo[Escape]" && -n "$keyinfo[Right]" ]] && \
bindkey -M emacs "$keyinfo[Escape]$keyinfo[Right]" emacs-forward-word
# Kill to the beginning of the line.
[[ -n "$keyinfo[Escape]" ]] && \
for key in "$keyinfo[Escape]"{K,k}; \
bindkey -M emacs "$key" backward-kill-line
# Redo.
[[ -n "$keyinfo[Escape]" ]] && \
bindkey -M emacs "$keyinfo[Escape]_" redo
# Search previous character.
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]X$keyinfo[Control]B" vi-find-prev-char
# Match bracket.
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]X$keyinfo[Control]]" vi-match-bracket
# Edit command in an external editor.
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]X$keyinfo[Control]E" edit-command-line
# Expand .... to ../..
if zstyle -t ':omz:editor' dot-expansion; then
bindkey -M emacs "." expand-dot-to-parent-directory-path
fi
# Bind to history substring search plugin if enabled;
# otherwise, bind to built-in Zsh history search.
if (( $+widgets[history-incremental-pattern-search-backward] )); then
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]R" \
history-incremental-pattern-search-backward
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]S" \
history-incremental-pattern-search-forward
else
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]R" \
history-incremental-search-backward
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M emacs "$keyinfo[Control]S" \
history-incremental-search-forward
fi
elif [[ "$keymap" == vi ]]; then
# Use vi key bindings.
bindkey -v
# Edit command in an external editor.
bindkey -M vicmd "v" edit-command-line
# Show cursor position.
bindkey -M vicmd "ga" what-cursor-position
# Undo/Redo
bindkey -M vicmd "u" undo
[[ -n "$keyinfo[Control]" ]] && \
bindkey -M vicmd "$keyinfo[Control]R" redo
# Expand .... to ../..
if zstyle -t ':omz:editor' dot-expansion; then
bindkey -M viins "." expand-dot-to-parent-directory-path
fi
# Switch to command mode.
bindkey -M viins "jk" vi-cmd-mode
bindkey -M viins "kj" vi-cmd-mode
# History
bindkey -M vicmd "gg" beginning-of-history
bindkey -M vicmd "G" end-of-history
# Bind to history substring search plugin if enabled;
# otherwise, bind to built-in Zsh history search.
if (( $+plugins[(er)history-substring-search] )); then
bindkey -M vicmd "k" history-substring-search-up
bindkey -M vicmd "j" history-substring-search-down
else
bindkey -M vicmd "k" up-line-or-history
bindkey -M vicmd "j" down-line-or-history
fi
if (( $+widgets[history-incremental-pattern-search-backward] )); then
bindkey -M vicmd "?" history-incremental-pattern-search-backward
bindkey -M vicmd "/" history-incremental-pattern-search-forward
else
bindkey -M vicmd "?" history-incremental-search-backward
bindkey -M vicmd "/" history-incremental-search-forward
fi
else
print "omz: invalid keymap: $keymap" >&2
unset keymap
return 1
fi
unset keymap
# The next key bindings are for both Emacs and Vi.
[[ -n "$keyinfo[Home]" ]] && \
bindkey "$keyinfo[Home]" beginning-of-line
[[ -n "$keyinfo[End]" ]] && \
bindkey "$keyinfo[End]" end-of-line
[[ -n "$keyinfo[Insert]" ]] && \
bindkey "$keyinfo[Insert]" overwrite-mode
[[ -n "$keyinfo[Delete]" ]] && \
bindkey "$keyinfo[Delete]" delete-char
[[ -n "$keyinfo[Backspace]" ]] && \
bindkey "$keyinfo[Backspace]" backward-delete-char && \
stty erase "$keyinfo[Backspace]"
[[ -n "$keyinfo[Left]" ]] && \
bindkey "$keyinfo[Left]" backward-char
[[ -n "$keyinfo[Right]" ]] && \
bindkey "$keyinfo[Right]" forward-char
# Expand history on space.
bindkey ' ' magic-space
if (( $+plugins[(er)history-substring-search] )); then
[[ -n "$keyinfo[Up]" ]] && \
bindkey "$keyinfo[Up]" history-substring-search-up
[[ -n "$keyinfo[Down]" ]] && \
bindkey "$keyinfo[Down]" history-substring-search-down
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]P" history-substring-search-up
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]N" history-substring-search-down
else
[[ -n "$keyinfo[Up]" ]] && \
bindkey "$keyinfo[Up]" up-line-or-history
[[ -n "$keyinfo[Down]" ]] && \
bindkey "$keyinfo[Down]" down-line-or-history
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]P" up-line-or-history
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]N" down-line-or-history
fi
# Clear screen.
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]L" clear-screen
# Expand command name to full path.
[[ -n "$keyinfo[Escape]" ]] && \
for key in "$keyinfo[Escape]"{E,e}; \
bindkey "$key" expand-cmd-path
# Duplicate the previous word.
[[ -n "$keyinfo[Escape]" ]] && \
for key in "$keyinfo[Escape]"{M,m}; \
bindkey "$key" copy-prev-shell-word
# Bind Shift + Tab to go to the previous menu item.
[[ -n "$keyinfo[BackTab]" ]] && \
bindkey "$keyinfo[BackTab]" reverse-menu-complete
# Complete in the middle of word.
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]I" expand-or-complete-prefix
# Convert .... to ../.. automatically.
if zstyle -t ':omz:editor' dot-expansion; then
function expand-dot-to-parent-directory-path() {
if [[ $LBUFFER = *.. ]]; then
LBUFFER+=/..
else
LBUFFER+=.
fi
}
zle -N expand-dot-to-parent-directory-path
# Do not expand .... to ../.. during incremental search.
bindkey -M isearch . self-insert 2>/dev/null
fi
# Display an indicator when completing.
function expand-or-complete-prefix-with-indicator() {
local indicator
zstyle -s ':omz:completion' indicator 'indicator'
print -Pn "$indicator"
zle expand-or-complete-prefix
zle redisplay
}
zle -N expand-or-complete-prefix-with-indicator
[[ -n "$keyinfo[Control]" ]] && \
bindkey "$keyinfo[Control]I" expand-or-complete-prefix-with-indicator
unset key