prezto_config/modules/editor/init.zsh

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#
# Sets keyboard bindings.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
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# Dumb terminals lack support.
if [[ "$TERM" == 'dumb' ]]; then
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return 1
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fi
# The default styles.
# Indicator to notify of vi insert mode.
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zstyle ':omz:module:editor:keymap' primary '>>>'
# Indicator to notify of vi command mode.
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zstyle ':omz:module:editor:keymap' alternate '<<<'
# Indicator to notify of generating completion.
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zstyle ':omz:module:editor' completing '...'
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# Beep on error in line editor.
setopt BEEP
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# Allow command line editing in an external editor.
autoload -Uz edit-command-line
zle -N edit-command-line
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# Use human-friendly identifiers.
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zmodload zsh/terminfo
typeset -gA keyinfo
keyinfo=(
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'Control' '\C-'
'Escape' '\e'
'Meta' '\M-'
'Backspace' "^?"
'Delete' "^[[3~"
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'F1' "$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' "$terminfo[kf12]"
'Insert' "$terminfo[kich1]"
'Home' "$terminfo[khome]"
'PageUp' "$terminfo[kpp]"
'End' "$terminfo[kend]"
'PageDown' "$terminfo[knp]"
'Up' "$terminfo[kcuu1]"
'Left' "$terminfo[kcub1]"
'Down' "$terminfo[kcud1]"
'Right' "$terminfo[kcuf1]"
'BackTab' "$terminfo[kcbt]"
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)
# Do not bind any keys if there are empty values in $keyinfo.
for key in "$keyinfo[@]"; do
if [[ -z "$key" ]]; then
print "omz: one or more keys are non-bindable" >&2
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return 1
fi
done
# Displays the current vi mode.
function zle-line-init zle-line-finish zle-keymap-select {
if [[ "$KEYMAP" == 'vicmd' ]]; then
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zstyle -s ':omz:module:editor:keymap' alternate 'editor_keymap_info'
else
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zstyle -s ':omz:module:editor:keymap' primary 'editor_keymap_info'
fi
zle reset-prompt
zle -R
}
zle -N zle-line-init
zle -N zle-line-finish
zle -N zle-keymap-select
# Expands .... to ../..
function expand-dot-to-parent-directory-path {
if [[ $LBUFFER = *.. ]]; then
LBUFFER+='/..'
else
LBUFFER+='.'
fi
}
zle -N expand-dot-to-parent-directory-path
# Displays an indicator when completing.
function expand-or-complete-with-indicator {
local indicator
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zstyle -s ':omz:module:editor' completing 'indicator'
print -Pn "$indicator"
zle expand-or-complete-prefix
zle redisplay
}
zle -N expand-or-complete-with-indicator
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# Inserts 'sudo ' at the beginning of the line.
function prepend-sudo {
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if [[ "$BUFFER" != su(do|)\ * ]]; then
BUFFER="sudo $BUFFER"
(( CURSOR += 5 ))
fi
}
zle -N prepend-sudo
# Reset to default key bindings.
bindkey -d
# Emacs key bindings.
for key in "$keyinfo[Escape]"{B,b}; \
bindkey -M emacs "$key" emacs-backward-word
for key in "$keyinfo[Escape]"{F,f}; \
bindkey -M emacs "$key" emacs-forward-word
bindkey -M emacs "$keyinfo[Escape]$keyinfo[Left]" emacs-backward-word
bindkey -M emacs "$keyinfo[Escape]$keyinfo[Right]" emacs-forward-word
# Kill to the beginning of the line.
for key in "$keyinfo[Escape]"{K,k}; \
bindkey -M emacs "$key" backward-kill-line
# Redo.
bindkey -M emacs "$keyinfo[Escape]_" redo
# Search previous character.
bindkey -M emacs "$keyinfo[Control]X$keyinfo[Control]B" vi-find-prev-char
# Match bracket.
bindkey -M emacs "$keyinfo[Control]X$keyinfo[Control]]" vi-match-bracket
# Edit command in an external editor.
bindkey -M emacs "$keyinfo[Control]X$keyinfo[Control]E" edit-command-line
if (( $+widgets[history-incremental-pattern-search-backward] )); then
bindkey -M emacs "$keyinfo[Control]R" \
history-incremental-pattern-search-backward
bindkey -M emacs "$keyinfo[Control]S" \
history-incremental-pattern-search-forward
fi
# Vi key bindings.
# Edit command in an external editor.
bindkey -M vicmd "v" edit-command-line
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# Undo/Redo
bindkey -M vicmd "u" undo
bindkey -M vicmd "$keyinfo[Control]R" redo
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# Switch to command mode.
bindkey -M viins "jk" vi-cmd-mode
bindkey -M viins "kj" vi-cmd-mode
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if (( $+widgets[history-incremental-pattern-search-backward] )); then
bindkey -M vicmd "?" history-incremental-pattern-search-backward
bindkey -M vicmd "/" history-incremental-pattern-search-forward
else
bindkey -M vicmd "?" history-incremental-search-backward
bindkey -M vicmd "/" history-incremental-search-forward
fi
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# Emacs and Vi key bindings.
for keymap in 'emacs' 'viins'; do
bindkey -M "$keymap" "$keyinfo[Home]" beginning-of-line
bindkey -M "$keymap" "$keyinfo[End]" end-of-line
bindkey -M "$keymap" "$keyinfo[Insert]" overwrite-mode
bindkey -M "$keymap" "$keyinfo[Delete]" delete-char
bindkey -M "$keymap" "$keyinfo[Backspace]" backward-delete-char
bindkey -M "$keymap" "$keyinfo[Left]" backward-char
bindkey -M "$keymap" "$keyinfo[Right]" forward-char
# Expand history on space.
bindkey -M "$keymap" ' ' magic-space
# Clear screen.
bindkey -M "$keymap" "$keyinfo[Control]L" clear-screen
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# Expand command name to full path.
for key in "$keyinfo[Escape]"{E,e}; \
bindkey -M "$keymap" "$key" expand-cmd-path
# Duplicate the previous word.
for key in "$keyinfo[Escape]"{M,m}; \
bindkey -M "$keymap" "$key" copy-prev-shell-word
# Use a more flexible push-line.
for key in "$keyinfo[Control]Q" "$keyinfo[Escape]"{q,Q}; \
bindkey -M "$keymap" "$key" push-line-or-edit
# Bind Shift + Tab to go to the previous menu item.
bindkey -M "$keymap" "$keyinfo[BackTab]" reverse-menu-complete
# Complete in the middle of word.
bindkey -M "$keymap" "$keyinfo[Control]I" expand-or-complete-prefix
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# Expand .... to ../..
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if zstyle -t ':omz:module:editor' dot-expansion; then
bindkey -M "$keymap" "." expand-dot-to-parent-directory-path
fi
# Display an indicator when completing.
bindkey -M "$keymap" "$keyinfo[Control]I" \
expand-or-complete-with-indicator
# Insert 'sudo ' at the beginning of the line.
bindkey -M "$keymap" "$keyinfo[Control]X$keyinfo[Control]S" prepend-sudo
done
# Do not expand .... to ../.. during incremental search.
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if zstyle -t ':omz:module:editor' dot-expansion; then
bindkey -M isearch . self-insert 2> /dev/null
fi
# Set the key layout.
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zstyle -s ':omz:module:editor' keymap 'keymap'
if [[ "$keymap" == (emacs|) ]]; then
bindkey -e
elif [[ "$keymap" == vi ]]; then
bindkey -v
else
print "omz: invalid keymap: $keymap" >&2
fi
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unset keymap
unset key