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333 lines
8.5 KiB
333 lines
8.5 KiB
# |
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# Sets key bindings. |
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# |
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# Authors: |
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# Sorin Ionescu <sorin.ionescu@gmail.com> |
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# |
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# Usage: |
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# To enable key bindings, add the following to zshrc, and replace 'map' with |
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# 'emacs' or 'vi. |
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# |
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# zstyle ':omz:module:editor' keymap 'map' |
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# |
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# To enable the auto conversion of .... to ../.., add the following to zshrc. |
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# |
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# zstyle ':omz:module:editor' dot-expansion 'yes' |
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# |
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# To indicate when the editor is in the primary keymap (emacs or viins), add |
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# the following to your theme prompt setup function. |
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# |
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# zstyle ':omz:module:editor:keymap' primary '>>>' |
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# |
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# To indicate when the editor is in the primary keymap (emacs or viins) insert |
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# mode, add the following to your theme prompt setup function. |
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# |
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# zstyle ':omz:module:editor:keymap:primary' insert 'I' |
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# |
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# To indicate when the editor is in the primary keymap (emacs or viins) |
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# overwrite mode, add the following to your theme prompt setup function. |
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# |
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# zstyle ':omz:module:editor:keymap:primary' overwrite 'O' |
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# |
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# To indicate when the editor is in the alternate keymap (vicmd), add the |
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# following to your theme prompt setup function. |
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# |
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# zstyle ':omz:module:editor:keymap' alternate '<<<' |
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# |
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# To indicate when the editor is completing, add the following to your theme |
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# prompt setup function. |
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# |
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# zstyle ':omz:module:editor' completing '...' |
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# |
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# Return if requirements are not found. |
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if [[ "$TERM" == 'dumb' ]]; then |
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return 1 |
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fi |
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# |
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# Options |
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# |
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# Beep on error in line editor. |
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setopt BEEP |
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# Allow command line editing in an external editor. |
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autoload -Uz edit-command-line |
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zle -N edit-command-line |
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# |
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# Variables |
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# |
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# Use human-friendly identifiers. |
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zmodload zsh/terminfo |
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typeset -gA key_info |
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key_info=( |
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'Control' '\C-' |
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'Escape' '\e' |
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'Meta' '\M-' |
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'Backspace' "^?" |
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'Delete' "^[[3~" |
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'F1' "$terminfo[kf1]" |
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'F2' "$terminfo[kf2]" |
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'F3' "$terminfo[kf3]" |
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'F4' "$terminfo[kf4]" |
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'F5' "$terminfo[kf5]" |
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'F6' "$terminfo[kf6]" |
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'F7' "$terminfo[kf7]" |
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'F8' "$terminfo[kf8]" |
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'F9' "$terminfo[kf9]" |
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'F10' "$terminfo[kf10]" |
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'F11' "$terminfo[kf11]" |
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'F12' "$terminfo[kf12]" |
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'Insert' "$terminfo[kich1]" |
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'Home' "$terminfo[khome]" |
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'PageUp' "$terminfo[kpp]" |
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'End' "$terminfo[kend]" |
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'PageDown' "$terminfo[knp]" |
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'Up' "$terminfo[kcuu1]" |
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'Left' "$terminfo[kcub1]" |
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'Down' "$terminfo[kcud1]" |
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'Right' "$terminfo[kcuf1]" |
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'BackTab' "$terminfo[kcbt]" |
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) |
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# Do not bind any keys if there are empty values in $key_info. |
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for key in "$key_info[@]"; do |
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if [[ -z "$key" ]]; then |
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print "omz: one or more keys are non-bindable" >&2 |
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return 1 |
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fi |
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done |
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# |
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# Functions |
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# |
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# Displays editor information. |
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function editor-info { |
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# Clean up previous $editor_info. |
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unset editor_info |
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typeset -gA editor_info |
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if [[ "$KEYMAP" == 'vicmd' ]]; then |
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zstyle -s ':omz:module:editor:keymap' alternate 'REPLY' |
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editor_info[keymap]="$REPLY" |
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else |
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zstyle -s ':omz:module:editor:keymap' primary 'REPLY' |
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editor_info[keymap]="$REPLY" |
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if [[ "$ZLE_STATE" == *overwrite* ]]; then |
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zstyle -s ':omz:module:editor:keymap:primary' overwrite 'REPLY' |
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editor_info[overwrite]="$REPLY" |
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else |
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zstyle -s ':omz:module:editor:keymap:primary' insert 'REPLY' |
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editor_info[overwrite]="$REPLY" |
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fi |
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fi |
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unset REPLY |
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zle reset-prompt |
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zle -R |
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} |
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zle -N editor-info |
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# Updates editor information when the keymap changes. |
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function zle-keymap-select zle-line-init zle-line-finish { |
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zle editor-info |
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} |
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zle -N zle-keymap-select |
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zle -N zle-line-finish |
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zle -N zle-line-init |
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# Toggles emacs overwrite mode and updates editor information. |
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function overwrite-mode { |
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zle .overwrite-mode |
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zle editor-info |
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} |
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zle -N overwrite-mode |
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# Enters vi insert mode and updates editor information. |
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function vi-insert { |
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zle .vi-insert |
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zle editor-info |
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} |
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zle -N vi-insert |
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# Moves to the first non-blank character then enters vi insert mode and updates |
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# editor information. |
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function vi-insert-bol { |
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zle .vi-insert-bol |
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zle editor-info |
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} |
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zle -N vi-insert-bol |
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# Enters vi replace mode and updates editor information. |
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function vi-replace { |
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zle .vi-replace |
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zle editor-info |
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} |
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zle -N vi-replace |
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# Expands .... to ../.. |
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function expand-dot-to-parent-directory-path { |
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if [[ $LBUFFER = *.. ]]; then |
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LBUFFER+='/..' |
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else |
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LBUFFER+='.' |
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fi |
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} |
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zle -N expand-dot-to-parent-directory-path |
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# Displays an indicator when completing. |
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function expand-or-complete-with-indicator { |
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local indicator |
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zstyle -s ':omz:module:editor' completing 'indicator' |
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print -Pn "$indicator" |
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zle expand-or-complete |
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zle redisplay |
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} |
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zle -N expand-or-complete-with-indicator |
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# Inserts 'sudo ' at the beginning of the line. |
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function prepend-sudo { |
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if [[ "$BUFFER" != su(do|)\ * ]]; then |
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BUFFER="sudo $BUFFER" |
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(( CURSOR += 5 )) |
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fi |
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} |
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zle -N prepend-sudo |
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# Reset to default key bindings. |
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bindkey -d |
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# |
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# Emacs Key Bindings |
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# |
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for key ("$key_info[Escape]"{B,b}) bindkey -M emacs "$key" emacs-backward-word |
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for key ("$key_info[Escape]"{F,f}) bindkey -M emacs "$key" emacs-forward-word |
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bindkey -M emacs "$key_info[Escape]$key_info[Left]" emacs-backward-word |
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bindkey -M emacs "$key_info[Escape]$key_info[Right]" emacs-forward-word |
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# Kill to the beginning of the line. |
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for key in "$key_info[Escape]"{K,k} |
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bindkey -M emacs "$key" backward-kill-line |
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# Redo. |
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bindkey -M emacs "$key_info[Escape]_" redo |
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# Search previous character. |
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bindkey -M emacs "$key_info[Control]X$key_info[Control]B" vi-find-prev-char |
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# Match bracket. |
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bindkey -M emacs "$key_info[Control]X$key_info[Control]]" vi-match-bracket |
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# Edit command in an external editor. |
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bindkey -M emacs "$key_info[Control]X$key_info[Control]E" edit-command-line |
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if (( $+widgets[history-incremental-pattern-search-backward] )); then |
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bindkey -M emacs "$key_info[Control]R" \ |
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history-incremental-pattern-search-backward |
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bindkey -M emacs "$key_info[Control]S" \ |
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history-incremental-pattern-search-forward |
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fi |
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# |
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# Vi Key Bindings |
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# |
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# Edit command in an external editor. |
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bindkey -M vicmd "v" edit-command-line |
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# Undo/Redo |
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bindkey -M vicmd "u" undo |
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bindkey -M vicmd "$key_info[Control]R" redo |
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# Switch to command mode. |
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bindkey -M viins "jk" vi-cmd-mode |
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bindkey -M viins "kj" vi-cmd-mode |
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if (( $+widgets[history-incremental-pattern-search-backward] )); then |
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bindkey -M vicmd "?" history-incremental-pattern-search-backward |
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bindkey -M vicmd "/" history-incremental-pattern-search-forward |
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else |
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bindkey -M vicmd "?" history-incremental-search-backward |
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bindkey -M vicmd "/" history-incremental-search-forward |
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fi |
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# |
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# Emacs and Vi Key Bindings |
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# |
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for keymap in 'emacs' 'viins'; do |
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bindkey -M "$keymap" "$key_info[Home]" beginning-of-line |
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bindkey -M "$keymap" "$key_info[End]" end-of-line |
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bindkey -M "$keymap" "$key_info[Insert]" overwrite-mode |
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bindkey -M "$keymap" "$key_info[Delete]" delete-char |
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bindkey -M "$keymap" "$key_info[Backspace]" backward-delete-char |
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bindkey -M "$keymap" "$key_info[Left]" backward-char |
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bindkey -M "$keymap" "$key_info[Right]" forward-char |
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# Expand history on space. |
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bindkey -M "$keymap" ' ' magic-space |
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# Clear screen. |
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bindkey -M "$keymap" "$key_info[Control]L" clear-screen |
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# Expand command name to full path. |
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for key in "$key_info[Escape]"{E,e} |
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bindkey -M "$keymap" "$key" expand-cmd-path |
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# Duplicate the previous word. |
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for key in "$key_info[Escape]"{M,m} |
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bindkey -M "$keymap" "$key" copy-prev-shell-word |
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# Use a more flexible push-line. |
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for key in "$key_info[Control]Q" "$key_info[Escape]"{q,Q} |
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bindkey -M "$keymap" "$key" push-line-or-edit |
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# Bind Shift + Tab to go to the previous menu item. |
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bindkey -M "$keymap" "$key_info[BackTab]" reverse-menu-complete |
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# Complete in the middle of word. |
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bindkey -M "$keymap" "$key_info[Control]I" expand-or-complete |
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# Expand .... to ../.. |
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if zstyle -t ':omz:module:editor' dot-expansion; then |
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bindkey -M "$keymap" "." expand-dot-to-parent-directory-path |
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fi |
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# Display an indicator when completing. |
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bindkey -M "$keymap" "$key_info[Control]I" \ |
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expand-or-complete-with-indicator |
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# Insert 'sudo ' at the beginning of the line. |
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bindkey -M "$keymap" "$key_info[Control]X$key_info[Control]S" prepend-sudo |
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done |
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# Do not expand .... to ../.. during incremental search. |
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if zstyle -t ':omz:module:editor' dot-expansion; then |
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bindkey -M isearch . self-insert 2> /dev/null |
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fi |
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# |
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# Layout |
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# |
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# Set the key layout. |
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zstyle -s ':omz:module:editor' keymap 'keymap' |
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if [[ "$keymap" == (emacs|) ]]; then |
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bindkey -e |
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elif [[ "$keymap" == vi ]]; then |
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bindkey -v |
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else |
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print "omz: invalid keymap: $keymap" >&2 |
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fi |
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unset key{map,} |
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