X-Git-Url: https://git.r.bdr.sh/rbdr/dotfiles/blobdiff_plain/f6272d88eae76c8553f237f3f318c4a97997f262..fa25023586cb94a1abf4fd3ff95ebe7c3c8ead09:/zsh/modules/editor.zsh?ds=sidebyside diff --git a/zsh/modules/editor.zsh b/zsh/modules/editor.zsh new file mode 100644 index 0000000..8bc4dae --- /dev/null +++ b/zsh/modules/editor.zsh @@ -0,0 +1,195 @@ +# +# Sets key bindings. +# +# Authors: +# Sorin Ionescu +# + +# Return if requirements are not found. +if [[ "$TERM" == 'dumb' ]]; then + return 1 +fi + +# +# Options +# + +# Beep on error in line editor. +setopt BEEP + +# +# Variables +# + +# Treat these characters as part of a word. +WORDCHARS='*?_-.[]~&;!#$%^(){}<>' + +# Use human-friendly identifiers. +zmodload zsh/terminfo +typeset -gA key_info +key_info=( + 'Control' '\C-' + 'ControlLeft' '\e[1;5D \e[5D \e\e[D \eOd' + 'ControlRight' '\e[1;5C \e[5C \e\e[C \eOc' + 'Escape' '\e' + 'Meta' '\M-' + 'Backspace' "^?" + 'Delete' "^[[3~" + '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]" +) + +# Set empty $key_info values to an invalid UTF-8 sequence to induce silent +# bindkey failure. +for key in "${(k)key_info[@]}"; do + if [[ -z "$key_info[$key]" ]]; then + key_info[$key]='�' + fi +done + +# +# External Editor +# + +# Allow command line editing in an external editor. +autoload -Uz edit-command-line +zle -N edit-command-line + +# Enables terminal application mode and updates editor information. +function zle-line-init { + # The terminal must be in application mode when ZLE is active for $terminfo + # values to be valid. + if (( $+terminfo[smkx] )); then + # Enable terminal application mode. + echoti smkx + fi +} +zle -N zle-line-init + +# Disables terminal application mode and updates editor information. +function zle-line-finish { + # The terminal must be in application mode when ZLE is active for $terminfo + # values to be valid. + if (( $+terminfo[rmkx] )); then + # Disable terminal application mode. + echoti rmkx + fi +} +zle -N zle-line-finish + +# Displays an indicator when completing. +function expand-or-complete-with-indicator { + local indicator + zstyle -s ':prezto:module:editor:info:completing' format 'indicator' + print -Pn "$indicator" + zle expand-or-complete + zle redisplay +} +zle -N expand-or-complete-with-indicator + +# Inserts 'sudo ' at the beginning of the line. +function prepend-sudo { + if [[ "$BUFFER" != su(do|)\ * ]]; then + BUFFER="sudo $BUFFER" + (( CURSOR += 5 )) + fi +} +zle -N prepend-sudo + +# Reset to default key bindings. +bindkey -d + +# +# Vi Key Bindings +# + +# Edit command in an external editor. +bindkey -M vicmd "v" edit-command-line + +# Undo/Redo +bindkey -M vicmd "u" undo +bindkey -M vicmd "$key_info[Control]R" redo + +if (( $+widgets[history-incremental-pattern-search-backward] )); then + bindkey -M vicmd "?" history-incremental-pattern-search-backward + bindkey -M vicmd "/" history-incremental-pattern-search-forward +else + bindkey -M vicmd "?" history-incremental-search-backward + bindkey -M vicmd "/" history-incremental-search-forward +fi + +# +# Emacs and Vi Key Bindings +# + +for keymap in 'emacs' 'viins'; do + bindkey -M "$keymap" "$key_info[Home]" beginning-of-line + bindkey -M "$keymap" "$key_info[End]" end-of-line + + bindkey -M "$keymap" "$key_info[Insert]" overwrite-mode + bindkey -M "$keymap" "$key_info[Delete]" delete-char + bindkey -M "$keymap" "$key_info[Backspace]" backward-delete-char + + bindkey -M "$keymap" "$key_info[Left]" backward-char + bindkey -M "$keymap" "$key_info[Right]" forward-char + + # Expand history on space. + bindkey -M "$keymap" ' ' magic-space + + # Clear screen. + bindkey -M "$keymap" "$key_info[Control]L" clear-screen + + # Expand command name to full path. + for key in "$key_info[Escape]"{E,e} + bindkey -M "$keymap" "$key" expand-cmd-path + + # Duplicate the previous word. + for key in "$key_info[Escape]"{M,m} + bindkey -M "$keymap" "$key" copy-prev-shell-word + + # Use a more flexible push-line. + for key in "$key_info[Control]Q" "$key_info[Escape]"{q,Q} + bindkey -M "$keymap" "$key" push-line-or-edit + + # Bind Shift + Tab to go to the previous menu item. + bindkey -M "$keymap" "$key_info[BackTab]" reverse-menu-complete + + # Complete in the middle of word. + bindkey -M "$keymap" "$key_info[Control]I" expand-or-complete + + # Display an indicator when completing. + bindkey -M "$keymap" "$key_info[Control]I" \ + expand-or-complete-with-indicator + + # Insert 'sudo ' at the beginning of the line. + bindkey -M "$keymap" "$key_info[Control]X$key_info[Control]S" prepend-sudo +done + +# +# Layout +# + +# Set the key layout. +bindkey -v + +unset key{,map,bindings}