dotfiles/.config/zsh/keys.zsh

# Keybindings - from zshwiki.org

# create a zkbd compatible hash;
# to add other keys to this hash, see: man 5 terminfo
typeset -A key

key[Home]=${terminfo[khome]}
key[End]=${terminfo[kend]}
key[Insert]=${terminfo[kich1]}
key[Delete]=${terminfo[kdch1]}
key[Up]=${terminfo[kcuu1]}
key[Down]=${terminfo[kcud1]}
key[Left]=${terminfo[kcub1]}
key[Right]=${terminfo[kcuf1]}
key[PageUp]=${terminfo[kpp]}
key[PageDown]=${terminfo[knp]}
key[Backspace]=${terminfo[kbs]}

# setup key accordingly
[[ -n "${key[Home]}"      ]] && bindkey "${key[Home]}"      beginning-of-line
[[ -n "${key[End]}"       ]] && bindkey "${key[End]}"       end-of-line
[[ -n "${key[Insert]}"    ]] && bindkey "${key[Insert]}"    overwrite-mode
[[ -n "${key[Delete]}"    ]] && bindkey "${key[Delete]}"    delete-char
[[ -n "${key[Up]}"        ]] && bindkey "${key[Up]}"        up-line-or-history
[[ -n "${key[Down]}"      ]] && bindkey "${key[Down]}"      down-line-or-history
[[ -n "${key[Left]}"      ]] && bindkey "${key[Left]}"      backward-char
[[ -n "${key[Right]}"     ]] && bindkey "${key[Right]}"     forward-char
[[ -n "${key[Backspace]}" ]] && bindkey "${key[Backspace]}" backward-delete-char

# Finally, make sure the terminal is in application mode, when zle is
# active. Only then are the values from $terminfo valid.
function zle-line-init () {
    if [[ "${TERM}" != "linux" ]] && [[ "${TERM}" != "dumb" ]]
    then
        echoti smkx
    fi
}
function zle-line-finish () {
    if [[ "${TERM}" != "linux" ]] && [[ "${TERM}" != "dumb" ]]
    then
        echoti smkx
    fi
}
zle -N zle-line-init
zle -N zle-line-finish
zle -N history-substring-search-up
zle -N history-substring-search-down

bindkey '^[[1;5A' history-substring-search-up
bindkey '^[[1;5B' history-substring-search-down

bindkey '^H'      backward-delete-word # C-BackSpace
bindkey '^[[3;5~' delete-word          # C-Del
bindkey '^[[1;5D' backward-word        # C-Left
bindkey '^[[1;5C' forward-word         # C-Right


if [[ "${TERM}" =~ "^rxvt" ]]; then
    bindkey '^[[3^'   delete-word
    bindkey '^[Od'    backward-word
    bindkey '^[Oc'    forward-word
    bindkey '^[Oa'    history-substring-search-up
    bindkey '^[Ob'    history-substring-search-down
fi

if [[ "${TERM}" =~ "^xterm" ]]; then
    bindkey '^H'      backward-delete-char
    bindkey '^?'      backward-delete-word
fi


bindkey '\eu' undo              # Alt+u
bindkey '\eU' redo              # Alt+Shift+u

bindkey '^q' push-line-or-edit

autoload edit-command-line; zle -N edit-command-line
bindkey '^[e' edit-command-line
bindkey '^x^e' edit-command-line