Dotfiles/shells/zsh/includes/keybindings.zsh

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

key[Home]="${terminfo[khome]}"
key[End]="${terminfo[kend]}"
key[Insert]="${terminfo[kich1]}"
key[Backspace]="${terminfo[kbs]}"
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]="${terminfo[knp]}"
key[ShiftTab]="${terminfo[kcbt]}"

# 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 "${key[Backspace]}" ]] && bindkey -- "${key[Backspace]}" backward-delete-char
[[ -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 "${key[PageUp]}"    ]] && bindkey -- "${key[PageUp]}"    beginning-of-buffer-or-history
[[ -n "${key[PageDown]}"  ]] && bindkey -- "${key[PageDown]}"  end-of-buffer-or-history
[[ -n "${key[ShiftTab]}"  ]] && bindkey -- "${key[ShiftTab]}"  reverse-menu-complete

# Finally, make sure the terminal is in application mode, when zle is
# active. Only then are the values from $terminfo valid.
if (( ${+terminfo[smkx]} && ${+terminfo[rmkx]} )); then
	autoload -Uz add-zle-hook-widget
	function zle_application_mode_start { echoti smkx }
	function zle_application_mode_stop { echoti rmkx }
	add-zle-hook-widget -Uz zle-line-init zle_application_mode_start
	add-zle-hook-widget -Uz zle-line-finish zle_application_mode_stop
fi

autoload -Uz up-line-or-beginning-search down-line-or-beginning-search
zle -N up-line-or-beginning-search
zle -N down-line-or-beginning-search

[[ -n "${key[Up]}"   ]] && bindkey -- "${key[Up]}"   up-line-or-beginning-search
[[ -n "${key[Down]}" ]] && bindkey -- "${key[Down]}" down-line-or-beginning-search


# By default, Ctrl+d will not close your shell if the command line is filled, this fixes it:
exit_zsh() { exit }
zle -N exit_zsh
bindkey '^D' exit_zsh

autoload -U edit-command-line
zle -N edit-command-line
bindkey '\C-x\C-e' edit-command-line

bindkey -M viins jj vi-cmd-mode

# Make CTRL-Z background things and unbackground them.
# Based off https://github.com/wincent/wincent/commit/30b502d811fbf4ca058db3a6f006aaecab68f6b7
function fg-bg() {
	if [[ $#BUFFER -eq 0 ]]; then
		local backgroundProgram="$(jobs | tail -n 1 | awk '{print $4}')"
		if [[ "$backgroundProgram" == "nc" ]] || [[ "$backgroundProgram" == "ncat" ]]; then
			# Make sure that /dev/tty is given to the stty command
			local columns=$(stty -a < /dev/tty | grep -oE 'columns [0-9]+' | cut -d' ' -f2)
			local rows=$(stty -a < /dev/tty | grep -oE 'rows [0-9]+' | cut -d' ' -f2)
			notify-send "Terminal dimensions" "Rows: $rows\nColumns: $columns\nstty command on clipboard"
			echo "stty rows $rows cols $columns" | clip
			stty raw -echo < /dev/tty; fg
		else
			fg
		fi
	else
		zle push-input
	fi
}
zle -N fg-bg
bindkey '^Z' fg-bg

rationalise-dot() {
	if [[ $LBUFFER = *.. ]]; then
		LBUFFER+=/..
	else
		LBUFFER+=.
	fi
}
zle -N rationalise-dot
bindkey . rationalise-dot