fish-shell/share/functions/fish_default_key_bindings.fish

function fish_default_key_bindings -d "Default (Emacs-like) key bindings for fish"
	if not set -q argv[1]
		if test "$fish_key_bindings" != "fish_default_key_bindings"
			# Allow the user to set the variable universally
			set -q fish_key_bindings; or set -g fish_key_bindings
			set fish_key_bindings fish_default_key_bindings # This triggers the handler, which calls us again and ensures the user_key_bindings are executed
			return
		end
		# Clear earlier bindings, if any
		bind --erase --all
	end

	# This is the default binding, i.e. the one used if no other binding matches
	bind $argv "" self-insert

	bind $argv \n execute
	bind $argv \r execute

	bind $argv \ck kill-line
    bind $argv \cy fish_clipboard_copy
    bind $argv \cv fish_clipboard_paste
	bind $argv \t complete

	bind $argv \e\n "commandline -i \n"
	bind $argv \e\r "commandline -i \n"

	bind $argv \e\[A up-or-search
	bind $argv \e\[B down-or-search
	bind $argv -k down down-or-search
	bind $argv -k up up-or-search

	# Some linux VTs output these (why?)
	bind $argv \eOA up-or-search
	bind $argv \eOB down-or-search
	bind $argv \eOC forward-char
	bind $argv \eOD backward-char

	bind $argv \e\[C forward-char
	bind $argv \e\[D backward-char
	bind $argv -k right forward-char
	bind $argv -k left backward-char

	bind $argv -k dc delete-char
	bind $argv -k backspace backward-delete-char
	bind $argv \x7f backward-delete-char

	bind $argv \e\[H beginning-of-line
	bind $argv \e\[F end-of-line

	# for PuTTY
	# https://github.com/fish-shell/fish-shell/issues/180
	bind $argv \e\[1~ beginning-of-line
	bind $argv \e\[3~ delete-char
	bind $argv \e\[4~ end-of-line

	# OS X SnowLeopard doesn't have these keys. Don't show an annoying error message.
	bind $argv -k home beginning-of-line 2> /dev/null
	bind $argv -k end end-of-line 2> /dev/null
	bind $argv \e\[3\;2~ backward-delete-char # Mavericks Terminal.app shift-delete

	bind $argv \e\eOC nextd-or-forward-word
	bind $argv \e\eOD prevd-or-backward-word
	bind $argv \e\e\[C nextd-or-forward-word
	bind $argv \e\e\[D prevd-or-backward-word
	bind $argv \eO3C nextd-or-forward-word
	bind $argv \eO3D prevd-or-backward-word
	bind $argv \e\[3C nextd-or-forward-word
	bind $argv \e\[3D prevd-or-backward-word
	bind $argv \e\[1\;3C nextd-or-forward-word
	bind $argv \e\[1\;3D prevd-or-backward-word

	bind $argv \e\eOA history-token-search-backward
	bind $argv \e\eOB history-token-search-forward
	bind $argv \e\e\[A history-token-search-backward
	bind $argv \e\e\[B history-token-search-forward
	bind $argv \eO3A history-token-search-backward
	bind $argv \eO3B history-token-search-forward
	bind $argv \e\[3A history-token-search-backward
	bind $argv \e\[3B history-token-search-forward
	bind $argv \e\[1\;3A history-token-search-backward
	bind $argv \e\[1\;3B history-token-search-forward

	bind $argv \ca beginning-of-line
	bind $argv \ce end-of-line
	bind $argv \ey yank-pop
	bind $argv \ch backward-delete-char
	bind $argv \cp up-or-search
	bind $argv \cn down-or-search
	bind $argv \cf forward-char
	bind $argv \cb backward-char
	bind $argv \ct transpose-chars
	bind $argv \et transpose-words
	bind $argv \eu upcase-word

	# This clashes with __fish_list_current_token
	# bind $argv \el downcase-word
	bind $argv \ec capitalize-word
	bind $argv \e\x7f backward-kill-word
	bind $argv \eb backward-word
	bind $argv \ef forward-word
	bind $argv \e\[1\;5C forward-word
	bind $argv \e\[1\;5D backward-word
	bind $argv \e\[1\;9A history-token-search-backward # iTerm2
	bind $argv \e\[1\;9B history-token-search-forward # iTerm2
	bind $argv \e\[1\;9C nextd-or-forward-word #iTerm2
	bind $argv \e\[1\;9D prevd-or-backward-word #iTerm2
	# Bash compatibility
	# https://github.com/fish-shell/fish-shell/issues/89
	bind $argv \e. history-token-search-backward
	bind $argv -k ppage beginning-of-history
	bind $argv -k npage end-of-history
	bind $argv \e\< beginning-of-buffer
	bind $argv \e\> end-of-buffer

	bind $argv \el __fish_list_current_token
	bind $argv \ew 'set tok (commandline -pt); if test $tok[1]; echo; whatis $tok[1]; commandline -f repaint; end'
	bind $argv \cl 'clear; commandline -f repaint'
	bind $argv \cc __fish_cancel_commandline
	bind $argv \cu backward-kill-line
	bind $argv \cw backward-kill-path-component
	bind $argv \ed 'set -l cmd (commandline); if test -z "$cmd"; echo; dirh; commandline -f repaint; else; commandline -f kill-word; end'
	bind $argv \cd delete-or-exit

	bind \ed forward-kill-word
	bind \ed kill-word

	# Allow reading manpages by pressing F1 (many GUI applications) or Alt+h (like in zsh)
	bind $argv -k f1 __fish_man_page
	bind $argv \eh __fish_man_page

	# This will make sure the output of the current command is paged using the default pager when you press Meta-p
	# If none is set, less will be used
	bind $argv \ep '__fish_paginate'
	
	# shift-tab does a tab complete followed by a search
	bind $argv --key btab complete-and-search

	# escape cancels stuff	
	bind \e cancel

	# Ignore some known-bad control sequences
	# https://github.com/fish-shell/fish-shell/issues/1917
	bind \e\[I 'begin;end'
	bind \e\[O 'begin;end'

	# term-specific special bindings
	switch "$TERM"
		case 'rxvt*'
			bind $argv \e\[8~ end-of-line
			bind $argv \eOc forward-word
			bind $argv \eOd backward-word
	end

	# Make it easy to turn an unexecuted command into a comment in the shell history. Also,
	# remove the commenting chars so the command can be further edited then executed.
	bind \e\# __fish_toggle_comment_commandline
end