bracketed paste mode in xterm and urxvt

[Mikael Magnusson <mikachu@gmail.com>]

# create a new keymap to use while pasting
bindkey -N paste
# make everything in this keymap call our custom widget
bindkey -R -M paste "^@"-"\M-^?" paste-insert
# these are the codes sent around the pasted text in bracketed
# paste mode.
# do the first one with both -M viins and -M vicmd in vi mode
bindkey '^[[200~' _start_paste
bindkey -M paste '^[[201~' _end_paste
# insert newlines rather than carriage returns when pasting newlines
bindkey -M paste -s '^M' '^J'

zle -N _start_paste
zle -N _end_paste
zle -N paste-insert _paste_insert

# switch the active keymap to paste mode
function _start_paste() {
  bindkey -A paste main
}

# go back to our normal keymap, and insert all the pasted text in the
# command line. this has the nice effect of making the whole paste be
# a single undo/redo event.
function _end_paste() {
#use bindkey -v here with vi mode probably. maybe you want to track
#if you were in ins or cmd mode and restore the right one.
  bindkey -e
  LBUFFER+=$_paste_content
  unset _paste_content
}

function _paste_insert() {
  _paste_content+=$KEYS
}

function _zle_line_init() {
  # Tell terminal to send escape codes around pastes.
  [[ $TERM == rxvt-unicode || $TERM == xterm ]] && printf '\e[?2004h'
}

function _zle_line_finish() {
  # Tell it to stop when we leave zle, so pasting in other programs
  # doesn't get the ^[[200~ codes around the pasted text.
  [[ $TERM == rxvt-unicode || $TERM == xterm ]] && printf '\e[?2004l'
}

Alternatively, you can also do stuff to the text before inserting it,
I have this additional stuff which lets me toggle a mode where all the
pasted text is automatically quoted and a space is appended, which is
useful when pasting (some) urls with ? and & and what have you.

function _end_paste() {
  bindkey -e
  if [[ $_SPACE_AFTER_PASTE_QUOTE = 1 ]]; then
    LBUFFER+=${(q)_paste_content}' '
  else
    LBUFFER+=$_paste_content
  fi
  unset _paste_content
}

function _spaceafterpastequote() {
  if [[ $_SPACE_AFTER_PASTE_QUOTE = 1 ]]; then
    _SPACE_AFTER_PASTE_QUOTE=0
    zle -M "Not inserting a space after pastes, not quoting"
  else
    _SPACE_AFTER_PASTE_QUOTE=1
    zle -M "Inserting a space after pastes and quoting"
  fi
}
zle -N _spaceafterpastequote
# this is a custom wrapper that uses zkbd stuff, just use regular bindkey.
zbindkey Control-Insert _spaceafterpastequote

-- 
Mikael Magnusson