zsh-syntax-highlighting/highlighters/cursor/cursor-highlighter.zsh

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# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# vim: ft=zsh sw=2 ts=2 et
# -------------------------------------------------------------------------------------------------


# Define default styles.
: ${ZSH_HIGHLIGHT_STYLES[cursor]:=standout}

# Whether the cursor highlighter should be called or not.
_zsh_highlight_cursor_highlighter_predicate()
{
  # accept-* may trigger removal of cursor highlighting
  [[ $WIDGET == accept-* ]] ||
    _zsh_highlight_cursor_moved
}

# Cursor highlighting function.
_zsh_highlight_cursor_highlighter()
{
  [[ $WIDGET == accept-* ]] && return
  
  region_highlight+=("$CURSOR $(( $CURSOR + 1 )) $ZSH_HIGHLIGHT_STYLES[cursor]")
}