pos

pos()

Instance Public methods

# move to Tk::Text::IndexModMethods module def +(mod)

return chars(mod) if mod.kind_of?(Numeric)

mod = mod.to_s
if mod =~ /^\s*[+-]?\d/
  Tk::Text::IndexString.new(@id + ' + ' + mod)
else
  Tk::Text::IndexString.new(@id + ' ' + mod)
end

end

def -(mod)

return chars(-mod) if mod.kind_of?(Numeric)

mod = mod.to_s
if mod =~ /^\s*[+-]?\d/
  Tk::Text::IndexString.new(@id + ' - ' + mod)
elsif mod =~ /^\s*[-]\s+(\d.*)$/
  Tk::Text::IndexString.new(@id + ' - -' + $1)
else
  Tk::Text::IndexString.new(@id + ' ' + mod)
end

end

Links:

https://github.com/ruby/ruby/blob/ed6ce8b43b6f25df1d4809ac799de4dd1c85c1f3/ext/tk/lib/tk/textmark.rb#L94

doc_ruby_on_rails

2015-06-07 16:26:49

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