Method: RubyCurses::TextView#truncate

Defined in:
lib/rbcurse/core/widgets/rtextview.rb

#truncate(content) ⇒ Object

returns only the visible portion of string taking into account display length and horizontal scrolling. MODIFIES STRING



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# File 'lib/rbcurse/core/widgets/rtextview.rb', line 598

def truncate content  #:nodoc:
  _maxlen = @maxlen || @width-@internal_width
  _maxlen = @width-@internal_width if _maxlen > @width-@internal_width # take care of decrease in width
  if !content.nil? 
    if content.length > _maxlen # only show maxlen
      @longest_line = content.length if content.length > @longest_line
      #content = content[@pcol..@pcol+maxlen-1] 
      content.replace(content[@pcol..@pcol+_maxlen-1] || "")
    else
      if @pcol > 0
          content.replace(content[@pcol..-1]  || "")
      end
    end
  end
  content
end