Class: Bash_Visual::VerticalScroll

Inherits:
Scroll
  • Object
show all
Defined in:
lib/bash-visual/vertical_scroll.rb

Constant Summary

Constants inherited from Scroll

Scroll::BACKWARD, Scroll::BEGINNING, Scroll::ENDING, Scroll::FORWARD

Instance Attribute Summary

Attributes inherited from Scroll

#console

Attributes included from FixedObject

#height, #width, #x, #y

Instance Method Summary collapse

Methods inherited from Scroll

#add, form_block, #initialize, #prefix, #prefix=, #scroll

Methods included from FixedObject

#position, #size

Constructor Details

This class inherits a constructor from Bash_Visual::Scroll

Instance Method Details

#get_y_position(available_area_height, message_size = 0) ⇒ Object 



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# File 'lib/bash-visual/vertical_scroll.rb', line 4

def get_y_position available_area_height, message_size = 0
  if (@start == BEGINNING)
    @y + (@height - available_area_height)
  else
    @y + available_area_height - message_size
  end
end

#print_message(message, font, available_area) ⇒ Object 



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# File 'lib/bash-visual/vertical_scroll.rb', line 12

def print_message message, font, available_area

  available_area_width, available_area_height = available_area

  msg_block_height =
      case
        when !@adapt
          1
        when @fixed_message_block_size
          @fixed_message_block_size
        when @max_message_block_size
          @max_message_block_size
        else
          available_area_height
      end

  msg_block_height -= 1 if @separator
  msg_block_height = available_area_height if msg_block_height > available_area_height

  message = Scroll.form_block message, [available_area_width, msg_block_height]
  if @separator
    message << @separator * available_area_width
  end

  write(@x, get_y_position(available_area_height, message.size), message, font)

  [available_area_width, available_area_height - message.size]
end