Class: Curtis::BaseView::Cursor

Inherits:
Object
  • Object
show all
Defined in:
lib/curtis/base_view/cursor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(view) ⇒ Cursor

Returns a new instance of Cursor.



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# File 'lib/curtis/base_view/cursor.rb', line 6

def initialize(view)
  @view = view
end

Instance Attribute Details

#view ⇒ Object (readonly)

Returns the value of attribute view.



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# File 'lib/curtis/base_view/cursor.rb', line 4

def view
  @view
end

Instance Method Details

#column ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 19

def column
  line_and_column.last
end

#column=(new_column) ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 23

def column=(new_column)
  view.move line, new_column
end

#line ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 10

def line
  line_and_column.first
end

#line=(new_line, reset_column: true) ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 14

def line=(new_line, reset_column: true)
  new_column = reset_column ? 0 : column
  view.window.move new_line, new_column
end

#line_and_column ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 35

def line_and_column
  line, column = [], []
  view.window.getyx(line, column)
  [line.first, column.first]
end

#newline! ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 31

def newline!
  view.move line + 1, 0
end

#rewind! ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 27

def rewind!
  view.move 0, 0
end

#to_s ⇒ Object 



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# File 'lib/curtis/base_view/cursor.rb', line 41

def to_s
  line_and_column.join(', ')
end