Class: TerminalLayout::InputBox

Inherits:
Box
  • Object
show all
Defined in:
lib/terminal_layout.rb

Instance Attribute Summary collapse

Attributes inherited from Box

#children, #computed, #content, #name, #style

Instance Method Summary collapse

Methods inherited from Box

#find_child_of_type, #height, #inspect, #size, #to_s, #to_str, #width

Methods included from EventEmitter

#_callbacks, #emit, #on, #unsubscribe

Constructor Details

#initialize(*args) ⇒ InputBox

Returns a new instance of InputBox.



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# File 'lib/terminal_layout.rb', line 450

def initialize(*args)
  super
  @computed = { x: 0, y: 0 }
  @cursor_position = OpenStruct.new(x: 0, y: 0)
  @position = 0
  @focused = false
end

Instance Attribute Details

#cursor_position ⇒ Object

cursor_position is the actual coordinates on the screen of where then cursor is rendered



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# File 'lib/terminal_layout.rb', line 430

def cursor_position
  @cursor_position
end

#position ⇒ Object

position is the desired X-position of the cursor if everything was displayed on a single line



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# File 'lib/terminal_layout.rb', line 434

def position
  @position
end

Instance Method Details

#content=(str) ⇒ Object 



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# File 'lib/terminal_layout.rb', line 466

def content=(str)
  new_content = ANSIString.new(str)
  if @content != new_content
    old_content = @content
    @content = new_content
    emit :content_changed, old_content, @content
  end
end

#cursor_off ⇒ Object 



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# File 'lib/terminal_layout.rb', line 458

def cursor_off
  @style.update(cursor: 'none')
end

#cursor_on ⇒ Object 



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# File 'lib/terminal_layout.rb', line 462

def cursor_on
  @style.update(cursor: 'auto')
end

#focus! ⇒ Object 



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# File 'lib/terminal_layout.rb', line 436

def focus!
  return if @focused
  @focused = true
  emit :focus_changed, !@focused, @focused
end

#focused? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terminal_layout.rb', line 448

def focused? ; !!@focused ; end

#remove_focus! ⇒ Object 



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# File 'lib/terminal_layout.rb', line 442

def remove_focus!
  return unless @focused
  @focused = false
  emit :focus_changed, !@focused, @focused
end

#update_computed(style) ⇒ Object 



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# File 'lib/terminal_layout.rb', line 481

def update_computed(style)
  # if the style being updated has a y greater than 0
  # then it's because the renderable content for the input box
  # spans multiple lines. We do not want to update the x/y position(s)
  # in this instance. We want to keep the original starting x/y.
  if style[:y] && style[:y] > 0
    style = style.dup.delete_if { |k,_| [:x, :y].include?(k) }
  end
  @computed.merge!(style)
end