Class: Vedeu::Input::Mouse

Inherits:
Object
  • Object
show all
Defined in:
lib/vedeu/input/mouse.rb

Overview

Rudimentary support for mouse interactions.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input) ⇒ Vedeu::Input::Mouse

Return an instance of Vedeu::Input::Mouse.

Parameters:

  • input (String) 


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# File 'lib/vedeu/input/mouse.rb', line 21

def initialize(input)
  @input = input
end

Instance Attribute Details

#input ⇒ String (readonly, protected)

Returns:

  • (String) 


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# File 'lib/vedeu/input/mouse.rb', line 53

def input
  @input
end

Class Method Details

.click(input) ⇒ void

This method returns an undefined value.

Trigger an event depending on which button was pressed.

Parameters:

  • input (String) 


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# File 'lib/vedeu/input/mouse.rb', line 13

def self.click(input)
  new(input).click
end

Instance Method Details

#button ⇒ Fixnum (private)

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/input/mouse.rb', line 58

def button
  mouse[0]
end

#click ⇒ void

This method returns an undefined value.

Trigger an event depending on which button was pressed.



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# File 'lib/vedeu/input/mouse.rb', line 28

def click
  Vedeu.log(type:    :input,
            message: "Mouse pressed: '#{button}' (x: #{x}, y: #{y})")

  if left_click?
    Vedeu.trigger(:_cursor_reposition_, Vedeu.focus, y, x)

  elsif wheel_up?
    Vedeu.trigger(:_cursor_up_, Vedeu.focus)

  elsif wheel_down?
    Vedeu.trigger(:_cursor_down_, Vedeu.focus)

  else
    Vedeu.log(type:    :input,
              message: 'Vedeu does not support mouse button ' \
                       "'#{button}' yet.")

  end
end

#left_click? ⇒ Boolean (private)

Returns:

  • (Boolean) 


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# File 'lib/vedeu/input/mouse.rb', line 68

def left_click?
  button == 0
end

#mouse ⇒ Array<Fixnum> (private)

Returns:

  • (Array<Fixnum>) 


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# File 'lib/vedeu/input/mouse.rb', line 63

def mouse
  @_input ||= input.chars[3..-1].map { |character| character.ord - 32 }
end

#wheel_down? ⇒ Boolean (private)

Returns:

  • (Boolean) 


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# File 'lib/vedeu/input/mouse.rb', line 78

def wheel_down?
  button == 65
end

#wheel_up? ⇒ Boolean (private)

Returns:

  • (Boolean) 


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# File 'lib/vedeu/input/mouse.rb', line 73

def wheel_up?
  button == 64
end

#x ⇒ Fixnum (private)

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/input/mouse.rb', line 83

def x
  mouse[1]
end

#y ⇒ Fixnum (private)

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/input/mouse.rb', line 88

def y
  mouse[2]
end