Class: AdventureRL::EventHandlers::MouseButtons

Inherits:
Buttons show all
Defined in:
lib/AdventureRL/EventHandlers/MouseButtons.rb

Constant Summary collapse

MOUSE_BUTTON_IDS =

This constant contains the IDs of all mouse buttons.

[
  Gosu::MS_LEFT,
  Gosu::MS_MIDDLE,
  Gosu::MS_RIGHT,
  Gosu::MS_WHEEL_DOWN,
  Gosu::MS_WHEEL_UP
] .concat((0 .. 7).map do |n|
  next Gosu.const_get "MS_OTHER_#{n.to_s}"
end)
DEFAULT_SETTINGS = 
Settings.new(
  only_mouse_buttons: true
)

Constants inherited from Buttons

Buttons::BUTTON_EVENT_HANDLERS

Instance Method Summary collapse

Methods inherited from Buttons

button_down, button_up, #get_pressable_buttons, update

Methods inherited from EventHandler

#add_event, #subscribe, #trigger, #unsubscribe

Constructor Details

#initialize(settings = {}) ⇒ MouseButtons 



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# File 'lib/AdventureRL/EventHandlers/MouseButtons.rb', line 19

def initialize settings = {}
  @settings           = DEFAULT_SETTINGS.merge settings
  @only_mouse_buttons = @settings.get :only_mouse_buttons
  super @settings
end

Instance Method Details

#add_pressable_button(*args) ⇒ Object 



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# File 'lib/AdventureRL/EventHandlers/MouseButtons.rb', line 63

def add_pressable_button *args
  Helpers::Error.error(
    "Cannot add pressable button(s) to #{self.class.name}."
  )
end

#button_down(btnid) ⇒ Object 



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# File 'lib/AdventureRL/EventHandlers/MouseButtons.rb', line 25

def button_down btnid
  super  unless (@only_mouse_buttons)
  trigger(
    :mouse_down,
    get_semantic_button_name(btnid),
    shift:   shift_button_pressed?,
    control: control_button_pressed?,
    alt:     alt_button_pressed?
  )  if (MOUSE_BUTTON_IDS.include?(btnid))
end

#button_up(btnid) ⇒ Object 



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# File 'lib/AdventureRL/EventHandlers/MouseButtons.rb', line 36

def button_up btnid
  return  unless (MOUSE_BUTTON_IDS.include? btnid)
  trigger(
    :mouse_up,
    get_semantic_button_name(btnid),
    shift:   shift_button_pressed?,
    control: control_button_pressed?,
    alt:     alt_button_pressed?
  )
end

#update ⇒ Object 



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# File 'lib/AdventureRL/EventHandlers/MouseButtons.rb', line 47

def update
  pressed_btnids = MOUSE_BUTTON_IDS.select do |btnid|
    next Gosu.button_down?(btnid)
  end
  return  unless (pressed_btnids.any?)
  pressed_btnids.each do |btnid|
    trigger(
      :mouse_press,
      get_semantic_button_name(btnid),
      shift:   shift_button_pressed?,
      control: control_button_pressed?,
      alt:     alt_button_pressed?
    )
  end
end