Class: CyberarmEngine::Element::Slider::Handle

Inherits:
Button show all
Defined in:
lib/cyberarm_engine/ui/elements/slider.rb

Constant Summary

Constants included from Theme

Theme::THEME

Instance Attribute Summary

Attributes inherited from CyberarmEngine::Element

#background_canvas, #border_canvas, #enabled, #event_handler, #options, #parent, #style, #tip, #x, #y, #z

Instance Method Summary collapse

Methods inherited from Button

#blur, #clicked_left_mouse_button, #draw_image, #draw_text, #enter, #leave, #left_mouse_button, #recalculate, #released_left_mouse_button, #render, #value, #value=

Methods inherited from Label

#clicked_left_mouse_button, #handle_text_wrapping, #line_width, #recalculate, #render, #value, #value=

Methods inherited from CyberarmEngine::Element

#background=, #button_down, #button_up, #content_height, #content_width, #default_events, #dimensional_size, #draw, #enabled?, #height, #hide, #hit?, #inner_height, #inner_width, #is_root?, #noncontent_height, #noncontent_width, #outer_height, #outer_width, #recalculate, #render, #reposition, #root, #set_background, #set_border_color, #set_border_thickness, #set_margin, #set_padding, #set_static_position, #show, #stylize, #to_s, #toggle, #update, #update_background, #value, #value=, #visible?, #width

Methods included from Common

#current_state, #darken, #draw_rect, #fill, #get_asset, #get_image, #get_sample, #get_song, #lighten, #opacity, #pop_state, #previous_state, #push_state, #show_cursor, #show_cursor=, #window

Methods included from CyberarmEngine::Event

#event, #publish, #subscribe, #unsubscribe

Methods included from Theme

#deep_merge, #default, #theme_defaults

Constructor Details

#initialize(*args) ⇒ Handle

Returns a new instance of Handle.



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# File 'lib/cyberarm_engine/ui/elements/slider.rb', line 5

def initialize(*args)
  super(*args)

  event(:begin_drag)
  event(:drag_update)
  event(:end_drag)

  subscribe :begin_drag do |_sender, x, y, _button|
    @drag_start_pos = Vector.new(x, y)

    :handled
  end

  subscribe :drag_update do |_sender, x, y, _button|
    @parent.handle_dragged_to(x, y)

    :handled
  end

  subscribe :end_drag do
    @drag_start_pos = nil

    :handled
  end
end

Instance Method Details

#draggable?(button) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cyberarm_engine/ui/elements/slider.rb', line 31

def draggable?(button)
  button == :left
end