Class: GlimR::VScroller

Inherits:
Widget show all
Defined in:
lib/glimr/widgets/scrollbar.rb

Constant Summary

Constants included from Layoutable

Layoutable::DIMENSIONS

Instance Attribute Summary

Attributes inherited from Widget

#focused, #hover

Attributes included from Layoutable

#align, #valign

Attributes inherited from Model

#geometry, #material, #shader, #texture, #transform

Attributes inherited from SceneObject

#children, #drawables, #mtime, #parent, #viewport

Attributes included from EventListener

#event_listeners, #listener_count

Instance Method Summary collapse

Methods inherited from Widget

#activate, #blur, #focus, for, #key_down, #key_up, #lock, #mouse_down, #mouse_move, #mouse_out, #mouse_over, #mouse_up, #unlock

Methods included from Layoutable

#attach, #children_change, #constant_size?, #detach, #expand!, #expand?, #expand_height, #expand_to_max_height!, #expand_to_max_width!, #expand_width, #fit_height!, #fit_to_children!, #fit_width!, #free_height, #free_width, #full_depth, #full_height, #full_width, #inner_depth, #inner_height, #inner_width, #inspect, #layoutable_children, #margin, #margin=, #max_height=, #max_width=, #min_height=, #min_width=, #padding, #padding=, #parent=, #size_changing, size_changing_accessor, #tell_children_of_size_change, #x=, #y=

Methods inherited from Model

#absolute_transform, #apply, #inspect, #pop_state, #push_state

Methods inherited from SceneObject

#<<, #absolute_geometry, #absolute_material, #absolute_shader, #absolute_texture, #absolute_transform, #absolute_transform_for_drawing, #add_drawables, #apply, #attach, #clone, #detach, #detach_self, #inspect, #pop_state, #push_state, #remove_drawables, #render, #replace_node, #root, #touch!, #visible

Methods included from EventListener

#add_event_listener, #decrement_listener_count, #dispatch_event, #event_root, #increment_listener_count, #method_missing, #multicast_event, #process_event, #remove_event_listener

Constructor Details

#initialize(*a, &b) ⇒ VScroller

Returns a new instance of VScroller.



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# File 'lib/glimr/widgets/scrollbar.rb', line 236

def initialize(*a,&b)
  super
  @knob.z = 5
  attach @background,@knob
  self.min_height = @knob.height
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class GlimR::EventListener

Instance Method Details

#click(o, e) ⇒ Object 



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# File 'lib/glimr/widgets/scrollbar.rb', line 243

def click(o,e)
  if e.target == @background.geometry
    distance_from_knob_bottom = (@knob.y + @knob.height - e.ry)
    distance_from_knob_top = (@knob.y - e.ry)
    if distance_from_knob_bottom.abs > distance_from_knob_top.abs
      @knob.new_y = e.ry
    else
      @knob.new_y = e.ry - @knob.height
    end
  end
end

#default_config ⇒ Object 



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# File 'lib/glimr/widgets/scrollbar.rb', line 228

def default_config
  super.merge(
    :expand_height => true,
    :knob => VScrollKnob.new,
    :background => GlimR::StretchableImage.load_theme('vscroller_bg.png')
  )
end

#layout ⇒ Object 



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# File 'lib/glimr/widgets/scrollbar.rb', line 259

def layout
  return if @layouting
  @layouting = true
  super
  @background.set_dimensions(@width, @height) if @background.width != @width or @background.height != @height
  update_knob
  @layouting = false
end

#update_knob ⇒ Object 



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# File 'lib/glimr/widgets/scrollbar.rb', line 255

def update_knob
  @knob.layout
end