Class: Rubygoo::Button

Inherits:
Widget
  • Object
show all
Defined in:
lib/rubygoo/button.rb

Constant Summary

Constants inherited from Widget

Widget::DEFAULT_PARAMS

Instance Attribute Summary

Attributes inherited from Widget

#app, #container, #enabled, #focus_priority, #focussed, #h, #mouse_over, #opts, #parent, #relative, #visible, #w, #x, #x_pad, #y, #y_pad

Instance Method Summary collapse

Methods inherited from Widget

#_draw, #_focus, #_key_pressed, #_key_released, #_mouse_down, #_mouse_drag, #_mouse_dragging, #_mouse_motion, #_mouse_up, #_unfocus, #_update, #contains?, #disable, #enable, #enabled?, #focus, #focussed?, #get_color, #hide, #key_released, #modal?, #mouse_down, #mouse_dragging, #mouse_enter, #mouse_exit, #mouse_motion, #mouse_over?, #removed, #show, #tab_to?, #theme_property, #unfocus, #update, #update_rect, #visible?

Constructor Details

#initialize(text, opts = {}) ⇒ Button

Returns a new instance of Button.



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# File 'lib/rubygoo/button.rb', line 4

def initialize(text, opts={})
  super opts

  @icon = opts[:icon]

  @text = text
end

Instance Method Details

#added ⇒ Object 



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# File 'lib/rubygoo/button.rb', line 12

def added()
  font = theme_property :font
  @font_size = @opts[:font_size]
  @font_size ||= theme_property :font_size 
  @color = theme_property :color
  @bg_color = theme_property :bg_color
  @border_color = theme_property :border_color
  @focus_color = theme_property :focus_color
  @hover_color = theme_property :hover_color
  @disabled_color = theme_property :disabled_color

  @font_file = File.join(@app.theme_dir,font)
  @rendered_text ||= @app.renderer.render_text @text, @font_file, @font_size, @color

  @w = @rendered_text.width+2*@x_pad
  @h = @rendered_text.height+2*@y_pad
  @x = @x - @x_pad
  @y = @y - @y_pad

  update_rect
end

#draw(adapter) ⇒ Object 



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# File 'lib/rubygoo/button.rb', line 52

def draw(adapter)
  x1 = @rect[0]
  y1 = @rect[1]
  x2 = @rect[2] + x1
  y2 = @rect[3] + y1
  

  if @focussed
    adapter.fill x1, y1, x2, y2, @focus_color
  elsif @bg_color
    adapter.fill x1, y1, x2, y2, @bg_color
  end
  if @border_color
    adapter.draw_box x1, y1, x2, y2, @border_color
  end

  if mouse_over? and @hover_color
    adapter.fill x1, y1, x2, y2, @hover_color
  end

  if @disabled_color and !enabled?
    adapter.fill x1, y1, x2, y2, @disabled_color
  end

  if @icon
    # TODO center icon
    ix = x1#+((x2-x1)[email protected])
    iy = y1#+((y2-y1)[email protected])
    adapter.draw_image @icon, ix+@x_pad,iy+@y_pad
  end

  adapter.draw_image @rendered_text, @x+@x_pad, @y+@y_pad, @color

end

#key_pressed(event) ⇒ Object

called when a key press is sent to us



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# File 'lib/rubygoo/button.rb', line 45

def key_pressed(event)
  case event.data[:key]
  when K_SPACE
    fire :pressed, event
  end
end

#mouse_drag(event) ⇒ Object

called when there is a mouse click at the end of a drag



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# File 'lib/rubygoo/button.rb', line 40

def mouse_drag(event)
  fire :pressed, event
end

#mouse_up(event) ⇒ Object

called when there is a mouse click



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# File 'lib/rubygoo/button.rb', line 35

def mouse_up(event)
  fire :pressed, event
end