Class: Gtk2HTML::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/gtk2html.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(html, irb: false) ⇒ Main

Returns a new instance of Main.



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# File 'lib/gtk2html.rb', line 362

def initialize(html, irb: false)
  
  @html = html
  @doc = Htmle.new(html, callback: self)
  
  @area = area = Gtk::DrawingArea.new
  client_code = []
  
  window = Gtk::Window.new
  
  @width = 320
  @height = 240
  @window = window
  window.set_default_size(@width, @height)
  
  @dirty = true
  
  
  area.signal_connect("expose_event") do      
    
    width, height = window.size

    @dirty = true if [@width, @height] != [width, height]

    
    if @dirty then

      Thread.new { @doc.root.xpath('//script').each {|x| eval x.text.unescape } }
      
      @width, @height = window.size
      instructions = Gtk2HTML::Render.new(@doc, @width, @height).to_a

      @layout_instructions = Gtk2HTML::Layout.new(instructions).to_a

    end

    drawing = Gtk2HTML::DrawingInstructions.new area
    drawing.render @layout_instructions
    @dirty = false
    
  end

  area.add_events(Gdk::Event::POINTER_MOTION_MASK) 

  area.signal_connect('motion_notify_event') do |item,  event|

    @doc.root.xpath('//*[@onmousemove]').each do |x|
                
      eval x.onmousemove() if x.hotspot? event.x, event.y
      
    end
  end

  area.add_events(Gdk::Event::BUTTON_PRESS_MASK) 

  area.signal_connect "button_press_event" do |item,event| 

    @doc.root.xpath('//*[@onmousedown]').each do |x|
                
      eval x.onmousedown() if x.hotspot? event.x, event.y
      
    end        
  end     
  
  window.add(area).show_all
  window.show_all.signal_connect("destroy"){Gtk.main_quit}

  irb ? Thread.new {Gtk.main  } : Gtk.main
end

Instance Attribute Details

#doc ⇒ Object

Returns the value of attribute doc.



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# File 'lib/gtk2html.rb', line 359

def doc
  @doc
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/gtk2html.rb', line 360

def height
  @height
end

#html ⇒ Object

Returns the value of attribute html.



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# File 'lib/gtk2html.rb', line 359

def html
  @html
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/gtk2html.rb', line 360

def width
  @width
end

#window ⇒ Object (readonly)

Returns the value of attribute window.



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# File 'lib/gtk2html.rb', line 360

def window
  @window
end

Instance Method Details

#onmousemove(x, y) ⇒ Object 



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# File 'lib/gtk2html.rb', line 432

def onmousemove(x,y)
  
end

#refresh ⇒ Object 



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# File 'lib/gtk2html.rb', line 436

def refresh()
  @dirty = true
  @area.queue_draw
end