Class: Gtk2SVG::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/gtk2svg.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(svg, irb: false, title: 'Window', debug: @debug) ⇒ Main

Returns a new instance of Main.



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# File 'lib/gtk2svg.rb', line 304

def initialize(svg, irb: false, title: 'Window', debug: @debug)
  
  @svg, @debug = svg, debug
  @doc = Svgle.new(svg, callback: self, debug: debug)

  @area = area = Gtk::DrawingArea.new
  
  doc = @doc
  
  def @doc.element_by_id(id)
    self.root.element("//*[@id='#{id}']")
  end            
  

  

  client_code = []
  
  puts ('title: ' + title.inspect).debug if @debug
  window = Gtk::Window.new title
  @width, @height = %i(width height).map{|x| @doc.root.attributes[x].to_i }
  
  if @width and @height then
    window.set_default_size(@width, @height)
  end
  
  @dirty = true
  
  @doc.root.xpath('//script').each {|x| eval x.text.unescape }
  
  area.signal_connect("expose_event") do      

    if @dirty then
      
      Thread.new { @doc.root.xpath('//script').each {|x| eval x.text.unescape } }

      @instructions = Gtk2SVG::Render.new(@doc, debug: debug).to_a
    end
    
    drawing = DrawingInstructions.new area, debug: debug
    drawing.render @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


  @doc.root.xpath('//*[@onload]').each do |x|
              
    eval x.onload()
    
  end
  
  #Thread.new do
  #  3.times { x1 -= 1; @area.queue_draw; sleep 0.1}
  #end

  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/gtk2svg.rb', line 301

def doc
  @doc
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/gtk2svg.rb', line 302

def height
  @height
end

#svg ⇒ Object

Returns the value of attribute svg.



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# File 'lib/gtk2svg.rb', line 301

def svg
  @svg
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/gtk2svg.rb', line 302

def width
  @width
end

Class Method Details

.element_by_id(id) ⇒ Object 



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# File 'lib/gtk2svg.rb', line 313

def @doc.element_by_id(id)
  self.root.element("//*[@id='#{id}']")
end

Instance Method Details

#onmousemove(x, y) ⇒ Object 



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# File 'lib/gtk2svg.rb', line 389

def onmousemove(x,y)
  
end

#timeout(duration, loopx = true) ⇒ Object 



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# File 'lib/gtk2svg.rb', line 398

def timeout(duration, loopx=true)
  
  GLib::Timeout.add(duration) do 
    yield
    @area.queue_draw
    loopx
  end

end