#include <Bonobo.idl>

module GNOME {

  module GtkMathView {

    typedef string element_id;

    interface View : Bonobo::Unknown {
      
      /**
        * load:
	* @uri: URI of a MathML document
	*
	* Loads the document at the specified URI in the component
	* and displays it. If the load is successful returns @TRUE,
	* @FALSE otherwise.
	*/
      boolean load (in string uri);

      /**
       * unload:
       *
       * Unload any loaded document from the component
       */
      void unload ();

      /**
        * freeze:
	*
	* Freezes the component. Any modification to the document is
	* not reflected by the view.
	*/
      void freeze ();

      /**
        * thaw:
	*
	* Thaws the component. If the document was changed while the
	* component was frozen, the view is updated.
	*/
      void thaw ();

      void setIdAttribute (in string ns, in string name);
      void getIdAttribute (out string ns, out string name);

      void select (in element_id elem);
      void unselect (in element_id elem);
      boolean isSelected (in element_id elem);

      /**
        * elementRectangle:
	* @elem: ID of the element
	* @x: x coordinate of the element
	* @y: y coordinate of the element
	* @width: width of the element
	* @height: height of the element
	*
	* Returns the position and the size of the rectangle includes @elem
	*/
      boolean elementBoundingBox (in element_id elem,
      				  out short x, out short y,
				  out short width, out short height, out short depth);

      void getBoundingBox (out short width, out short height, out short depth);

      void getSize (out short width, out short height,
      		    out short totalWidth, out short totalHeight);

      void getTop (out short x, out short y);
      void setTop (in short x, in short y);

      void setDefaultFontSize (in short size);
      short getDefaultFontSize ();

      void setVerbosity (in short level);
      short getVerbosity ();

    };

  };

};