source: src/UIElements/Views/Qt4/GLMoleculeView.hpp@ b40b9d

/*
 * GLMoleculeView.hpp
 *
 *  Created on: Auf 11, 2010
 *      Author: heber
 */

#ifndef GLMOLECULEVIEW_HPP_
#define GLMOLECULEVIEW_HPP_

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <qgl.h>
#include <qdialog.h>
#include <qlabel.h>
#include <qlineedit.h>
//#include <qwidgetfactory.h>

#include "CodePatterns/Observer.hpp"
#include "LinearAlgebra/Vector.hpp"
#include "changetypes.hpp"

class atom;
class element;
class molecule;

class GLMoleculeView : public QGLWidget, public Observer
{
    Q_OBJECT

public:

    GLMoleculeView( QWidget* parent);
    ~GLMoleculeView();

public slots:

    void    setXRotation( int degrees );
    void    setYRotation( int degrees );
    void    setZRotation( int degrees );
    void    setScale( int distance );
    void    setLightPosition( int *light );
    void    setLightDiffuse( int *light );
    void    setLightAmbient( int *light );
    void    createDialogLight();
    void    toggleMultiViewEnabled();

    void    init( QLabel *ptr );
    void    initCoordinates(QLabel *ptr);
    void    createView();
    void    hearMoleculeSelected(molecule *mol);
    void    hearAtomSelected(molecule *mol, atom *Walker);
    void    hearMoleculeChanged(molecule *mol, enum ChangesinMolecule type);
    void    hearAtomChanged(molecule *mol, atom *Walker, enum ChangesinAtom type);
    void    hearElementChanged(element *Runner, enum ChangesinElement type);
    void    hearMoleculeAdded(molecule *mol);
    void    hearAtomAdded(molecule *mol, atom *Walker);
    void    hearMoleculeRemoved(molecule *mol);
    void    hearAtomRemoved(molecule *mol, atom *Walker);

signals:
    void    notifyMoleculeSelected( molecule *mol );
    void    notifyAtomSelected( molecule *mol, atom *Walker );
    void    notifyMoleculeChanged( molecule *mol, enum ChangesinMolecule type );
    void    notifyAtomChanged( molecule *mol, atom *Walker, enum ChangesinAtom type );
    void    notifyElementChanged( element *Runner, enum ChangesinElement type );
    void    notifyMoleculeAdded( molecule *mol);
    void    notifyElementAdded( element *Runner);
    void    notifyAtomAdded( molecule *mol, atom *Walker );
    void    notifyMoleculeRemoved( molecule *mol );
    void    notifyAtomRemoved( molecule *mol, atom *Walker );

protected:

    void    initializeGL();
    void    paintGL();
    void    resizeGL( int w, int h );
    void    makeSphere(const Vector &x, double radius, const unsigned char color[3]);
    void    makeCylinder(const Vector &x, const Vector &y, double radius, double height, const unsigned char color[3]);
    void mousePressEvent(QMouseEvent* event);
    void mouseReleaseEvent(QMouseEvent* event);

public:

    /** Update function as we are an Observer.
     *
     * @param publisher ref to Observable
     */
    void update(Observable *publisher);

    /**
     * This method is called when a special named change
     * of the Observable occured
     */
    void recieveNotification(Observable *publisher, Notification_ptr notification);

    /**
     * This method is called when the observed object is destroyed.
     */
    void subjectKilled(Observable *publisher);


private:

    GLuint object;  // call list for the scene to be rendered
    GLfloat xRot, yRot, zRot, scale;  // rotation angles and scaling (zoom)
    Vector position;  //!< position of observer
    Vector view;      //!< point along line of view
    Vector top;       //!< giving upwards direction
    Vector X,Y,Z;     //!< vectors defining the coordinate system
    int width;        //!< width of window
    int height;       //!< height of window

  QLabel *StatusBar;  //!< pointer to status bar for messages
  QLabel *CoordinatesBar; //!< pointer to coordinates bar for view port

  GLfloat LightPosition[4];        //!< Light Position
  GLfloat LightDiffuse[4];         //!< Diffuse Light Values
  GLfloat LightAmbient[4];        //!< Ambient Light Values

  QPoint LeftButtonPos;     //!< mouse position on mousePressEvent for LeftButton
  QPoint MiddleButtonPos;   //!< mouse position on mousePressEvent for MidButton
  QPoint RightButtonPos;    //!< mouse position on mousePressEvent for RightButton

  unsigned char SelectionColor[3] ; //!< highlight color

  bool isSignaller;

  bool MultiViewEnabled;    //!< if true, split screen into four parts with additional xy,xz,yz views
};

#endif /* GLMOLECULEVIEW_HPP_ */