Minor cleanup.

[lsystem3d.git] / src / renderingsurface.h

// Copyright (C) 2006 Erik Dahlberg
// 
// This file is part of LSystem3D.
// 
// LSystem3D is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// LSystem3D is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with LSystem3D; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA




#ifndef RENDERINGSURFACE_H
#define RENDERINGSURFACE_H

#include "fx.h"
#include "fx3d.h"

#include "lindenmayersystem.h"



/**
 * The OpenGL rendering surface
 */
class RenderingSurface : public FXMainWindow
{
    // macro to set up class declaration
    FXDECLARE(RenderingSurface)
    
public:

    // message ID's
    enum
    {
        ID_CANVAS = FXMainWindow::ID_LAST,
        ID_LAST
    };
    
    
    /**
     * Constructor
     * @param application the application object
     */
    RenderingSurface(FXApp *application);
    
    /**
     * Destructor
     */
    virtual ~RenderingSurface();
    
    
    /**
     * Create and initialize the window
     */
    virtual void create();
    
    /**
     * Initialize OpenGL
     */
    void initOpenGL();
    
    /**
     * Force an update of the rendering surface
     */
    void draw();
    
    
    /**
     * Called by the system when the left mouse button is pressed
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onLeftMouseDown(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the left mouse button is released
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onLeftMouseUp(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the middle mouse button is pressed
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onMiddleMouseDown(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the middle mouse button is released
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onMiddleMouseUp(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the right mouse button is pressed
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onRightMouseDown(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the right mouse button is released
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onRightMouseUp(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the mouse is moved
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onMouseMove(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the rendering surface needs a repaint
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onRepaint(FXObject *sender, FXSelector selector, void *data);
    
    /**
     * Called by the system when the close button is pressed
     * @param sender the sender object
     * @param selector message type and id
     * @param data event related data
     * @return 
     */
    long onQuit(FXObject *sender, FXSelector selector, void *data);
    
    
    /**
     * Set current L-system generator
     * @param lsystem the L-system generator
     */
    void setLSystem(LindenmayerSystem *lsystem);

protected:
    
    /**
     * Constructor
     */
    RenderingSurface() {}
    
    
    FXGLVisual *_visual;    // Pixel format info
    FXGLCanvas *_canvas;    // OpenGL-capable drawing area

    LindenmayerSystem *_lsystem;    // The Lindenmayer system generator
    
    
    // Model position
    double _modelX,
           _modelY,
           _modelZ;

    // Model rotation
    double _modelRotationY;
            
    // Mouse button status
    bool _leftMouseDown,
         _middleMouseDown,
         _rightMouseDown;
};



#endif