GLWDragger.h

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#ifndef _GLWDragger_H_
#define _GLWDragger_H_

#include <GLW/GLWidget.h>

class GLWDraggerI
{
public:
        virtual void currentChanged(unsigned int id, float value) = 0;
};

class GLWDragger : public GLWidget
{
public:
        GLWDragger(float x = 0.0f, float y = 0.0f, float w = 0.0f, 
                float range = 0.0f);
        virtual ~GLWDragger();

        void setHandler(GLWDraggerI *handler) { handler_ = handler; }

        float getCurrent() { return current_; }
        void setCurrent(float current) { current_ = current; }

        virtual void mouseDown(int button, float x, float y, bool &skipRest);
        virtual void mouseUp(int button, float x, float y, bool &skipRest);
        virtual void mouseDrag(int button, float mx, float my, float x, float y, bool &skipRest);

        REGISTER_CLASS_HEADER(GLWDragger);

protected:
        GLWDraggerI *handler_;
        bool dragging_;
        float current_;
        float range_;

};

#endif /* _GLWDragger_H_ */

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