- Your Widget Set For OpenGL

---

umousewheelevent.hpp

/***************************************************************************
    LibUFO - UI For OpenGL
    copyright         : (C) 2001-2005 by Johannes Schmidt
    email             : schmidtjf at users.sourceforge.net
                             -------------------

    file              : include/ufo/events/umousewheelevent.hpp
    begin             : Sun Jul 21 2002
    $Id: umousewheelevent.hpp,v 1.8 2005/05/21 15:17:23 schmidtjf Exp $
 ***************************************************************************/

/***************************************************************************
 *  This library is free software; you can redistribute it and/or          *
 * modify it under the terms of the GNU Lesser General Public              *
 * License as published by the Free Software Foundation; either            *
 * version 2.1 of the License, or (at your option) any later version.      *
 *                                                                         *
 * This library 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       *
 * Lesser General Public License for more details.                         *
 *                                                                         *
 * You should have received a copy of the GNU Lesser General Public        *
 * License along with this library; if not, write to the Free Software     *
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
 ***************************************************************************/

#ifndef UMOUSEWHEELEVENT_HPP
#define UMOUSEWHEELEVENT_HPP

#include "uinputevent.hpp"

#include "../util/upoint.hpp"

namespace ufo {

class UFO_EXPORT UMouseWheelEvent : public UInputEvent  {
    UFO_DECLARE_DYNAMIC_CLASS(UMouseWheelEvent)
public: // Public types
    enum {
        WHEEL_DATA = 120
    };
public:
    UMouseWheelEvent(
        UWidget * source,
        Type type,
        UMod_t modifiersA,
        const UPoint & pos,
        const UPoint & root,
        int delta,
        int wheel);

    UMouseWheelEvent(
        UWidget * source,
        Type type,
        UMod_t modifiersA,
        const UPoint & pos,
        int delta,
        int wheel);

    //
    // similar to mouse events
    //

    const UPoint & getLocation() const;
    const UPoint & getRootLocation() const;

    int getX() const;
    int getY() const;

    int getRootX() const;
    int getRootY() const;

    void translate(const UPoint & pos);

    //
    // new methods
    //

    int getWheel() const;

    int getDelta() const;

    int getWheelRotation() const;

protected: // Protected methods
    virtual std::ostream & paramString(std::ostream & os) const;

private: // Private attributes
    UPoint m_pos;
    UPoint m_root;

    int m_delta;
    int m_wheel;
};


//
// inline implementation
//


inline
UMouseWheelEvent::UMouseWheelEvent(
        UWidget * source,
        Type type,
        UMod_t modifiersA,
        const UPoint & pos,
        const UPoint & root,
        int delta,
        int wheel)
    : UInputEvent(source, type, modifiersA)
    , m_pos(pos)
    , m_root(root)
    , m_delta(delta)
    , m_wheel(wheel) {}

inline
UMouseWheelEvent::UMouseWheelEvent(
        UWidget * source,
        Type type,
        UMod_t modifiersA,
        const UPoint & pos,
        int delta,
        int wheel)
    : UInputEvent(source, type, modifiersA)
    , m_pos(pos)
    , m_root(pos)
    , m_delta(delta)
    , m_wheel(wheel) {}


inline const UPoint &
UMouseWheelEvent::getLocation() const {
    return m_pos;
}

inline const UPoint &
UMouseWheelEvent::getRootLocation() const {
    return m_root;
}

inline int
UMouseWheelEvent::getX() const {
    return m_pos.x;
}

inline int
UMouseWheelEvent::getY() const {
    return m_pos.y;
}

inline int
UMouseWheelEvent::getRootX() const {
    return m_root.x;
}

inline int
UMouseWheelEvent::getRootY() const {
    return m_root.y;
}

inline void
UMouseWheelEvent::translate(const UPoint & pos) {
    m_pos.translate(pos);
    m_root.translate(pos);
}

inline int
UMouseWheelEvent::getWheel() const {
    return m_wheel;
}
inline int
UMouseWheelEvent::getDelta() const {
    return m_delta;
}

inline int
UMouseWheelEvent::getWheelRotation() const {
    return m_delta / WHEEL_DATA;
}

} // namespace ufo

#endif // UMOUSEWHEELEVENT_HPP

---