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#ifndef VPVM_INTERPOLATIONGRAPHWIDGET_H
#define VPVM_INTERPOLATIONGRAPHWIDGET_H

#include "BoneMotionModel.h"
#include "SceneMotionModel.h"

#include <vpvl2/IBoneKeyframe.h>
#include <vpvl2/ICameraKeyframe.h>

#include <QAbstractItemView>
#include <QWidget>

class QComboBox;
class QHBoxLayout;

namespace vpvm
{

using namespace vpvl2;
class BoneMotionModel;
class SceneMotionModel;

class InterpolationGraphWidget : public QWidget
{
    Q_OBJECT

public:
    static const int kCircleWidth = 8;
    static const int kMin = 0;
    static const int kMax = 127;
    enum Type {
        kBone,
        kCamera
    };

    InterpolationGraphWidget(BoneMotionModel *bmm, SceneMotionModel *smm, QWidget *parent = 0);
    ~InterpolationGraphWidget();

    void setModelIndices(const QModelIndexList &indices);
    void setType(Type value) { m_type = value; }
    void setLinearInterpolation();
    void reset();
    void save();

public slots:
    void setX1(int value);
    void setX2(int value);
    void setY1(int value);
    void setY2(int value);

signals:
    void x1ValueDidChange(int value);
    void x2ValueDidChange(int value);
    void y1ValueDidChange(int value);
    void y2ValueDidChange(int value);

protected:
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void paintEvent(QPaintEvent *event);

private slots:
    void applyAll();
    void selectParameterType(int value);

private:
    void updateValues(bool import);
    void setValue(QuadWord &q, bool import);
    void setDefault(QuadWord &q);

    BoneMotionModel *m_boneMotionModelRef;
    SceneMotionModel *m_sceneMotionModelRef;
    BoneMotionModel::KeyFramePairList m_boneKeyframes;
    SceneMotionModel::CameraKeyframePairList m_cameraKeyframes;
    IBoneKeyframe::InterpolationParameter m_boneIP;
    IBoneKeyframe::InterpolationParameter m_preservedBoneIP;
    ICameraKeyframe::InterpolationParameter m_cameraIP;
    ICameraKeyframe::InterpolationParameter m_preservedCameraIP;
    QPoint m_p1;
    QPoint m_p2;
    Type m_type;
    int m_index;
    bool m_p1Clicked;
    bool m_p2Clicked;

    Q_DISABLE_COPY(InterpolationGraphWidget)
};

} /* namespace vpvm */

#endif // INTERPOLATIONWIDGET_H
