source: trunk/demos/boxes/scene.h@ 678

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#ifndef SCENE_H
#define SCENE_H

//#include <GL/glew.h>
#include "glextensions.h"

#include <QtGui>
#include <QtOpenGL>

#include "roundedbox.h"
#include "gltrianglemesh.h"
#include "trackball.h"
#include "glbuffers.h"
#include "qtbox.h"

#define PI 3.14159265358979

QT_BEGIN_NAMESPACE
class QMatrix4x4;
QT_END_NAMESPACE

class ParameterEdit : public QWidget
{
public:
    virtual void emitChange() = 0;
};

class ColorEdit : public ParameterEdit
{
    Q_OBJECT
public:
    ColorEdit(QRgb initialColor, int id);
    QRgb color() const {return m_color;}
    virtual void emitChange() {emit colorChanged(m_color, m_id);}
public slots:
    void editDone();
signals:
    void colorChanged(QRgb color, int id);
protected:
    virtual void mousePressEvent(QMouseEvent *event);
    void setColor(QRgb color); // also emits colorChanged()
private:
    QGraphicsScene *m_dialogParentScene;
    QLineEdit *m_lineEdit;
    QFrame *m_button;
    QRgb m_color;
    int m_id;
};

class FloatEdit : public ParameterEdit
{
    Q_OBJECT
public:
    FloatEdit(float initialValue, int id);
    float value() const {return m_value;}
    virtual void emitChange() {emit valueChanged(m_value, m_id);}
public slots:
    void editDone();
signals:
    void valueChanged(float value, int id);
private:
    QGraphicsScene *m_dialogParentScene;
    QLineEdit *m_lineEdit;
    float m_value;
    int m_id;
};

class GraphicsWidget : public QGraphicsProxyWidget
{
public:
    GraphicsWidget() : QGraphicsProxyWidget(0, Qt::Window) {}
protected:
    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
    virtual void resizeEvent(QGraphicsSceneResizeEvent *event);