FlowVis/LayerWidget.h

#ifndef LAYERWIDGET_H
#define LAYERWIDGET_H
#include "transfersettingswidget.h"

#define TYPE_TEXTURE 0
#define TYPE_ARROWS 1
#define TYPE_STREAMLINES 2

#include <QDataStream>
#include <QtGui>


class LayerWidget : public QWidget
{
        Q_OBJECT
        
public:
        LayerWidget(QWidget *parent=NULL);
        ~LayerWidget();
        
        friend QDataStream &operator<<(QDataStream &out, const LayerWidget *layer);

        friend QDataStream &operator>>(QDataStream &in, LayerWidget *layer);
private:
        QPushButton *up,*down,*remove;

        QGroupBox * box;
        QComboBox *comboBoxType;
        QComboBox *comboBoxChannel;

        QLabel *labelType;
        QLabel *labelChannel;

        QGridLayout  *grid;

        TransferSettingsWidget *transfer;
        QHBoxLayout *layout;

        void connectSignals();

signals:
        void buttonClicked(int button,LayerWidget *sender);

        void typeChanged(int newType, LayerWidget *sender);

        void channelChanged(int newChannel, LayerWidget *sender);

        void transferImageUpdated(const QImage& image, LayerWidget *sender);
        

private slots:
        void downButtonClicked(){emit buttonClicked(0,this);}

        void upButtonClicked(){emit buttonClicked(1,this);}

        void removeButtonClicked(){emit buttonClicked(2,this);}

        void typeComboBoxChanged(const QString &text);

        void channelComboBoxChanged(int index){emit channelChanged(index,this);}

        void transferImageUpdated(const QImage& image){emit transferImageUpdated(image,this);}
        
public slots:

        void channelCountChanged(int channels);
};


QDataStream &operator<<(QDataStream &out, const LayerWidget *layer);


QDataStream &operator>>(QDataStream &in, LayerWidget *layer);

#endif // LAYERWIDGET_H