i_qdial.h

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#ifndef i_qdial_h
#define i_qdial_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Nanne Hemstra
 Date:          January 2010
________________________________________________________________________

-*/

#include "uidial.h"

#include <QObject>
#include <QDial>


QT_BEGIN_NAMESPACE

class i_DialMessenger : public QObject
{
    Q_OBJECT
    friend class        uiDialBody;

protected:

i_DialMessenger( QDial* sndr, uiDial* receiver )
    : sender_(sndr)
    , receiver_(receiver)
{
    connect( sndr, SIGNAL(sliderMoved(int)), this, SLOT(sliderMoved(int)) );
    connect( sndr, SIGNAL(sliderPressed()), this, SLOT(sliderPressed()) );
    connect( sndr, SIGNAL(sliderReleased()), this, SLOT(sliderReleased()) );
    connect( sndr, SIGNAL(valueChanged(int)), this, SLOT(valueChanged(int)) );
}


private:

    uiDial*     receiver_;
    QDial*      sender_;

#define mTrigger( notifier ) \
    const int refnr = receiver_->beginCmdRecEvent( #notifier ); \
    receiver_->notifier.trigger(*receiver_); \
    receiver_->endCmdRecEvent( refnr, #notifier );

private slots:

void sliderMoved(int)   { mTrigger(sliderMoved); }
void sliderPressed()    { mTrigger(sliderPressed); }
void sliderReleased()   { mTrigger(sliderReleased); }
void valueChanged(int)  { mTrigger(valueChanged); }

#undef mTrigger

};

QT_END_NAMESPACE

#endif