i_qlineedit.h

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#ifndef i_qlineedit_h
#define i_qlineedit_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Lammertink
 Date:          25/05/2000
 RCS:           $Id$
________________________________________________________________________

-*/

#include "uilineedit.h"

#include <QLineEdit>

QT_BEGIN_NAMESPACE

class QString;


class i_lineEditMessenger : public QObject
{
    Q_OBJECT
    friend class        uiLineEditBody;

protected:
i_lineEditMessenger( QLineEdit* sndr, uiLineEdit* receiver )
    : sender_( sndr )
    , receiver_( receiver )
{
    connect( sndr, SIGNAL(returnPressed()),
             this, SLOT(returnPressed()) );
    connect( sndr, SIGNAL(editingFinished()),
             this, SLOT(editingFinished()) );
    connect( sndr, SIGNAL(textChanged(const QString&)),
             this, SLOT(textChanged(const QString&)) );
    connect( sndr, SIGNAL(selectionChanged()),
             this, SLOT(selectionChanged()) );
}

private:

    uiLineEdit* receiver_;
    QLineEdit*  sender_;

private slots:

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

    void                editingFinished()
                        {
                            if ( !sender_->isModified() )
                                return;

                            mTrigger( editingFinished );
                        }

    void                returnPressed()
                        { mTrigger( returnPressed ); }
    void                textChanged(const QString&)
                        { mTrigger( textChanged ); }

    void                selectionChanged()
                        { receiver_->selectionChanged.trigger(*receiver_); }
#undef mTrigger
};

QT_END_NAMESPACE

#endif