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 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