Files
lmms/src/core/mv_base.cpp
T

86 lines
1.8 KiB
C++

/*
* mv_base.cpp - base for M/V-architecture of LMMS
*
* Copyright (c) 2007-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <assert.h>
#include <QtGui/QWidget>
#include "mv_base.h"
modelView::modelView( model * _model ) :
m_model( _model )
{
}
void modelView::setModel( model * _model, bool _old_model_valid )
{
QWidget * w = dynamic_cast<QWidget *>( this );
assert( w != NULL );
if( _old_model_valid && m_model != NULL )
{
if( m_model->defaultConstructed() )
{
delete m_model;
}
else
{
m_model->disconnect( w );
}
}
m_model = _model;
doConnections();
w->update();
modelChanged();
}
void modelView::doConnections( void )
{
if( m_model != NULL )
{
QWidget * w = dynamic_cast<QWidget *>( this );
QObject::connect( m_model, SIGNAL( dataChanged() ),
w, SLOT( update() ), Qt::QueuedConnection );
QObject::connect( m_model, SIGNAL( propertiesChanged() ),
w, SLOT( update() ), Qt::QueuedConnection );
}
}
#include "mv_base.moc"