Method setPixelsPerTact

src/gui/TrackContainerView.cpp:309–319

void TrackContainerView::setPixelsPerTact( int _ppt )
{
	m_ppt = _ppt;

	// tell all TrackContentWidgets to update their background tile pixmap
	for( trackViewList::Iterator it = m_trackViews.begin();
						it != m_trackViews.end(); ++it )
	{
		( *it )->getTrackContentWidget()->updateBackground();
	}
}