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#include <kdemodalityfilter.hxx>

#include <kapplication.h>
#include <kdialogbase.h>

#include <netwm.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>

//////////////////////////////////////////////////////////////////////////
// Modality filter
//////////////////////////////////////////////////////////////////////////

KDEModalityFilter::KDEModalityFilter( WId nWinId )
    : m_nWinId( nWinId )
{
    kapp->installEventFilter( this );
}

KDEModalityFilter::~KDEModalityFilter()
{
    kapp->removeEventFilter( this );
}

bool KDEModalityFilter::eventFilter( QObject *pObject, QEvent *pEvent )
{
    if ( pObject->isWidgetType() && pEvent->type() == QEvent::Show )
    {
        KDialogBase* pDlg = ::qt_cast< KDialogBase* >( pObject );
        if ( pDlg != NULL && m_nWinId != 0 )
        {
            XSetTransientForHint( qt_xdisplay(), pDlg->winId(), m_nWinId );
            m_nWinId = 0;
        }
    }
    return false;
}

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