qmapplication.cpp

可以播放MP3,wma等文件格式的播放器

/* qmapplication.cpp
 *
 * $Id: qmapplication.cpp,v 1.3 2002/03/13 15:09:36 amos Exp $
 *
 * Apollo sound player: http://www.apolloplayer.org
 * Copyright(C) 2000-2002 Apollo Team.  See CREDITS file.
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The GNU General Public License is also available online at:
 *
 * http://www.gnu.org/copyleft/gpl.html
 */

#include "qmapplication.h"

#include <qlist.h>

class AppX11HackWidget: public QWidget
{
public:
    bool publicx11Event( XEvent * e) { return x11Event( e ); }
};


QmApplication* QmApplication::qmApp = 0L;


static QList<QWidget>*x11Filter = 0;
void QmApplication::installX11EventFilter( QWidget* filter )
{
    if ( !filter )
        return;
    if (!x11Filter)
        x11Filter = new QList<QWidget>;
    connect ( filter, SIGNAL( destroyed() ), this, SLOT( x11FilterDestroyed() ) );
    x11Filter->append( filter );
}

void QmApplication::x11FilterDestroyed()
{
    if ( !x11Filter || !sender() )
        return;
    QWidget* w = (QWidget*) sender();
    x11Filter->removeRef( w );
    if ( x11Filter->isEmpty() ) {
        delete x11Filter;
        x11Filter = 0;
    }
}

bool QmApplication::x11EventFilter( XEvent *_event )
{
    if (x11Filter) {
        for (QWidget* w=x11Filter->first(); w; w=x11Filter->next()) {
            if (((AppX11HackWidget*) w)->publicx11Event(_event))
                return true;
        }
    }
    return false;
}