playlistwidget.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.7平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef PLAY_LIST_WIDGET_H
#define PLAY_LIST_WIDGET_H


#include <qmainwindow.h>
#include <qmenubar.h>
#include <qtopia/applnk.h>
#include "mediaplayerstate.h"


class PlayListWidgetPrivate;
class Config;


class PlayListWidget : public QMainWindow {
    Q_OBJECT
public:
    PlayListWidget( QWidget* parent=0, const char* name=0, WFlags fl=0 );
    ~PlayListWidget();

    void loadFiles();

    // retrieve the current playlist entry (media file link)
    const DocLnk *current();

    // Little helper function to test if we should handle a key press or not
    bool listHasFocus();

public slots:
    void setDocument( const QString& fileref );
    void addToSelection( const DocLnk& ); // Add a media file to the playlist
    void setActiveWindow(); // need to handle this to show the right view
    //void setPlaylist( bool ); // Show/Hide the playlist
    void setView( View );
    void viewClosed();
    void saveList();  // Save the playlist
    void loadList();  // Load a playlist
    bool first();
    bool last();
    bool next();
    bool prev();
    void addRemoveSelected();
    void showInfo();
    void updateActions();
    void skinChanged( int id );

protected:
    void resizeEvent( QResizeEvent * );

private:
    void readPlayList( QString filename );
    void writePlayList( QString filename ) const;

    void readWinAmpPlayListFile( QString filename );
    void writeWinAmpPlayListFile( QString filename ) const;

    void initializeStates();
    PlayListWidgetPrivate *d; // Private implementation data
};


#endif // PLAY_LIST_WIDGET_H