Qmmp
/usr/src/RPM/BUILD/qmmp-0.7-svn/src/qmmp/visual.h
00001 /***************************************************************************
00002  *   Copyright (C) 2008-2012 by Ilya Kotov                                 *
00003  *   forkotov02@hotmail.ru                                                 *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU General Public License as published by  *
00007  *   the Free Software Foundation; either version 2 of the License, or     *
00008  *   (at your option) any later version.                                   *
00009  *                                                                         *
00010  *   This program is distributed in the hope that it will be useful,       *
00011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00013  *   GNU General Public License for more details.                          *
00014  *                                                                         *
00015  *   You should have received a copy of the GNU General Public License     *
00016  *   along with this program; if not, write to the                         *
00017  *   Free Software Foundation, Inc.,                                       *
00018  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
00019  ***************************************************************************/
00020 #ifndef VISUAL_H
00021 #define VISUAL_H
00022 
00023 #include <QMutex>
00024 #include <QStringList>
00025 #include <QWidget>
00026 #include <QHash>
00027 
00028 class Buffer;
00029 class Decoder;
00030 class Output;
00031 class VisualFactory;
00032 
00036 class Visual : public QWidget
00037 {
00038     Q_OBJECT
00039 public:
00044     Visual(QWidget *parent);
00048     virtual ~Visual();
00056     virtual void add(unsigned char *data, qint64 size, int chan) = 0;
00061     virtual void clear() = 0;
00065     QMutex *mutex();
00069     static QList<VisualFactory*> *factories();
00074     static QString file(VisualFactory *factory);
00080     static void setEnabled(VisualFactory* factory, bool enable = true);
00085     static bool isEnabled(VisualFactory* factory);
00089     static void add(Visual*visual);
00093     static void remove(Visual*);
00100     static void initialize(QWidget *parent, QObject *receiver = 0, const char *member = 0);
00104     static QList<Visual *> *visuals();
00110     static void showSettings(VisualFactory *factory, QWidget *parent);
00111 
00112 signals:
00116     void closedByUser();
00117 
00118 protected:
00123     virtual void closeEvent (QCloseEvent *event);
00124 
00125 private:
00126     Decoder *m_decoder;
00127     Output *m_output;
00128     QMutex m_mutex;
00129 
00130     static QList<VisualFactory*> *m_factories;
00131     static QHash <VisualFactory*, QString> *m_files;
00132     static void checkFactories();
00133     static QList<Visual*>  m_visuals;
00134     static QHash<VisualFactory*, Visual*> m_vis_map; //internal visualization
00135     static QWidget *m_parentWidget;
00136     static QObject *m_receiver;
00137     static const char *m_member;
00138 };
00139 
00140 #endif
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