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src/qt/src/kernel/qsignal.h
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00001 /****************************************************************************
00002 ** $Id: qt/qsignal.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QSignal class
00005 **
00006 ** Created : 941201
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the kernel module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QSIGNAL_H
00039 #define QSIGNAL_H
00040 
00041 #ifndef QT_H
00042 #include "qvariant.h"
00043 #include "qobject.h"
00044 #endif // QT_H
00045 
00046 
00047 class Q_EXPORT QSignal : public QObject
00048 {
00049     Q_OBJECT
00050 
00051 public:
00052     QSignal( QObject *parent=0, const char *name=0 );
00053     ~QSignal();
00054 
00055     bool        connect( const QObject *receiver, const char *member );
00056     bool        disconnect( const QObject *receiver, const char *member=0 );
00057 
00058     void        activate();
00059 
00060 #ifndef QT_NO_COMPAT
00061     bool        isBlocked()      const          { return QObject::signalsBlocked(); }
00062     void        block( bool b )         { QObject::blockSignals( b ); }
00063 #ifndef QT_NO_VARIANT
00064     void        setParameter( int value );
00065     int         parameter() const;
00066 #endif
00067 #endif
00068 
00069 #ifndef QT_NO_VARIANT
00070     void        setValue( const QVariant &value );
00071     QVariant    value() const;
00072 #endif
00073 signals:
00074 #ifndef QT_NO_VARIANT
00075     void signal( const QVariant& );
00076 #endif
00077     void intSignal( int );
00078 
00079 private:
00080 #ifndef QT_NO_VARIANT
00081     QVariant val;
00082 #endif
00083 private:        // Disabled copy constructor and operator=
00084 #if defined(Q_DISABLE_COPY)
00085     QSignal( const QSignal & );
00086     QSignal &operator=( const QSignal & );
00087 #endif
00088 };
00089 
00090 
00091 #endif // QSIGNAL_H
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