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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