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131 lines
2.8 KiB
131 lines
2.8 KiB
/*
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Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef TQT_TQCLEANUPHANDLER_H
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#define TQT_TQCLEANUPHANDLER_H
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#include <tqt.h>
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#ifdef USE_QT3
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// Reimplement the QCleanupHandler class
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// For Qt3, no changes are needed
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#include <qcleanuphandler.h>
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#endif // USE_QT3
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#ifdef USE_QT4
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// Reimplement the QCleanupHandler class
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// For Qt4, some changes are needed
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//#include <Qt/qcleanuphandler.h>
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#include "tqptrlist.h"
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template<class Type>
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class TQCleanupHandler
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{
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public:
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TQCleanupHandler() : cleanupObjects( 0 ) {}
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~TQCleanupHandler() { clear(); }
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Type* add( Type **object ) {
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if ( !cleanupObjects )
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cleanupObjects = new Q3PtrList<Type*>;
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cleanupObjects->insert( 0, object );
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return *object;
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}
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void remove( Type **object ) {
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if ( !cleanupObjects )
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return;
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if ( cleanupObjects->findRef( object ) >= 0 )
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(void) cleanupObjects->take();
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}
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bool isEmpty() const {
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return cleanupObjects ? cleanupObjects->isEmpty() : TRUE;
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}
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void clear() {
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if ( !cleanupObjects )
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return;
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Q3PtrListIterator<Type*> it( *cleanupObjects );
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Type **object;
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while ( ( object = it.current() ) ) {
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delete *object;
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*object = 0;
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cleanupObjects->remove( object );
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}
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delete cleanupObjects;
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cleanupObjects = 0;
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}
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private:
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Q3PtrList<Type*> *cleanupObjects;
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};
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template<class Type>
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class TQSingleCleanupHandler
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{
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public:
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TQSingleCleanupHandler() : object( 0 ) {}
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~TQSingleCleanupHandler() {
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if ( object ) {
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delete *object;
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*object = 0;
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}
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}
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Type* set( Type **o ) {
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object = o;
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return *object;
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}
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void reset() { object = 0; }
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private:
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Type **object;
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};
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template<class Type>
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class TQSharedCleanupHandler
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{
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public:
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TQSharedCleanupHandler() : object( 0 ) {}
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~TQSharedCleanupHandler() {
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if ( object ) {
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if ( (*object)->deref() )
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delete *object;
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*object = 0;
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}
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}
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Type* set( Type **o ) {
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object = o;
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return *object;
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}
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void reset() { object = 0; }
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private:
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Type **object;
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};
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#endif // USE_QT4
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#endif /* TQT_TQCLEANUPHANDLER_H */ |