From 27917305452f2a55ae3be74e83b8a724248ec43f Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Thu, 26 Jan 2012 20:43:47 -0600
Subject: Split out qt3 and tqt3 files

---
 qtinterface/interface_tqt3/tqcleanuphandler.h | 131 ++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 qtinterface/interface_tqt3/tqcleanuphandler.h

(limited to 'qtinterface/interface_tqt3/tqcleanuphandler.h')

diff --git a/qtinterface/interface_tqt3/tqcleanuphandler.h b/qtinterface/interface_tqt3/tqcleanuphandler.h
new file mode 100644
index 0000000..0e0a2bb
--- /dev/null
+++ b/qtinterface/interface_tqt3/tqcleanuphandler.h
@@ -0,0 +1,131 @@
+/*
+
+Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with this library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.
+
+*/
+
+#ifndef TQT_TQCLEANUPHANDLER_H
+#define TQT_TQCLEANUPHANDLER_H
+
+#include <tqt.h>
+
+#ifdef USE_QT3
+
+// Reimplement the QCleanupHandler class
+// For Qt3, no changes are needed
+
+#include <ntqcleanuphandler.h>
+
+#endif // USE_QT3
+
+#ifdef USE_QT4
+
+// Reimplement the QCleanupHandler class
+// For Qt4, some changes are needed
+
+//#include <Qt/ntqcleanuphandler.h>
+
+#include "tntqptrlist.h"
+
+template<class Type>
+class TQCleanupHandler
+{
+public:
+    TQCleanupHandler() : cleanupObjects( 0 ) {}
+    ~TQCleanupHandler() { clear(); }
+
+    Type* add( Type **object ) {
+	if ( !cleanupObjects )
+	    cleanupObjects = new Q3PtrList<Type*>;
+	cleanupObjects->insert( 0, object );
+	return *object;
+    }
+
+    void remove( Type **object ) {
+	if ( !cleanupObjects )
+	    return;
+	if ( cleanupObjects->findRef( object ) >= 0 )
+	    (void) cleanupObjects->take();
+    }
+
+    bool isEmpty() const {
+	return cleanupObjects ? cleanupObjects->isEmpty() : TRUE;
+    }
+
+    void clear() {
+	if ( !cleanupObjects )
+	    return;
+	Q3PtrListIterator<Type*> it( *cleanupObjects );
+	Type **object;
+	while ( ( object = it.current() ) ) {
+	    delete *object;
+	    *object = 0;
+	    cleanupObjects->remove( object );
+	}
+	delete cleanupObjects;
+	cleanupObjects = 0;
+    }
+
+private:
+    Q3PtrList<Type*> *cleanupObjects;
+};
+
+template<class Type>
+class TQSingleCleanupHandler
+{
+public:
+    TQSingleCleanupHandler() : object( 0 ) {}
+    ~TQSingleCleanupHandler() {
+	if ( object ) {
+	    delete *object;
+	    *object = 0;
+	}
+    }
+    Type* set( Type **o ) {
+	object = o;
+	return *object;
+    }
+    void reset() { object = 0; }
+private:
+    Type **object;
+};
+
+template<class Type>
+class TQSharedCleanupHandler
+{
+public:
+    TQSharedCleanupHandler() : object( 0 ) {}
+    ~TQSharedCleanupHandler() {
+	if ( object ) {
+	    if ( (*object)->deref() )
+		delete *object;
+	    *object = 0;
+	}
+    }
+    Type* set( Type **o ) {
+	object = o;
+	return *object;
+    }
+    void reset() { object = 0; }
+private:
+    Type **object;
+};
+
+#endif // USE_QT4
+
+#endif /* TQT_TQCLEANUPHANDLER_H */
\ No newline at end of file
-- 
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