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+'\" t
+.TH QObjectCleanupHandler 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
+.\" Copyright 1992-2007 Trolltech ASA.  All rights reserved.  See the
+.\" license file included in the distribution for a complete license
+.\" statement.
+.\"
+.ad l
+.nh
+.SH NAME
+QObjectCleanupHandler \- Watches the lifetime of multiple QObjects
+.SH SYNOPSIS
+\fC#include <qobjectcleanuphandler.h>\fR
+.PP
+Inherits QObject.
+.PP
+.SS "Public Members"
+.in +1c
+.ti -1c
+.BI "\fBQObjectCleanupHandler\fR ()"
+.br
+.ti -1c
+.BI "\fB~QObjectCleanupHandler\fR ()"
+.br
+.ti -1c
+.BI "QObject * \fBadd\fR ( QObject * object )"
+.br
+.ti -1c
+.BI "void \fBremove\fR ( QObject * object )"
+.br
+.ti -1c
+.BI "bool \fBisEmpty\fR () const"
+.br
+.ti -1c
+.BI "void \fBclear\fR ()"
+.br
+.in -1c
+.SH DESCRIPTION
+The QObjectCleanupHandler class watches the lifetime of multiple QObjects.
+.PP
+A QObjectCleanupHandler is useful whenever you need to know when a number of QObjects that are owned by someone else have been deleted. This is important, for example, when referencing memory in an application that has been allocated in a shared library.
+.PP
+Example:
+.PP
+.nf
+.br
+    class FactoryComponent : public FactoryInterface, public QLibraryInterface
+.br
+    {
+.br
+    public:
+.br
+        ...
+.br
+.br
+        QObject *createObject();
+.br
+.br
+        bool init();
+.br
+        void cleanup();
+.br
+        bool canUnload() const;
+.br
+.br
+    private:
+.br
+        QObjectCleanupHandler objects;
+.br
+    };
+.br
+.br
+    // allocate a new object, and add it to the cleanup handler
+.br
+    QObject *FactoryComponent::createObject()
+.br
+    {
+.br
+        return objects.add( new QObject() );
+.br
+    }
+.br
+.br
+    // QLibraryInterface implementation
+.br
+    bool FactoryComponent::init()
+.br
+    {
+.br
+        return TRUE;
+.br
+    }
+.br
+.br
+    void FactoryComponent::cleanup()
+.br
+    {
+.br
+    }
+.br
+.br
+    // it is only safe to unload the library when all QObject's have been destroyed
+.br
+    bool FactoryComponent::canUnload() const
+.br
+    {
+.br
+        return objects.isEmpty();
+.br
+    }
+.br
+.fi
+.PP
+See also Object Model.
+.SH MEMBER FUNCTION DOCUMENTATION
+.SH "QObjectCleanupHandler::QObjectCleanupHandler ()"
+Constructs an empty QObjectCleanupHandler.
+.SH "QObjectCleanupHandler::~QObjectCleanupHandler ()"
+Destroys the cleanup handler. All objects in this cleanup handler will be deleted.
+.SH "QObject * QObjectCleanupHandler::add ( QObject * object )"
+Adds \fIobject\fR to this cleanup handler and returns the pointer to the object.
+.SH "void QObjectCleanupHandler::clear ()"
+Deletes all objects in this cleanup handler. The cleanup handler becomes empty.
+.SH "bool QObjectCleanupHandler::isEmpty () const"
+Returns TRUE if this cleanup handler is empty or if all objects in this cleanup handler have been destroyed; otherwise return FALSE.
+.SH "void QObjectCleanupHandler::remove ( QObject * object )"
+Removes the \fIobject\fR from this cleanup handler. The object will
+not be destroyed.
+
+.SH "SEE ALSO"
+.BR http://doc.trolltech.com/qobjectcleanuphandler.html
+.BR http://www.trolltech.com/faq/tech.html
+.SH COPYRIGHT
+Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com.  See the
+license file included in the distribution for a complete license
+statement.
+.SH AUTHOR
+Generated automatically from the source code.
+.SH BUGS
+If you find a bug in Qt, please report it as described in
+.BR http://doc.trolltech.com/bughowto.html .
+Good bug reports help us to help you. Thank you.
+.P
+The definitive Qt documentation is provided in HTML format; it is
+located at $QTDIR/doc/html and can be read using Qt Assistant or with
+a web browser. This man page is provided as a convenience for those
+users who prefer man pages, although this format is not officially
+supported by Trolltech. 
+.P
+If you find errors in this manual page, please report them to
+.BR [email protected] .
+Please include the name of the manual page (qobjectcleanuphandler.3qt) and the Qt
+version (3.3.8).