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IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** $QT_END_LICENSE$ ** ****************************************************************************/ //! [0] struct MyStructure { int count; QString name; }; Q_DECLARE_METATYPE(MyStructure) // Marshall the MyStructure data into a D-Bus argument QDBusArgument &operator<<(QDBusArgument &argument, const MyStructure &mystruct) { argument.beginStructure(); argument << mystruct.count << mystruct.name; argument.endStructure(); return argument; } // Retrieve the MyStructure data from the D-Bus argument const QDBusArgument &operator>>(const QDBusArgument &argument, MyStructure &mystruct) { argument.beginStructure(); argument >> mystruct.count >> mystruct.name; argument.endStructure(); return argument; } //! [0] //! [1] qDBusRegisterMetaType(); //! [1] //! [2] MyType item = qdbus_cast(argument); //! [2] //! [3] MyType item; argument >> item; //! [3] //! [4] QDBusArgument &operator<<(QDBusArgument &argument, const MyStructure &mystruct) { argument.beginStructure(); argument << mystruct.member1 << mystruct.member2 << ... ; argument.endStructure(); return argument; } //! [4] //! [5] QDBusArgument &operator<<(QDBusArgument &argument, const MyStructure &mystruct) { argument.beginStructure(); argument << mystruct.member1 << mystruct.member2; argument.beginStructure(); argument << mystruct.member3.subMember1 << mystruct.member3.subMember2; argument.endStructure(); argument << mystruct.member4; argument.endStructure(); return argument; } //! [5] //! [6] // append an array of MyElement types QDBusArgument &operator<<(QDBusArgument &argument, const MyArray &myarray) { argument.beginArray( qMetaTypeId() ); for ( int i = 0; i < myarray.length; ++i ) argument << myarray.elements[i]; argument.endArray(); return argument; } //! [6] //! [7] // append a dictionary that associates ints to MyValue types QDBusArgument &operator<<(QDBusArgument &argument, const MyDictionary &mydict) { argument.beginMap( QVariant::Int, qMetaTypeId() ); for ( int i = 0; i < mydict.length; ++i ) { argument.beginMapEntry(); argument << mydict.data[i].key << mydict.data[i].value; argument.endMapEntry(); } argument.endMap(); return argument; } //! [7] //! [8] const QDBusArgument &operator>>(const QDBusArgument &argument, MyStructure &mystruct) { argument.beginStructure() argument >> mystruct.member1 >> mystruct.member2 >> mystruct.member3 >> ...; argument.endStructure(); return argument; } //! [8] //! [9] // extract a MyArray array of MyElement elements const QDBusArgument &operator>>(const QDBusArgument &argument, MyArray &myarray) { argument.beginArray(); myarray.clear(); while ( !argument.atEnd() ) { MyElement element; argument >> element; myarray.append( element ); } argument.endArray(); return argument; } //! [9] //! [10] // extract a MyDictionary map that associates ints to MyValue elements const QDBusArgument &operator>>(const QDBusArgument &argument, MyDictionary &mydict) { argument.beginMap(); mydict.clear(); while ( !argMap.atEnd() ) { int key; MyValue value; argument.beginMapEntry(); argument >> key >> value; argument.endMapEntry(); mydict.append( key, value ); } argument.endMap(); return argument; } //! [10]