| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the documentation of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
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| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
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| ** distribution. |
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| ** from this software without specific prior written permission. |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| //! [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<MyStructure>(); |
| //! [1] |
| |
| |
| //! [2] |
| MyType item = qdbus_cast<Type>(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<MyElement>() ); |
| 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<MyValue>() ); |
| 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 ( !argument.atEnd() ) { |
| int key; |
| MyValue value; |
| argument.beginMapEntry(); |
| argument >> key >> value; |
| argument.endMapEntry(); |
| mydict.append( key, value ); |
| } |
| |
| argument.endMap(); |
| return argument; |
| } |
| //! [10] |