diff options
Diffstat (limited to 'doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp')
-rw-r--r-- | doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp b/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp deleted file mode 100644 index d0a7a69884..0000000000 --- a/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp +++ /dev/null @@ -1,114 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor -** the names of its contributors may be used to endorse or promote -** products derived from this software without specific prior written -** permission. -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. 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 MyStruct -{ - int i; - ... -}; - -Q_DECLARE_METATYPE(MyStruct) -//! [0] - - -//! [1] -namespace MyNamespace -{ - ... -} - -Q_DECLARE_METATYPE(MyNamespace::MyStruct) -//! [1] - - -//! [2] -MyStruct s; -QVariant var; -var.setValue(s); // copy s into the variant - -... - -// retrieve the value -MyStruct s2 = var.value<MyStruct>(); -//! [2] - - -//! [3] -int id = QMetaType::type("MyClass"); -if (id != QMetaType::UnknownType) { - void *myClassPtr = QMetaType::create(id); - ... - QMetaType::destroy(id, myClassPtr); - myClassPtr = 0; -} -//! [3] - - -//! [4] -qRegisterMetaType<MyClass>("MyClass"); -//! [4] - - -//! [5] -qRegisterMetaTypeStreamOperators<MyClass>("MyClass"); -//! [5] - - -//! [6] -QDataStream &operator<<(QDataStream &out, const MyClass &myObj); -QDataStream &operator>>(QDataStream &in, MyClass &myObj); -//! [6] - - -//! [7] -int id = qRegisterMetaType<MyStruct>(); -//! [7] - - -//! [8] -int id = qMetaTypeId<QString>(); // id is now QMetaType::QString -id = qMetaTypeId<MyStruct>(); // compile error if MyStruct not declared -//! [8] - -//! [9] -typedef QString CustomString; -qRegisterMetaType<CustomString>("CustomString"); -//! [9] |