diff options
Diffstat (limited to 'doc/src/snippets/code/doc_src_properties.cpp')
| -rw-r--r-- | doc/src/snippets/code/doc_src_properties.cpp | 132 | 
1 files changed, 132 insertions, 0 deletions
| diff --git a/doc/src/snippets/code/doc_src_properties.cpp b/doc/src/snippets/code/doc_src_properties.cpp new file mode 100644 index 0000000..b5a103d --- /dev/null +++ b/doc/src/snippets/code/doc_src_properties.cpp @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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] +Q_PROPERTY(type name +           READ getFunction +           [WRITE setFunction] +           [RESET resetFunction] +           [NOTIFY notifySignal] +           [REVISION int] +           [DESIGNABLE bool] +           [SCRIPTABLE bool] +           [STORED bool] +	   [USER bool] +           [CONSTANT] +           [FINAL]) +//! [0] + + +//! [1] +Q_PROPERTY(bool focus READ hasFocus) +Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled) +Q_PROPERTY(QCursor cursor READ cursor WRITE setCursor RESET unsetCursor) +//! [1] + + +//! [2] +Q_PROPERTY(QDate date READ getDate WRITE setDate) +//! [2] + + +//! [3] +QPushButton *button = new QPushButton; +QObject *object = button; + +button->setDown(true); +object->setProperty("down", true); +//! [3] + + +//! [4] +QObject *object = ... +const QMetaObject *metaobject = object->metaObject(); +int count = metaobject->propertyCount(); +for (int i=0; i<count; ++i) { +    QMetaProperty metaproperty = metaobject->property(i); +    const char *name = metaproperty.name(); +    QVariant value = object->property(name); +    ... +} +//! [4] + + +//! [5] +class MyClass : public QObject +{ +    Q_OBJECT +    Q_PROPERTY(Priority priority READ priority WRITE setPriority NOTIFY priorityChanged) +    Q_ENUMS(Priority) + +public: +    MyClass(QObject *parent = 0); +    ~MyClass(); + +    enum Priority { High, Low, VeryHigh, VeryLow }; + +    void setPriority(Priority priority) +    { +        m_priority = priority; +        emit priorityChanged(priority); +    } +    Priority priority() const +    { return m_priority; } + +signals: +    void priorityChanged(Priority); + +private: +    Priority m_priority; +}; +//! [5] + + +//! [6] +MyClass *myinstance = new MyClass; +QObject *object = myinstance; + +myinstance->setPriority(MyClass::VeryHigh); +object->setProperty("priority", "VeryHigh"); +//! [6] + + +//! [7] +Q_CLASSINFO("Version", "3.0.0") +//! [7] | 
