doc/src/snippets/code/doc_src_properties.qdoc
author Alex Gilkes <alex.gilkes@nokia.com>
Mon, 11 Jan 2010 14:00:40 +0000
changeset 0 1918ee327afb
permissions -rw-r--r--
Revision: 200952

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//! [0]
Q_PROPERTY(type name
           READ getFunction
           [WRITE setFunction]
           [RESET resetFunction]
           [NOTIFY notifySignal]
           [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)
    Q_ENUMS(Priority)

public:
    MyClass(QObject *parent = 0);
    ~MyClass();

    enum Priority { High, Low, VeryHigh, VeryLow };

    void setPriority(Priority priority);
    Priority priority() const;
};
//! [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]