QPropertyNotifier Class

The QPropertyNotifier class controls the lifecycle of change callback installed on a QProperty. More...

Header: #include <QPropertyNotifier>
CMake: find_package(Qt6 REQUIRED COMPONENTS Core)
target_link_libraries(mytarget PRIVATE Qt6::Core)
qmake: QT += core
Inherits: QPropertyObserver

Public Functions

QPropertyNotifier(const Property &property, Functor handler)
QPropertyNotifier(Functor handler)
QPropertyNotifier()

Detailed Description

QPropertyNotifier is created when registering a callback on a QProperty to listen to changes to the property's value, using QProperty::addNotifier. As long as the change handler is alive, the callback remains installed.

A handler instance can be transferred between C++ scopes using move semantics.

Member Function Documentation

template <typename Functor, typename Property, typename> QPropertyNotifier::QPropertyNotifier(const Property &property, Functor handler)

Default constructs an instance of QPropertyNotifier.

template <typename Functor> QPropertyNotifier::QPropertyNotifier(Functor handler)

Default constructs an instance of QPropertyNotifier.

QPropertyNotifier::QPropertyNotifier()

Default constructs an instance of QPropertyNotifier.

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