The QChildEvent class contains event parameters for child object events. More...
| Header: | #include <QChildEvent> |
| CMake: | find_package(Qt6 REQUIRED COMPONENTS Core) target_link_libraries(mytarget PRIVATE Qt6::Core) |
| qmake: | QT += core |
| Inherits: | QEvent |
| QChildEvent(QEvent::Type type, QObject *child) | |
| bool | added() const |
| QObject * | child() const |
| bool | polished() const |
| bool | removed() const |
Child events are sent immediately to objects when children are added or removed.
In both cases you can only rely on the child being a QObject (or, if QObject::isWidgetType() returns true, a QWidget). This is because in the QEvent::ChildAdded case the child is not yet fully constructed; in the QEvent::ChildRemoved
case it might have already been destructed.
The handler for these events is QObject::childEvent().
Constructs a child event object of a particular type for the child.
type can be QEvent::ChildAdded, QEvent::ChildRemoved, or QEvent::ChildPolished.
See also child().
Returns true if type() is QEvent::ChildAdded; otherwise returns false.
Returns the child object that was added or removed.
Returns true if type() is QEvent::ChildPolished; otherwise returns false.
Returns true if type() is QEvent::ChildRemoved; otherwise returns false.
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