QActionEvent Class▲
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Header: QActionEvent
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CMake:
find_package(Qt6 REQUIRED COMPONENTS Gui)
target_link_libraries(mytarget PRIVATE Qt6::Gui)
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qmake: QT += gui
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Inherits: QEvent
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Group: QActionEvent is part of events
Detailed Description▲
Actions can be added to controls, for example by using QWidget::addAction(). This generates an ActionAdded event, which you can handle to provide custom behavior. For example, QToolBar reimplements QWidget::actionEvent() to create QToolButtons for the actions.
See Also▲
See also QAction, QWidget::addAction(), QWidget::removeAction(), QWidget::actions()
Member Function Documentation▲
QActionEvent::QActionEvent(int type, QAction *action, QAction *before = nullptr)▲
Constructs an action event. The type can be ActionChanged, ActionAdded, or ActionRemoved.
action is the action that is changed, added, or removed. If type is ActionAdded, the action is to be inserted before the action before. If before is nullptr, the action is appended.
QAction *QActionEvent::action() const▲
QAction *QActionEvent::before() const▲
If type() is ActionAdded, returns the action that should appear before action(). If this function returns nullptr, the action should be appended to already existing actions on the same widget.
See Also▲
See also action(), QWidget::actions()