The QFocusEvent class contains event parameters for widget focus events. More...
| Header: | #include <QFocusEvent> |
| CMake: | find_package(Qt6 REQUIRED COMPONENTS Gui) target_link_libraries(mytarget PRIVATE Qt6::Gui) |
| qmake: | QT += gui |
| Inherits: | QEvent |
| QFocusEvent(QEvent::Type type, Qt::FocusReason reason = Qt::OtherFocusReason) | |
| bool | gotFocus() const |
| bool | lostFocus() const |
| Qt::FocusReason | reason() const |
Focus events are sent to widgets when the keyboard input focus changes. Focus events occur due to mouse actions, key presses (such as Tab or Backtab), the window system, popup menus, keyboard shortcuts, or other application-specific reasons. The reason for a particular focus event is returned by reason() in the appropriate event handler.
The event handlers QWidget::focusInEvent(), QWidget::focusOutEvent(), QGraphicsItem::focusInEvent and QGraphicsItem::focusOutEvent() receive focus events.
See also QWidget::setFocus(), QWidget::setFocusPolicy(), and Keyboard Focus in Widgets.
Constructs a focus event object.
The type parameter must be either QEvent::FocusIn or QEvent::FocusOut. The reason describes the cause of the change in focus.
Returns true if type() is QEvent::FocusIn; otherwise returns false.
Returns true if type() is QEvent::FocusOut; otherwise returns false.
Returns the reason for this focus event.
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