Qt:Документация 4.3.2/qgraphicsscenecontextmenuevent
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[править] QGraphicsSceneContextMenuEvent Class Reference
[модуль QtGui ]
The QGraphicsSceneContextMenuEvent class provides context menu events in the graphics view framework. Далее...
#include <QGraphicsSceneContextMenuEvent>Inherits QGraphicsSceneEvent.
Класс был добавлен в Qt 4.2.
[править] Открытые типы
- enum Reason { Mouse, Keyboard, Other }
[править] Открытые функции
- ~QGraphicsSceneContextMenuEvent ()
- Qt::KeyboardModifiers modifiers () const
- QPointF pos () const
- Reason reason () const
- QPointF scenePos () const
- QPoint screenPos () const
- 1 public function inherited from QGraphicsSceneEvent
- 6 public functions inherited from QEvent
[править] Дополнительные унаследованные члены
- 1 property inherited from QEvent
[править] Подробное описание
The QGraphicsSceneContextMenuEvent class provides context menu events in the graphics view framework.
A QContextMenuEvent received by a QGraphicsView is translated into a QGraphicsSceneContextMenuEvent. The QWheelEvent::globalPos() is translated into item, scene, and screen coordinates ( pos(), scenePos(), and screenPos()).
See also QGraphicsSceneMouseEvent, QGraphicsSceneWheelEvent, and QContextMenuEvent.
[править] Описание типов
[править] enum QGraphicsSceneContextMenuEvent::Reason
This enum describes the reason why the context event was sent.
| Константа | Значение | Описание |
|---|---|---|
| QGraphicsSceneContextMenuEvent::Mouse | 0 | The mouse caused the event to be sent. On most platforms, this means the right mouse button was clicked. |
| QGraphicsSceneContextMenuEvent::Keyboard | 1 | The keyboard caused this event to be sent. On Windows and Mac OS X, this means the menu button was pressed. |
| QGraphicsSceneContextMenuEvent::Other | 2 | The event was sent by some other means (i.e. not by the mouse or keyboard). |
[править] Описание функций-членов
[править] QGraphicsSceneContextMenuEvent::~QGraphicsSceneContextMenuEvent ()
Destroys the event.
[править] Qt::KeyboardModifiers QGraphicsSceneContextMenuEvent::modifiers () const
Returns the keyboard modifiers in use when the context menu was requested.
[править] QPointF QGraphicsSceneContextMenuEvent::pos () const
Returns the position of the mouse cursor in item coordinates at the moment the the context menu was requested.
See also scenePos() and screenPos().
[править] Reason QGraphicsSceneContextMenuEvent::reason () const
Returns the reason for the context menu event.
See also QGraphicsSceneContextMenuEvent::Reason.
[править] QPointF QGraphicsSceneContextMenuEvent::scenePos () const
Returns the position of the mouse cursor in scene coordinates at the moment the the context menu was requested.
See also pos() and screenPos().
[править] QPoint QGraphicsSceneContextMenuEvent::screenPos () const
Returns the position of the mouse cursor in screen coordinates at the moment the the context menu was requested.
See also pos() and scenePos().
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