PySide.QtGui.QGraphicsSceneContextMenuEvent class provides context menu events in the graphics view framework.
A PySide.QtGui.QContextMenuEvent received by a PySide.QtGui.QGraphicsView is translated into a PySide.QtGui.QGraphicsSceneContextMenuEvent 。 QContextMenuEvent.globalPos() is translated into item, scene, and screen coordinates ( PySide.QtGui.QGraphicsSceneContextMenuEvent.pos() , PySide.QtGui.QGraphicsSceneContextMenuEvent.scenePos() ，和 PySide.QtGui.QGraphicsSceneContextMenuEvent.screenPos() ).
| 参数： | type – PySide.QtCore.QEvent.Type |
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Constructs a graphics scene context menu event of the specified type .
This enum describes the reason why the context event was sent.
| 常量 | 描述 |
|---|---|
| QGraphicsSceneContextMenuEvent.Mouse | The mouse caused the event to be sent. On most platforms, this means the right mouse button was clicked. |
| QGraphicsSceneContextMenuEvent.Keyboard | The keyboard caused this event to be sent. On Windows and Mac OS X, this means the menu button was pressed. |
| QGraphicsSceneContextMenuEvent.Other | The event was sent by some other means (i.e. not by the mouse or keyboard). |
| 返回类型： | PySide.QtCore.Qt.KeyboardModifiers |
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Returns the keyboard modifiers in use when the context menu was requested.
| 返回类型： | PySide.QtCore.QPointF |
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Returns the position of the mouse cursor in item coordinates at the moment the context menu was requested.
| 返回类型： | PySide.QtGui.QGraphicsSceneContextMenuEvent.Reason |
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Returns the reason for the context menu event.
另请参阅
QGraphicsSceneContextMenuEvent.Reason
| 返回类型： | PySide.QtCore.QPointF |
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Returns the position of the mouse cursor in scene coordinates at the moment the the context menu was requested.
| 返回类型： | PySide.QtCore.QPoint |
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Returns the position of the mouse cursor in screen coordinates at the moment the the context menu was requested.
| 参数： | modifiers – PySide.QtCore.Qt.KeyboardModifiers |
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| 参数： | pos – PySide.QtCore.QPointF |
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Sets the position associated with the context menu to the given point in item coordinates.
| 参数： | reason – PySide.QtGui.QGraphicsSceneContextMenuEvent.Reason |
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Sets the reason for the context menu event to reason .
| 参数： | pos – PySide.QtCore.QPointF |
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Sets the position associated with the context menu to the given point in scene coordinates.
| 参数： | pos – PySide.QtCore.QPoint |
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Sets the position associated with the context menu to the given point in screen coordinates.
