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                # QGraphicsSceneContextMenuEvent Class Reference ## [[QtGui](index.htm) module] 該QGraphicsSceneContextMenuEvent類提供在圖形視圖框架的上下文菜單事件。[More...](#details) 繼承[QGraphicsSceneEvent](qgraphicssceneevent.html)。 ### Types * `enum Reason { Mouse, Keyboard, Other }` ### Methods * `Qt.KeyboardModifiers modifiers (self)` * `QPointF pos (self)` * `Reason reason (self)` * `QPointF scenePos (self)` * `QPoint screenPos (self)` * * * ## Detailed Description 該QGraphicsSceneContextMenuEvent類提供在圖形視圖框架的上下文菜單事件。 A [QContextMenuEvent](qcontextmenuevent.html)通過接收到的[QGraphicsView](qgraphicsview.html)被翻譯成QGraphicsSceneContextMenuEvent 。該[QContextMenuEvent.globalPos](qcontextmenuevent.html#globalPos)( )被翻譯成項目,場景,和屏幕坐標([pos](qgraphicsscenecontextmenuevent.html#pos)( )[scenePos](qgraphicsscenecontextmenuevent.html#scenePos)()和[screenPos](qgraphicsscenecontextmenuevent.html#screenPos)())。 * * * ## Type Documentation ``` QGraphicsSceneContextMenuEvent.Reason ``` 這個枚舉說明為什么上下文事件被發送的原因。 | Constant | Value | Description | | --- | --- | --- | | `QGraphicsSceneContextMenuEvent.Mouse` | `0` | 鼠標導致事件被發送。在大多數平臺上,這意味著鼠標右按鈕被點擊。 | | `QGraphicsSceneContextMenuEvent.Keyboard` | `1` | 鍵盤導致此事件被發送。在Windows和Mac OS X ,這意味著菜單按鈕被按下。 | | `QGraphicsSceneContextMenuEvent.Other` | `2` | 這次活動是由一些其他的手段(即不通過鼠標或鍵盤)發出。 | * * * ## Method Documentation ``` Qt.KeyboardModifiers QGraphicsSceneContextMenuEvent.modifiers (self) ``` [ 返回鍵盤功能鍵在使用時要求的上下文菜單。 ](index.htm) ``` QPointF QGraphicsSceneContextMenuEvent.pos (self) ``` [ 返回鼠標光標在項目的位置在請求的上下文菜單的那一刻坐標。 ](qpointf.html) [**See also**](qpointf.html) [scenePos](qgraphicsscenecontextmenuevent.html#scenePos)()和[screenPos](qgraphicsscenecontextmenuevent.html#screenPos)( ) 。 ``` Reason QGraphicsSceneContextMenuEvent.reason (self) ``` [ 返回上下文菜單事件的原因。 ](qgraphicsscenecontextmenuevent.html#Reason-enum) [**See also**](qgraphicsscenecontextmenuevent.html#Reason-enum) [QGraphicsSceneContextMenuEvent.Reason](qgraphicsscenecontextmenuevent.html#Reason-enum)。 ``` QPointF QGraphicsSceneContextMenuEvent.scenePos (self) ``` [ 返回鼠標光標在現場的位置被要求在上下文菜單中的那一刻坐標。 ](qpointf.html) [**See also**](qpointf.html) [pos](qgraphicsscenecontextmenuevent.html#pos)()和[screenPos](qgraphicsscenecontextmenuevent.html#screenPos)( ) 。 ``` QPoint QGraphicsSceneContextMenuEvent.screenPos (self) ``` [ 返回鼠標光標在屏幕上的位置被請求的上下文菜單的那一刻坐標。 ](qpoint.html) [**See also**](qpoint.html) [pos](qgraphicsscenecontextmenuevent.html#pos)()和[scenePos](qgraphicsscenecontextmenuevent.html#scenePos)( ) 。
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