QGraphicsView receives a
QEvent of type
ToolTip , it creates a
QGraphicsSceneHelpEvent , which is forwarded to the scene. You can set a tooltip on a
setToolTip() ; by default
QGraphicsScene displays the tooltip of the
QGraphicsItem with the highest z-value (i.e, the top-most item) under the mouse position.
QGraphicsView does not forward events when
"What's This" and
status tip help is requested. If you need this, you can reimplement
viewportEvent() and forward
QStatusTipEvent events and
QEvents of type
WhatsThis to the scene.
Constructs a graphics scene help event of the specified
Returns the position of the mouse cursor in scene coordinates at the moment the help event was sent.
Returns the position of the mouse cursor in screen coordinates at the moment the help event was sent.
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