The QGraphicsSceneMouseEvent class provides mouse events in the graphics view framework.| doc.qt.io
The QCursor class provides a mouse cursor with an arbitrary shape.| doc.qt.io
The QPointF class defines a point in the plane using floating point precision.| doc.qt.io
The QMouseEvent class contains parameters that describe a mouse event.| doc.qt.io
The QWidget class is the base class of all user interface objects.| doc.qt.io
The QEvent class is the base class of all event classes. Event objects contain event parameters.| doc.qt.io
The Qt namespace contains miscellaneous identifiers used throughout the Qt library.| doc.qt.io