QHoverEvent露

PyQt5.QtGui.QHoverEvent

Inherits from QInputEvent.

Description露

The QHoverEvent class contains parameters that describe a mouse event.

Mouse events occur when a mouse cursor is moved into, out of, or within a widget, and if the widget has the WA_Hover attribute.

The function pos() gives the current cursor position, while oldPos() gives the old mouse position.

There are a few similarities between the events HoverEnter and HoverLeave, and the events Enter and Leave. However, they are slightly different because we do an update() in the event handler of HoverEnter and HoverLeave.

HoverMove is also slightly different from MouseMove. Let us consider a top-level window A containing a child B which in turn contains a child C (all with mouse tracking enabled):

../../_images/hoverevents.png

Now, if you move the cursor from the top to the bottom in the middle of A, you will get the following MouseMove events:

  1. A::MouseMove

  2. B::MouseMove

  3. C::MouseMove

You will get the same events for HoverMove, except that the event always propagates to the top-level regardless whether the event is accepted or not. It will only stop propagating with the WA_NoMousePropagation attribute.

In this case the events will occur in the following way:

  1. A::HoverMove

  2. A::HoverMove, B::HoverMove

  3. A::HoverMove, B::HoverMove, C::HoverMove

Methods露

__init__(QHoverEvent)

TODO

__init__(Type, Union[QPointF, QPoint], Union[QPointF, QPoint], modifiers: Union[KeyboardModifiers, KeyboardModifier] = NoModifier)

TODO

oldPos() → QPoint

TODO

oldPosF() → QPointF

TODO

pos() → QPoint

TODO

posF() → QPointF

TODO