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Paint events are sent to widgets that need to update themselves, for instance when part of a widget is exposed because a covering widget was moved.
The event contains a
region() that needs to be updated, and a
rect() that is the bounding rectangle of that region. Both are provided because many widgets cannot make much use of
region() , and
rect() can be much faster than
Painting is clipped to
region() during the processing of a paint event. This clipping is performed by Qt’s paint system and is independent of any clipping that may be applied to a
QPainter used to draw on the paint device.
- class PySide6.QtGui.QPaintEvent(arg__1)#
Constructs a paint event object with the rectangle that needs to be updated. The region is specified by
Constructs a paint event object with the region that needs to be updated. The region is specified by
Returns the rectangle that needs to be updated.
Returns the region that needs to be updated.