def __updateGeometry(self): """ Update the shadow geometry to fit the widget's changed geometry. """ widget = self.__widget parent = self.__widgetParent radius = self.radius_ pos = widget.pos() if parent != widget.parentWidget(): pos = widget.parentWidget().mapTo(parent, pos) geom = QRect(pos, widget.size()) geom.adjust(-radius, -radius, radius, radius) if geom != self.geometry(): self.setGeometry(geom) # Set the widget mask (punch a hole through to the `widget` instance. rect = self.rect() mask = QRegion(rect) transparent = QRegion(rect.adjusted(radius, radius, -radius, -radius)) mask = mask.subtracted(transparent) self.setMask(mask)
def __updateGeometry(self): # type: () -> None """ Update the shadow geometry to fit the widget's changed geometry. """ assert self.__widget is not None widget = self.__widget parent = self.__widgetParent radius = self.radius_ offset = self.__offset pos = widget.pos() if parent is not None and parent != widget.parentWidget(): pos = widget.parentWidget().mapTo(parent, pos) geom = QRect(pos, widget.size()) geom = geom.adjusted(-radius, -radius, radius, radius) geom = geom.translated(offset) if geom != self.geometry(): self.setGeometry(geom) # Set the widget mask (punch a hole through to the `widget` instance. rect = self.rect() mask = QRegion(rect) rect = rect.adjusted(radius, radius, -radius, -radius) rect = rect.translated(-offset) transparent = QRegion(rect) mask = mask.subtracted(transparent) self.setMask(mask)