def paintEvent(self, event):
self.proxy.ais_context.UpdateCurrentViewer()
# important to allow overpainting of the OCC OpenGL context in Qt
if self._drawbox:
painter = QPainter(self)
painter.setPen(self._select_pen)
painter.drawRect(QRect(*self._drawbox))
def drawBox(self):
if self._drawbox:
self.makeCurrent()
painter = QPainter(self)
painter.setPen(self._select_pen)
painter.drawRect(QRect(*self._drawbox))
painter.end()
self.doneCurrent()