def paintEvent(self, event):
painter = QPainter(self.viewport())
view_rect = self._translate(event.rect())
if view_rect.y() < 0:
rect = QRect()
rect.setHeight(self.viewport().height() + view_rect.y())
rect.setWidth(self.viewport().width())
brush = self.palette().brush(QPalette.Disabled, QPalette.Window)
painter.fillRect(rect, brush)
for index in self._intersecting_rows(view_rect):
option = self._style_option(index)
delegate = self.itemDelegate(index)
delegate.paint(painter, option, index)
def draw(self, painter, xMap, yMap, rect):
margin = 5
pieRect = QRect()
pieRect.setX(rect.x() + margin)
pieRect.setY(rect.y() + margin)
pieRect.setHeight(int(yMap.transform(80.0)))
pieRect.setWidth(pieRect.height())
angle = 3 * 5760 / 4
for key in ["User", "System", "Idle"]:
curve = self.plot().cpuPlotCurve(key)
if curve.dataSize():
value = int(5760 * curve.sample(0).y() / 100.0)
painter.save()
painter.setBrush(QBrush(curve.pen().color(), Qt.SolidPattern))
painter.drawPie(pieRect, int(-angle), int(-value))
painter.restore()
angle += value
