def brushChanged(self):
style = QtCore.Qt.BrushStyle(
int(
self.brushStyleComboBox.itemData(
self.brushStyleComboBox.currentIndex(), IdRole)))
if style == QtCore.Qt.LinearGradientPattern:
linearGradient = QtGui.QLinearGradient(0, 0, 100, 100)
linearGradient.setColorAt(0.0, QtCore.Qt.white)
linearGradient.setColorAt(0.2, QtCore.Qt.green)
linearGradient.setColorAt(1.0, QtCore.Qt.black)
self.renderArea.setBrush(QtGui.QBrush(linearGradient))
elif style == QtCore.Qt.RadialGradientPattern:
radialGradient = QtGui.QRadialGradient(50, 50, 50, 50, 50)
radialGradient.setColorAt(0.0, QtCore.Qt.white)
radialGradient.setColorAt(0.2, QtCore.Qt.green)
radialGradient.setColorAt(1.0, QtCore.Qt.black)
self.renderArea.setBrush(QtGui.QBrush(radialGradient))
elif style == QtCore.Qt.ConicalGradientPattern:
conicalGradient = QtGui.QConicalGradient(50, 50, 150)
conicalGradient.setColorAt(0.0, QtCore.Qt.white)
conicalGradient.setColorAt(0.2, QtCore.Qt.green)
conicalGradient.setColorAt(1.0, QtCore.Qt.black)
self.renderArea.setBrush(QtGui.QBrush(conicalGradient))
elif style == QtCore.Qt.TexturePattern:
self.renderArea.setBrush(
QtGui.QBrush(QtGui.QPixmap(":/images/brick.png")))
else:
self.renderArea.setBrush(QtGui.QBrush(QtCore.Qt.green, style))
def paintEvent(self, event):
painter = qg.QPainter(self)
painter.setRenderHint(painter.Antialiasing)
rect = event.rect()
gauge_rect = qc.QRect(rect)
size = gauge_rect.size()
pos = gauge_rect.center()
gauge_rect.moveCenter(
qc.QPoint(pos.x() - size.width(),
pos.y() - size.height()))
gauge_rect.setSize(size * .9)
gauge_rect.moveCenter(pos)
refill_rect = qc.QRect(gauge_rect)
size = refill_rect.size()
pos = refill_rect.center()
refill_rect.moveCenter(
qc.QPoint(pos.x() - size.width(),
pos.y() - size.height()))
# smaller than .9 == thicker gauge
refill_rect.setSize(size * .9)
refill_rect.moveCenter(pos)
painter.setPen(qc.Qt.NoPen)
painter.drawPixmap(rect, self._bg)
painter.save()
grad = qg.QConicalGradient(qc.QPointF(gauge_rect.center()), 270.0)
grad.setColorAt(.75, qc.Qt.green)
grad.setColorAt(.5, qc.Qt.yellow)
grad.setColorAt(.25, qc.Qt.red)
painter.setBrush(grad)
painter.drawPie(gauge_rect, 225.0 * 16, self._value * 16)
painter.restore()
painter.setBrush(qg.QBrush(self._bg.scaled(rect.size())))
painter.drawEllipse(refill_rect)
super(GaugeWidget, self).paintEvent(event)
