def paintEvent(self, paintEvent: QPaintEvent):
painter = QPainter(self)
painter.setBackgroundMode(Qt.TransparentMode)
painter.setRenderHint(QPainter.Antialiasing)
brush = QBrush()
brush.setStyle(Qt.SolidPattern)
pen = QPen()
pen.setJoinStyle(Qt.RoundJoin)
pen.setCapStyle(Qt.RoundCap)
center = QPoint(self.width() // 2, self.height() // 2)
radius = 0.45 * min(self.width(), self.height())
pen.setColor(self.palette().color(self.color[0]))
brush.setColor(self.palette().color(self.color[1]))
if self.highlight is True:
pen.setColor(self.palette().color(QPalette.Highlight))
pen.setWidth(round(0.15 * radius))
painter.setBrush(brush)
painter.setPen(pen)
painter.drawEllipse(center, radius, radius)
if self.checked is True:
brush.setColor(self.palette().color(QPalette.Background))
pen.setColor(self.palette().color(QPalette.Background))
painter.setPen(pen)
painter.setBrush(brush)
painter.drawEllipse(center, 0.40 * radius, 0.40 * radius)
del painter, brush, pen
def paintEvent(self, paintEvent: QPaintEvent):
painter = QPainter(self)
painter.setBackgroundMode(Qt.TransparentMode)
painter.setRenderHint(QPainter.Antialiasing)
brush = QBrush()
brush.setStyle(Qt.SolidPattern)
pen = QPen()
pen.setJoinStyle(Qt.RoundJoin)
pen.setCapStyle(Qt.RoundCap)
center = QPoint(self.width() // 2, self.height() // 2)
radius = 0.45 * min(self.width(), self.height())
pen.setColor(self.palette().color(self.color[0]))
brush.setColor(self.palette().color(self.color[1]))
if self.highlight is True:
pen.setColor(self.palette().color(QPalette.Highlight))
pen.setWidth(round(0.15 * radius))
painter.setBrush(brush)
painter.setPen(pen)
painter.drawEllipse(center, radius, radius)
if self.checked is True:
brush.setColor(self.palette().color(QPalette.Background))
pen.setColor(self.palette().color(QPalette.Background))
painter.setPen(pen)
painter.setBrush(brush)
painter.drawEllipse(center, 0.40 * radius, 0.40 * radius)
del painter, brush, pen
def paintEvent(self, paintEvent: QPaintEvent):
pen = QPen()
pen.setJoinStyle(Qt.RoundJoin)
pen.setCapStyle(Qt.RoundCap)
painter = QPainter(self)
painter.translate(self.paintOffset)
painter.setBackgroundMode(Qt.TransparentMode)
painter.setRenderHint(QPainter.Antialiasing)
if self.nodes is not None:
painted = set()
def paintNode(node):
nonlocal painter, painted
if node in painted:
return
painted.add(node)
for link in node.links:
if link not in painted:
painter.drawLine(node.point, link.point)
paintNode(link)
color = self.palette().color(QPalette.Dark)
pen.setColor(color)
pen.setWidth(0.50 * self.paintStep)
painter.setPen(pen)
for node in self.nodes.values():
if paintEvent.region().contains(node.point):
paintNode(node)
if self.startNode is not None:
color = self.palette().color(QPalette.Dark)
pen.setColor(color)
pen.setWidth(0.75 * self.paintStep)
painter.setPen(pen)
if paintEvent.region().contains(self.startNode.point):
painter.drawPoint(self.startNode.point)
if self.finishNode is not None and paintEvent.region().contains(self.finishNode.point):
color = self.palette().color(QPalette.Dark).darker(120)
pen.setColor(color)
pen.setWidth(0.75 * self.paintStep)
painter.setPen(pen)
painter.drawPoint(self.finishNode.point)
if self.player is not None:
color = self.palette().color(QPalette.Highlight)
color.setAlpha(196)
pen.setColor(color)
pen.setWidth(0.90 * self.paintStep)
painter.setPen(pen)
painter.drawPoint(self.player)
del painter, pen
def paint(self,
painter: QPainter,
option: QStyleOptionGraphicsItem,
widget: QWidget = None):
painter.setBackgroundMode(Qt.OpaqueMode)
# painter.setBackground(Qt.white)
painter.setBrush(self._background_brush)
painter.drawEllipse(self.rect())
painter.setBrush(self.brush())
painter.setPen(self.pen())
painter.drawEllipse(self.rect())
