class Callout(QGraphicsItem):
"""
This class code was taken from \
https://code.qt.io/cgit/qt/qtcharts.git/tree/examples/charts/callout/callout.cpp?h=5.13
"""
def __init__(self, chart):
QGraphicsItem.__init__(self, chart)
self.chart = chart
self.rect = QRectF()
self.anchor = QPointF()
self.text_rect = QRectF()
self.text = ""
self.font = QFont()
def boundingRect(self):
anchor = self.mapFromParent(self.chart.mapToPosition(self.anchor))
rect = QRectF()
rect.setLeft(min(self.rect.left(), anchor.x()))
rect.setRight(max(self.rect.right(), anchor.x()))
rect.setTop(min(self.rect.top(), anchor.y()))
rect.setBottom(max(self.rect.bottom(), anchor.y()))
return rect
def paint(self, painter, option, widget):
path = QPainterPath()
path.addRoundedRect(self.rect, 5, 5)
painter.setBrush(QColor(255, 255, 255))
painter.drawPath(path)
painter.drawText(self.text_rect, self.text)
def set_anchor(self, point):
self.anchor = point
def updateGeometry(self):
self.prepareGeometryChange()
self.setPos(self.chart.mapToPosition(self.anchor) + QPoint(10, -50))
def set_text(self, text):
self.text = text
metrics = QFontMetrics(self.font)
self.text_rect = metrics.boundingRect(QRect(0, 0, 150, 150),
Qt.AlignLeft, self.text)
self.text_rect.translate(5, 5)
self.prepareGeometryChange()
self.rect = QRectF(self.text_rect.adjusted(-5.0, -5.0, 5.0, 5.0))
def paint(cls, painter, option, index):
rect = QRectF(option.rect)
w, h = option.rect.width(), option.rect.height()
painter.save()
if index.row() % 2 == 0:
painter.fillRect(rect, QColor("#FFFFFF"))
else:
painter.fillRect(rect, QColor("#EFF5F5"))
if option.state & QStyle.State_MouseOver:
painter.fillRect(rect, QColor("#8CCDDE"))
if option.state & QStyle.State_Selected:
painter.fillRect(rect, QColor("#5FA4DD"))
painter.drawText(rect.adjusted(0, 0, 0, 0), Qt.AlignVCenter,
index.data(Qt.DisplayRole)[0])
if index.data(Qt.DecorationRole) == "true":
pbrush = QPen(QBrush(QColor("#F2A6A6"), Qt.SolidPattern), 1)
painter.setPen(pbrush)
circlerect = QRectF(w - h - 1, h * index.row() + 1, h - 2, h - 2)
gradient = QRadialGradient(circlerect.center(), h,
circlerect.center())
gradient.setColorAt(0.0, QColor("#F2A6A6"))
gradient.setColorAt(0.5, QColor("#EE8181"))
gradient.setColorAt(1.0, QColor("#E55252"))
brush = QBrush(gradient)
painter.setBrush(brush)
painter.setRenderHint(QPainter.Antialiasing)
painter.drawEllipse(circlerect)
pbrush = QPen(QBrush(QColor("#313131")), 20)
painter.setPen(pbrush)
painter.drawText(circlerect, Qt.AlignCenter,
str(index.data(Qt.DisplayRole)[1]))
painter.restore()
def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: QWidget = None):
# setup border pen
pen = painter.pen()
pen.setWidthF(self.monitor_border_width)
pen.setCapStyle(Qt.FlatCap)
painter.setPen(pen)
# create monitor_rect
rect_monitor = QRectF(0, 0,
self.monitor.screen_width, self.monitor.screen_height)
# Draw gradient in the background
gradient = QLinearGradient(rect_monitor.topRight(), rect_monitor.bottomLeft())
gradient.setColorAt(0.0, self.monitor_color_gradient_top)
gradient.setColorAt(1.0, self.monitor_color_gradient_bottom)
painter.fillRect(rect_monitor, gradient)
# draw monitor label
self.draw_monitor_label(painter, rect_monitor, self.index)
# draw borders inside monitor_rect
border_offset = painter.pen().widthF() / 2
border_rect = rect_monitor.adjusted(border_offset, border_offset, -border_offset, border_offset)
painter.drawRect(border_rect)
class Callout(QGraphicsItem):
"""
This class code was taken from \
https://code.qt.io/cgit/qt/qtcharts.git/tree/examples/charts/callout/callout.cpp?h=5.13
"""
def __init__(self, chart):
QGraphicsItem.__init__(self, chart)
self.chart = chart
self.rect = QRectF()
self.anchor = QPointF()
self.text_rect = QRectF()
self.text = ""
self.font = QFont()
def boundingRect(self):
anchor = self.mapFromParent(self.chart.mapToPosition(self.anchor))
rect = QRectF()
rect.setLeft(min(self.rect.left(), anchor.x()))
rect.setRight(max(self.rect.right(), anchor.x()))
rect.setTop(min(self.rect.top(), anchor.y()))
rect.setBottom(max(self.rect.bottom(), anchor.y()))
return rect
def paint(self, painter, option, widget):
path = QPainterPath()
path.addRoundedRect(self.rect, 5, 5)
anchor = self.mapFromParent(self.chart.mapToPosition(self.anchor))
if not self.rect.contains(anchor):
point1 = QPointF()
point2 = QPointF()
# establish the position of the anchor point in relation to m_rect
above = anchor.y() <= self.rect.top()
aboveCenter = anchor.y() > self.rect.top() and anchor.y(
) <= self.rect.center().y()
belowCenter = anchor.y() > self.rect.center().y() and anchor.y(
) <= self.rect.bottom()
below = anchor.y() > self.rect.bottom()
onLeft = anchor.x() <= self.rect.left()
leftOfCenter = anchor.x() > self.rect.left() and anchor.x(
) <= self.rect.center().x()
rightOfCenter = anchor.x() > self.rect.center().x() and anchor.x(
) <= self.rect.right()
onRight = anchor.x() > self.rect.right()
# get the nearest m_rect corner
x = (onRight + rightOfCenter) * self.rect.width()
y = (below + belowCenter) * self.rect.height()
cornerCase = (above and onLeft) or (above and onRight) or (
below and onLeft) or (below and onRight)
vertical = qAbs(anchor.x() - x) > qAbs(anchor.y() - y)
x1 = x + leftOfCenter * 10 - rightOfCenter * 20 + cornerCase * (
not vertical) * (onLeft * 10 - onRight * 20)
y1 = y + aboveCenter * 10 - belowCenter * 20 + cornerCase * vertical * (
above * 10 - below * 20)
x2 = x + leftOfCenter * 20 - rightOfCenter * 10 + cornerCase * (
not vertical) * (onLeft * 20 - onRight * 10)
y2 = y + aboveCenter * 20 - belowCenter * 10 + cornerCase * vertical * (
above * 20 - below * 10)
point1.setX(x1)
point1.setY(y1)
point2.setX(x2)
point2.setY(y2)
path.moveTo(point1)
path.lineTo(anchor)
path.lineTo(point2)
path = path.simplified()
painter.setBrush(QColor(255, 255, 255))
painter.drawPath(path)
painter.drawText(self.text_rect, self.text)
def set_anchor(self, point):
self.anchor = point
def updateGeometry(self):
self.prepareGeometryChange()
self.setPos(self.chart.mapToPosition(self.anchor) + QPoint(10, -50))
def set_text(self, text):
self.text = text
metrics = QFontMetrics(self.font)
self.text_rect = metrics.boundingRect(QRect(0, 0, 150, 150),
Qt.AlignLeft, self.text)
self.text_rect.translate(5, 5)
self.prepareGeometryChange()
self.rect = QRectF(self.text_rect.adjusted(-5.0, -5.0, 5.0, 5.0))
class Callout(QGraphicsItem):
def __init__(self, chart):
QGraphicsItem.__init__(self, chart)
self._chart = chart
self._text = ""
self._textRect = QRectF()
self._anchor = QPointF()
self._font = QFont()
self._rect = QRectF()
def boundingRect(self):
anchor = self.mapFromParent(self._chart.mapToPosition(self._anchor))
rect = QRectF()
rect.setLeft(min(self._rect.left(), anchor.x()))
rect.setRight(max(self._rect.right(), anchor.x()))
rect.setTop(min(self._rect.top(), anchor.y()))
rect.setBottom(max(self._rect.bottom(), anchor.y()))
return rect
def paint(self, painter, option, widget):
path = QPainterPath()
path.addRoundedRect(self._rect, 5, 5)
anchor = self.mapFromParent(self._chart.mapToPosition(self._anchor))
if not self._rect.contains(anchor) and not self._anchor.isNull():
point1 = QPointF()
point2 = QPointF()
# establish the position of the anchor point in relation to _rect
above = anchor.y() <= self._rect.top()
aboveCenter = (anchor.y() > self._rect.top()
and anchor.y() <= self._rect.center().y())
belowCenter = (anchor.y() > self._rect.center().y()
and anchor.y() <= self._rect.bottom())
below = anchor.y() > self._rect.bottom()
onLeft = anchor.x() <= self._rect.left()
leftOfCenter = (anchor.x() > self._rect.left()
and anchor.x() <= self._rect.center().x())
rightOfCenter = (anchor.x() > self._rect.center().x()
and anchor.x() <= self._rect.right())
onRight = anchor.x() > self._rect.right()
# get the nearest _rect corner.
x = (onRight + rightOfCenter) * self._rect.width()
y = (below + belowCenter) * self._rect.height()
cornerCase = ((above and onLeft) or (above and onRight)
or (below and onLeft) or (below and onRight))
vertical = abs(anchor.x() - x) > abs(anchor.y() - y)
x1 = (x + leftOfCenter * 10 - rightOfCenter * 20 +
cornerCase * int(not vertical) *
(onLeft * 10 - onRight * 20))
y1 = (y + aboveCenter * 10 - belowCenter * 20 +
cornerCase * vertical * (above * 10 - below * 20))
point1.setX(x1)
point1.setY(y1)
x2 = (x + leftOfCenter * 20 - rightOfCenter * 10 +
cornerCase * int(not vertical) *
(onLeft * 20 - onRight * 10))
y2 = (y + aboveCenter * 20 - belowCenter * 10 +
cornerCase * vertical * (above * 20 - below * 10))
point2.setX(x2)
point2.setY(y2)
path.moveTo(point1)
path.lineTo(anchor)
path.lineTo(point2)
path = path.simplified()
painter.setBrush(QColor(255, 255, 255))
painter.drawPath(path)
painter.drawText(self._textRect, self._text)
def mousePressEvent(self, event):
event.setAccepted(True)
def mouseMoveEvent(self, event):
if event.buttons() & Qt.LeftButton:
self.setPos(
mapToParent(event.pos() - event.buttonDownPos(Qt.LeftButton)))
event.setAccepted(True)
else:
event.setAccepted(False)
def setText(self, text):
self._text = text
metrics = QFontMetrics(self._font)
self._textRect = QRectF(
metrics.boundingRect(QRect(0.0, 0.0, 150.0, 150.0), Qt.AlignLeft,
self._text))
self._textRect.translate(5, 5)
self.prepareGeometryChange()
self._rect = self._textRect.adjusted(-5, -5, 5, 5)
def setAnchor(self, point):
self._anchor = QPointF(point)
def updateGeometry(self):
self.prepareGeometryChange()
self.setPos(self._chart.mapToPosition(self._anchor) + QPointF(10, -50))
class Callout(QGraphicsItem):
def __init__(self, chart):
QGraphicsItem.__init__(self, chart)
self._chart = chart
self._text = ""
self._textRect = QRectF()
self._anchor = QPointF()
self._font = QFont()
self._rect = QRectF()
def boundingRect(self):
anchor = self.mapFromParent(self._chart.mapToPosition(self._anchor))
rect = QRectF()
rect.setLeft(min(self._rect.left(), anchor.x()))
rect.setRight(max(self._rect.right(), anchor.x()))
rect.setTop(min(self._rect.top(), anchor.y()))
rect.setBottom(max(self._rect.bottom(), anchor.y()))
return rect
def paint(self, painter, option, widget):
path = QPainterPath()
path.addRoundedRect(self._rect, 5, 5)
anchor = self.mapFromParent(self._chart.mapToPosition(self._anchor))
if not self._rect.contains(anchor) and not self._anchor.isNull():
point1 = QPointF()
point2 = QPointF()
# establish the position of the anchor point in relation to _rect
above = anchor.y() <= self._rect.top()
aboveCenter = (anchor.y() > self._rect.top() and
anchor.y() <= self._rect.center().y())
belowCenter = (anchor.y() > self._rect.center().y() and
anchor.y() <= self._rect.bottom())
below = anchor.y() > self._rect.bottom()
onLeft = anchor.x() <= self._rect.left()
leftOfCenter = (anchor.x() > self._rect.left() and
anchor.x() <= self._rect.center().x())
rightOfCenter = (anchor.x() > self._rect.center().x() and
anchor.x() <= self._rect.right())
onRight = anchor.x() > self._rect.right()
# get the nearest _rect corner.
x = (onRight + rightOfCenter) * self._rect.width()
y = (below + belowCenter) * self._rect.height()
cornerCase = ((above and onLeft) or (above and onRight) or
(below and onLeft) or (below and onRight))
vertical = abs(anchor.x() - x) > abs(anchor.y() - y)
x1 = (x + leftOfCenter * 10 - rightOfCenter * 20 + cornerCase *
int(not vertical) * (onLeft * 10 - onRight * 20))
y1 = (y + aboveCenter * 10 - belowCenter * 20 + cornerCase *
vertical * (above * 10 - below * 20))
point1.setX(x1)
point1.setY(y1)
x2 = (x + leftOfCenter * 20 - rightOfCenter * 10 + cornerCase *
int(not vertical) * (onLeft * 20 - onRight * 10))
y2 = (y + aboveCenter * 20 - belowCenter * 10 + cornerCase *
vertical * (above * 20 - below * 10))
point2.setX(x2)
point2.setY(y2)
path.moveTo(point1)
path.lineTo(anchor)
path.lineTo(point2)
path = path.simplified()
painter.setBrush(QColor(255, 255, 255))
painter.drawPath(path)
painter.drawText(self._textRect, self._text)
def mousePressEvent(self, event):
event.setAccepted(True)
def mouseMoveEvent(self, event):
if event.buttons() & Qt.LeftButton:
self.setPos(mapToParent(
event.pos() - event.buttonDownPos(Qt.LeftButton)))
event.setAccepted(True)
else:
event.setAccepted(False)
def setText(self, text):
self._text = text
metrics = QFontMetrics(self._font)
self._textRect = QRectF(metrics.boundingRect(
QRect(0.0, 0.0, 150.0, 150.0),Qt.AlignLeft, self._text))
self._textRect.translate(5, 5)
self.prepareGeometryChange()
self._rect = self._textRect.adjusted(-5, -5, 5, 5)
def setAnchor(self, point):
self._anchor = QPointF(point)
def updateGeometry(self):
self.prepareGeometryChange()
self.setPos(self._chart.mapToPosition(
self._anchor) + QPointF(10, -50))
