def paintEvent(self, theEvent):
"""Custom implementation of the label painter that rotates the
label 90 degrees.
"""
pObj = QStylePainter(self)
oObj = QStyleOptionTab()
for i in range(self.count()):
self.initStyleOption(oObj, i)
pObj.drawControl(QStyle.CE_TabBarTabShape, oObj)
pObj.save()
oSize = oObj.rect.size()
oSize.transpose()
oRect = QRect(QPoint(), oSize)
oRect.moveCenter(oObj.rect.center())
oObj.rect = oRect
oCenter = self.tabRect(i).center()
pObj.translate(oCenter)
pObj.rotate(90)
pObj.translate(-oCenter)
pObj.drawControl(QStyle.CE_TabBarTabLabel, oObj)
pObj.restore()
return
def paintEvent(self, _):
option = QStyleOptionButton()
self.initStyleOption(option)
painter = QStylePainter(self)
if self._rotateAnimationStarted:
option.text = ""
painter.drawControl(QStyle.CE_PushButton, option)
if not self._rotateAnimationStarted:
return
painter.save()
font = self.font()
font.setPointSize(self.fontSize)
font.setFamily("FontAwesome")
painter.setFont(font)
# 变换坐标为正中间
painter.translate(self.rect().center())
# 旋转90度
painter.rotate(self._rotateAnimation.currentValue() * 30)
fm = self.fontMetrics()
# 在变换坐标后的正中间画文字
w = fm.width(self.LoadingText)
h = fm.height()
painter.drawText(QRectF(0 - w * 2, 0 - h, w * 2 * 2, h * 2),
Qt.AlignCenter, self.LoadingText)
painter.restore()
def paintEvent(self, event):
painter = QStylePainter(self)
opt = QStyleOptionTab()
for i in range(self.count()):
self.initStyleOption(opt, i)
painter.drawControl(QStyle.CE_TabBarTabShape, opt)
painter.save()
s = opt.rect.size()
s.transpose()
r = QRect(QPoint(), s)
r.moveCenter(opt.rect.center())
opt.rect = r
c = self.tabRect(i).center()
painter.translate(c)
painter.rotate(270)
painter.translate(-c)
painter.drawControl(QStyle.CE_TabBarTabLabel, opt)
painter.restore()
def paintEvent(self, event):
option = QStyleOption()
option.initFrom(self)
contents_rect = self.style().subElementRect(QStyle.SE_FrameContents, option, self) or self.contentsRect() # the SE_FrameContents rect is Null unless the stylesheet defines decorations
if self.graphStyle == self.BarStyle:
graph_width = self.__dict__['graph_width'] = int(ceil(float(contents_rect.width()) / self.horizontalPixelsPerUnit))
else:
graph_width = self.__dict__['graph_width'] = int(ceil(float(contents_rect.width() - 1) / self.horizontalPixelsPerUnit) + 1)
max_value = self.__dict__['max_value'] = max(chain([0], *(islice(reversed(graph.data), graph_width) for graph in self.graphs if graph.enabled)))
if self.graphHeight == self.AutomaticHeight or self.graphHeight < 0:
graph_height = self.__dict__['graph_height'] = max(self.scaler.get_height(max_value), self.minHeight)
else:
graph_height = self.__dict__['graph_height'] = max(self.graphHeight, self.minHeight)
if self.graphStyle == self.BarStyle:
height_scaling = float(contents_rect.height()) / graph_height
else:
height_scaling = float(contents_rect.height() - self.lineThickness) / graph_height
painter = QStylePainter(self)
painter.drawPrimitive(QStyle.PE_Widget, option)
painter.setClipRect(contents_rect)
painter.save()
painter.translate(contents_rect.x() + contents_rect.width() - 1, contents_rect.y() + contents_rect.height() - 1)
painter.scale(-1, -1)
painter.setRenderHint(QStylePainter.Antialiasing, self.graphStyle != self.BarStyle)
for graph in (graph for graph in self.graphs if graph.enabled and graph.data):
if self.boundary is not None and 0 < self.boundary < graph_height:
boundary_width = min(5.0/height_scaling, self.boundary-0, graph_height-self.boundary)
pen_color = QLinearGradient(0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling)
pen_color.setColorAt(0, graph.color)
pen_color.setColorAt(1, graph.over_boundary_color)
brush_color = QLinearGradient(0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling)
brush_color.setColorAt(0, self.color_with_alpha(graph.color, self.fillTransparency))
brush_color.setColorAt(1, self.color_with_alpha(graph.over_boundary_color, self.fillTransparency))
else:
pen_color = graph.color
brush_color = self.color_with_alpha(graph.color, self.fillTransparency)
dataset = islice(reversed(graph.data), graph_width)
if self.graphStyle == self.BarStyle:
lines = [QLineF(x*self.horizontalPixelsPerUnit, 0, x*self.horizontalPixelsPerUnit, y*height_scaling) for x, y in enumerate(dataset)]
painter.setPen(QPen(pen_color, self.lineThickness))
painter.drawLines(lines)
else:
painter.translate(0, +self.lineThickness/2 - 1)
if self.smoothEnvelope and self.smoothFactor > 0:
min_value = 0
max_value = graph_height * height_scaling
cx_offset = self.horizontalPixelsPerUnit / 3.0
smoothness = self.smoothFactor
last_values = deque(3*[next(dataset) * height_scaling], maxlen=3) # last 3 values: 0 last, 1 previous, 2 previous previous
envelope = QPainterPath()
envelope.moveTo(0, last_values[0])
for x, y in enumerate(dataset, 1):
x = x * self.horizontalPixelsPerUnit
y = y * height_scaling * (1 - smoothness) + last_values[0] * smoothness
last_values.appendleft(y)
c1x = x - cx_offset * 2
c2x = x - cx_offset
c1y = limit((1 + smoothness) * last_values[1] - smoothness * last_values[2], min_value, max_value) # same gradient as previous previous value to previous value
c2y = limit((1 - smoothness) * last_values[0] + smoothness * last_values[1], min_value, max_value) # same gradient as previous value to last value
envelope.cubicTo(c1x, c1y, c2x, c2y, x, y)
else:
envelope = QPainterPath()
envelope.addPolygon(QPolygonF([QPointF(x*self.horizontalPixelsPerUnit, y*height_scaling) for x, y in enumerate(dataset)]))
if self.fillEnvelope or graph.fill_envelope:
first_element = envelope.elementAt(0)
last_element = envelope.elementAt(envelope.elementCount() - 1)
fill_path = QPainterPath()
fill_path.moveTo(last_element.x, last_element.y)
fill_path.lineTo(last_element.x + 1, last_element.y)
fill_path.lineTo(last_element.x + 1, -self.lineThickness)
fill_path.lineTo(-self.lineThickness, -self.lineThickness)
fill_path.lineTo(-self.lineThickness, first_element.y)
fill_path.connectPath(envelope)
painter.fillPath(fill_path, brush_color)
painter.strokePath(envelope, QPen(pen_color, self.lineThickness, join=Qt.RoundJoin))
painter.translate(0, -self.lineThickness/2 + 1)
if self.boundary is not None and self.boundaryColor:
painter.setRenderHint(QStylePainter.Antialiasing, False)
painter.setPen(QPen(self.boundaryColor, 1.0))
painter.drawLine(0, self.boundary*height_scaling, contents_rect.width(), self.boundary*height_scaling)
painter.restore()
# queue the 'updated' signal to be emitted after returning to the main loop
QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)
def paintEvent(self, event):
if not self.customStyle:
return QGroupBox.paintEvent(self, event)
p = QStylePainter(self)
opt = QStyleOptionGroupBox()
self.initStyleOption(opt)
style = qApp.style()
groupBox = opt
# // Draw frame
textRect = style.subControlRect(style.CC_GroupBox, opt, style.SC_GroupBoxLabel)
checkBoxRect = style.subControlRect(style.CC_GroupBox, opt, style.SC_GroupBoxCheckBox)
p.save()
titleRect = style.subControlRect(style.CC_GroupBox, opt, style.SC_GroupBoxFrame)
# r.setBottom(style.subControlRect(style.CC_GroupBox, opt, style.SC_GroupBoxContents).top())
titleRect.setHeight(textRect.height())
titleRect.moveTop(textRect.top())
p.setBrush(QBrush(QColor(Qt.blue).lighter(190)))
p.setPen(Qt.NoPen)
p.drawRoundedRect(titleRect, 10, 10)
p.restore()
if groupBox.subControls & QStyle.SC_GroupBoxFrame:
frame = QStyleOptionFrame()
# frame.operator=(groupBox)
frame.state = groupBox.state
frame.features = groupBox.features
frame.lineWidth = groupBox.lineWidth
frame.midLineWidth = groupBox.midLineWidth
frame.rect = style.subControlRect(style.CC_GroupBox, opt, style.SC_GroupBoxFrame)
p.save()
region = QRegion(groupBox.rect)
if groupBox.text:
ltr = groupBox.direction == Qt.LeftToRight
finalRect = QRect()
if groupBox.subControls & QStyle.SC_GroupBoxCheckBox:
finalRect = checkBoxRect.united(textRect)
finalRect.adjust(-4 if ltr else 0, 0, 0 if ltr else 4, 0)
else:
finalRect = textRect
region -= QRegion(finalRect)
p.setClipRegion(region)
style.drawPrimitive(style.PE_FrameGroupBox, frame, p)
p.restore()
# // Draw title
if groupBox.subControls & QStyle.SC_GroupBoxLabel and groupBox.text:
# textColor = QColor(groupBox.textColor)
# if textColor.isValid():
# p.setPen(textColor)
# alignment = int(groupBox.textAlignment)
# if not style.styleHint(QStyle.SH_UnderlineShortcut, opt):
# alignment |= Qt.TextHideMnemonic
# style.drawItemText(p, textRect, Qt.TextShowMnemonic | Qt.AlignHCenter | alignment,
# groupBox.palette, groupBox.state & style.State_Enabled, groupBox.text,
# QPalette.NoRole if textColor.isValid() else QPalette.WindowText)
p.save()
topt = QTextOption(Qt.AlignHCenter | Qt.AlignVCenter)
f = QFont()
f.setBold(True)
p.setFont(f)
p.setPen(Qt.darkBlue)
p.drawText(QRectF(titleRect), groupBox.text.replace("&", ""), topt)
p.restore()
if groupBox.state & style.State_HasFocus:
fropt = QStyleOptionFocusRect()
# fropt.operator=(groupBox)
fropt.state = groupBox.state
fropt.rect = textRect
style.drawPrimitive(style.PE_FrameFocusRect, fropt, p)
def paintEvent(self, event):
option = QStyleOption()
option.initFrom(self)
contents_rect = self.style().subElementRect(
QStyle.SE_FrameContents, option, self
) or self.contentsRect(
) # the SE_FrameContents rect is Null unless the stylesheet defines decorations
if self.graphStyle == self.BarStyle:
graph_width = self.__dict__['graph_width'] = int(
ceil(
float(contents_rect.width()) /
self.horizontalPixelsPerUnit))
else:
graph_width = self.__dict__['graph_width'] = int(
ceil(
float(contents_rect.width() - 1) /
self.horizontalPixelsPerUnit) + 1)
max_value = self.__dict__['max_value'] = max(
chain([0],
*(islice(reversed(graph.data), graph_width)
for graph in self.graphs if graph.enabled)))
if self.graphHeight == self.AutomaticHeight or self.graphHeight < 0:
graph_height = self.__dict__['graph_height'] = max(
self.scaler.get_height(max_value), self.minHeight)
else:
graph_height = self.__dict__['graph_height'] = max(
self.graphHeight, self.minHeight)
if self.graphStyle == self.BarStyle:
height_scaling = float(contents_rect.height()) / graph_height
else:
height_scaling = float(contents_rect.height() -
self.lineThickness) / graph_height
painter = QStylePainter(self)
painter.drawPrimitive(QStyle.PE_Widget, option)
painter.setClipRect(contents_rect)
painter.save()
painter.translate(contents_rect.x() + contents_rect.width() - 1,
contents_rect.y() + contents_rect.height() - 1)
painter.scale(-1, -1)
painter.setRenderHint(QStylePainter.Antialiasing,
self.graphStyle != self.BarStyle)
for graph in (graph for graph in self.graphs
if graph.enabled and graph.data):
if self.boundary is not None and 0 < self.boundary < graph_height:
boundary_width = min(5.0 / height_scaling, self.boundary - 0,
graph_height - self.boundary)
pen_color = QLinearGradient(
0, (self.boundary - boundary_width) * height_scaling, 0,
(self.boundary + boundary_width) * height_scaling)
pen_color.setColorAt(0, graph.color)
pen_color.setColorAt(1, graph.over_boundary_color)
brush_color = QLinearGradient(
0, (self.boundary - boundary_width) * height_scaling, 0,
(self.boundary + boundary_width) * height_scaling)
brush_color.setColorAt(
0, self.color_with_alpha(graph.color,
self.fillTransparency))
brush_color.setColorAt(
1,
self.color_with_alpha(graph.over_boundary_color,
self.fillTransparency))
else:
pen_color = graph.color
brush_color = self.color_with_alpha(graph.color,
self.fillTransparency)
dataset = islice(reversed(graph.data), graph_width)
if self.graphStyle == self.BarStyle:
lines = [
QLineF(x * self.horizontalPixelsPerUnit, 0,
x * self.horizontalPixelsPerUnit,
y * height_scaling) for x, y in enumerate(dataset)
]
painter.setPen(QPen(pen_color, self.lineThickness))
painter.drawLines(lines)
else:
painter.translate(0, +self.lineThickness / 2 - 1)
if self.smoothEnvelope and self.smoothFactor > 0:
min_value = 0
max_value = graph_height * height_scaling
cx_offset = self.horizontalPixelsPerUnit / 3.0
smoothness = self.smoothFactor
last_values = deque(
3 * [next(dataset) * height_scaling], maxlen=3
) # last 3 values: 0 last, 1 previous, 2 previous previous
envelope = QPainterPath()
envelope.moveTo(0, last_values[0])
for x, y in enumerate(dataset, 1):
x = x * self.horizontalPixelsPerUnit
y = y * height_scaling * (
1 - smoothness) + last_values[0] * smoothness
last_values.appendleft(y)
c1x = x - cx_offset * 2
c2x = x - cx_offset
c1y = limit(
(1 + smoothness) * last_values[1] -
smoothness * last_values[2], min_value, max_value
) # same gradient as previous previous value to previous value
c2y = limit(
(1 - smoothness) * last_values[0] +
smoothness * last_values[1], min_value, max_value
) # same gradient as previous value to last value
envelope.cubicTo(c1x, c1y, c2x, c2y, x, y)
else:
envelope = QPainterPath()
envelope.addPolygon(
QPolygonF([
QPointF(x * self.horizontalPixelsPerUnit,
y * height_scaling)
for x, y in enumerate(dataset)
]))
if self.fillEnvelope or graph.fill_envelope:
first_element = envelope.elementAt(0)
last_element = envelope.elementAt(envelope.elementCount() -
1)
fill_path = QPainterPath()
fill_path.moveTo(last_element.x, last_element.y)
fill_path.lineTo(last_element.x + 1, last_element.y)
fill_path.lineTo(last_element.x + 1, -self.lineThickness)
fill_path.lineTo(-self.lineThickness, -self.lineThickness)
fill_path.lineTo(-self.lineThickness, first_element.y)
fill_path.connectPath(envelope)
painter.fillPath(fill_path, brush_color)
painter.strokePath(
envelope,
QPen(pen_color, self.lineThickness, join=Qt.RoundJoin))
painter.translate(0, -self.lineThickness / 2 + 1)
if self.boundary is not None and self.boundaryColor:
painter.setRenderHint(QStylePainter.Antialiasing, False)
painter.setPen(QPen(self.boundaryColor, 1.0))
painter.drawLine(0, self.boundary * height_scaling,
contents_rect.width(),
self.boundary * height_scaling)
painter.restore()
# queue the 'updated' signal to be emitted after returning to the main loop
QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)