def StyledWidget_paintEvent(self, event):
"""A default styled QWidget subclass paintEvent function.
"""
opt = QStyleOption()
opt.initFrom(self)
painter = QPainter(self)
self.style().drawPrimitive(QStyle.PE_Widget, opt, painter, self)
def paintEvent(self, event):
option=QStyleOption()
option.initFrom(self)
h=option.rect.height()
w=option.rect.width()
if self.m_shape in (QLed.Triangle, QLed.Round):
aspect=(4/3.0) if self.m_shape==QLed.Triangle else 2.0
ah=w/aspect
aw=w
if ah>h:
ah=h
aw=h*aspect
x=abs(aw-w)/2.0
y=abs(ah-h)/2.0
bounds=QRectF(x,y,aw,ah)
else:
size=min(w,h)
x=abs(size-w)/2.0
y=abs(size-h)/2.0
bounds=QRectF(x,y,size,size)
painter=QPainter(self);
painter.setRenderHint(QPainter.Antialiasing, True);
(dark_r,dark_g,dark_b)=self.colours[self.m_onColour if self.m_value else self.m_offColour]
dark_str="rgb(%d,%d,%d)" % (dark_r,dark_g,dark_b)
light_str="rgb(%d,%d,%d)" % self.adjust(dark_r,dark_g,dark_b)
self.renderer.load(QByteArray(self.shapes[self.m_shape] % (dark_str,light_str)))
self.renderer.render(painter, bounds)
def StyledWidget_paintEvent(self, event):
"""A default styled QWidget subclass paintEvent function.
"""
opt = QStyleOption()
opt.initFrom(self)
painter = QPainter(self)
self.style().drawPrimitive(QStyle.PE_Widget, opt, painter, self)
def paintEvent(self, event):
option = QStyleOption()
option.initFrom(self)
painter = QStylePainter(self)
painter.setRenderHint(QStylePainter.Antialiasing, True)
painter.drawPrimitive(
QStyle.PE_Widget if self.testAttribute(Qt.WA_NoSystemBackground)
else QStyle.PE_Frame, option)
def sizeHint(self):
if self.__sizeHint is None:
option = QStyleOption()
option.initFrom(self)
metrics = option.fontMetrics
self.__sizeHint = QSize(200, metrics.height())
return self.__sizeHint
def sizeHint(self):
if self.__sizeHint is None:
option = QStyleOption()
option.initFrom(self)
metrics = option.fontMetrics
self.__sizeHint = QSize(200, metrics.height())
return self.__sizeHint
def paintEvent(self, ev):
"""
Reimplemented from parent class.
\protected
"""
p = QPainter(self)
opt = QStyleOption()
opt.initFrom(self)
self.style().drawPrimitive(QStyle.PE_IndicatorToolBarSeparator,
opt, p, self)
def paintEvent(self, event):
painter = QStylePainter(self)
option = QStyleOption()
option.initFrom(self)
rect = option.rect
metrics = option.fontMetrics
text = metrics.elidedText(self.__text, self.__textElideMode, rect.width())
painter.drawItemText(rect, self.__alignment, option.palette, self.isEnabled(), text, self.foregroundRole())
painter.end()
def paintEvent(self, event):
painter = QStylePainter(self)
option = QStyleOption()
option.initFrom(self)
rect = option.rect
metrics = option.fontMetrics
text = metrics.elidedText(self.__text, self.__textElideMode,
rect.width())
painter.drawItemText(rect, self.__alignment, option.palette,
self.isEnabled(), text, self.foregroundRole())
painter.end()
def paintEvent(self, event):
if self.__isTransparencySupported:
opt = QStyleOption()
opt.initFrom(self)
rect = opt.rect
p = QPainter(self)
p.setRenderHint(QPainter.Antialiasing, True)
p.setBrush(opt.palette.brush(QPalette.Window))
p.setPen(Qt.NoPen)
p.drawRoundedRect(rect, self.__radius, self.__radius)
p.end()
else:
StyledWidget_paintEvent(self, event)
def paintEvent(self, event):
if self.__isTransparencySupported:
opt = QStyleOption()
opt.initFrom(self)
rect = opt.rect
p = QPainter(self)
p.setRenderHint(QPainter.Antialiasing, True)
p.setBrush(opt.palette.brush(QPalette.Window))
p.setPen(Qt.NoPen)
p.drawRoundedRect(rect, self.__radius, self.__radius)
p.end()
else:
StyledWidget_paintEvent(self, event)
def paintEvent(self, event):
"""Paint the widget."""
opt = QStyleOption()
opt.initFrom(self)
painter = QPainter(self)
if self._direction == QArrow.UP:
primitive = QStyle.PE_IndicatorArrowUp
elif self._direction == QArrow.DOWN:
primitive = QStyle.PE_IndicatorArrowDown
elif self._direction == QArrow.LEFT:
primitive = QStyle.PE_IndicatorArrowLeft
else:
primitive = QStyle.PE_IndicatorArrowRight
painter.translate(-5, 0)
painter.setViewTransformEnabled(True)
self.style().drawPrimitive(primitive, opt, painter, self)
def __updateMask(self):
opt = QStyleOption()
opt.initFrom(self)
rect = opt.rect
size = rect.size()
mask = QBitmap(size)
p = QPainter(mask)
p.setRenderHint(QPainter.Antialiasing)
p.setBrush(Qt.black)
p.setPen(Qt.NoPen)
p.drawRoundedRect(rect, self.__radius, self.__radius)
p.end()
self.setMask(mask)
def __updateMask(self):
opt = QStyleOption()
opt.initFrom(self)
rect = opt.rect
size = rect.size()
mask = QBitmap(size)
p = QPainter(mask)
p.setRenderHint(QPainter.Antialiasing)
p.setBrush(Qt.black)
p.setPen(Qt.NoPen)
p.drawRoundedRect(rect, self.__radius, self.__radius)
p.end()
self.setMask(mask)
def paintEvent(self, event):
"""Paint the widget."""
opt = QStyleOption()
opt.initFrom(self)
painter = QPainter(self)
if self._direction == QArrow.UP:
primitive = QStyle.PE_IndicatorArrowUp
elif self._direction == QArrow.DOWN:
primitive = QStyle.PE_IndicatorArrowDown
elif self._direction == QArrow.LEFT:
primitive = QStyle.PE_IndicatorArrowLeft
else:
primitive = QStyle.PE_IndicatorArrowRight
painter.translate(-5, 0)
painter.setViewTransformEnabled(True)
self.style().drawPrimitive(primitive, opt, painter, self)
def paintEvent(self, event):
"""Paint a nice primitive arrow."""
opt = QStyleOption()
opt.initFrom(self)
p = QPainter(self)
#painter.translate(20, 10)
p.rotate(-45)
if self._direction == QArrow.UP:
primitive = QStyle.PE_IndicatorArrowUp
elif self._direction == QArrow.DOWN:
primitive = QStyle.PE_IndicatorArrowDown
elif self._direction == QArrow.LEFT:
primitive = QStyle.PE_IndicatorArrowLeft
else:
primitive = QStyle.PE_IndicatorArrowRight
self.style().drawPrimitive(primitive, opt, p, self)
def paintEvent(self, event):
# TODO: Use QPainter.drawPixmapFragments on Qt 4.7
opt = QStyleOption()
opt.initFrom(self)
pixmap = self.__shadowPixmap
shadow_rect = QRectF(opt.rect)
widget_rect = QRectF(self.widget().geometry())
widget_rect.moveTo(self.radius_, self.radius_)
left = top = right = bottom = self.radius_
pixmap_rect = QRectF(QPointF(0, 0), QSizeF(pixmap.size()))
# Shadow casting rectangle in the source pixmap.
pixmap_shadow_rect = pixmap_rect.adjusted(left, top, -right, -bottom)
source_rects = self.__shadowPixmapFragments(pixmap_rect,
pixmap_shadow_rect)
target_rects = self.__shadowPixmapFragments(shadow_rect, widget_rect)
painter = QPainter(self)
for source, target in zip(source_rects, target_rects):
painter.drawPixmap(target, pixmap, source)
painter.end()
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 = [QLine(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*[dataset.next() * 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 emited after returning to the main loop
QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)
def paintEvent(self, event):
option = QStyleOption()
option.initFrom(self)
painter = QStylePainter(self)
painter.setRenderHint(QStylePainter.Antialiasing, True)
painter.drawPrimitive(QStyle.PE_Widget if self.testAttribute(Qt.WA_NoSystemBackground) else QStyle.PE_Frame, option)
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 = [QLine(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*[dataset.next() * 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 emited after returning to the main loop
QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)
def paintEvent(self, event):
opt = QStyleOption()
opt.initFrom(self)
painter = QPainter(self)
self.style().drawPrimitive(QStyle.PE_Widget, opt, painter, self)