def tickLabel(self, font, value):
lbl = self.__data.labelCache.get(value)
if lbl is None:
lbl = QwtText(self.label(value))
lbl.setRenderFlags(0)
lbl.setLayoutAttribute(QwtText.MinimumLayout)
lbl.textSize(font)
self.__data.labelCache[value] = lbl
return lbl
def tickLabel(self, font, value):
lbl = self.__data.labelCache.get(value)
if lbl is None:
lbl = QwtText(self.label(value))
lbl.setRenderFlags(0)
lbl.setLayoutAttribute(QwtText.MinimumLayout)
lbl.textSize(font)
self.__data.labelCache[value] = lbl
return lbl
def tickLabel(self, font, value):
"""
Convert a value into its representing label and cache it.
The conversion between value and label is called very often
in the layout and painting code. Unfortunately the
calculation of the label sizes might be slow (really slow
for rich text in Qt4), so it's necessary to cache the labels.
:param QFont font: Font
:param float value: Value
:return: Tick label
"""
lbl = self.__data.labelCache.get(value)
if lbl is None:
lbl = QwtText(self.label(value))
lbl.setRenderFlags(0)
lbl.setLayoutAttribute(QwtText.MinimumLayout)
lbl.textSize(font)
self.__data.labelCache[value] = lbl
return lbl
def tickLabel(self, font, value):
"""
Convert a value into its representing label and cache it.
The conversion between value and label is called very often
in the layout and painting code. Unfortunately the
calculation of the label sizes might be slow (really slow
for rich text in Qt4), so it's necessary to cache the labels.
:param QFont font: Font
:param float value: Value
:return: Tick label
"""
lbl = self.__data.labelCache.get(value)
if lbl is None:
lbl = QwtText(self.label(value))
lbl.setRenderFlags(0)
lbl.setLayoutAttribute(QwtText.MinimumLayout)
lbl.textSize(font)
self.__data.labelCache[value] = lbl
return lbl
def __init__(self, *args):
if len(args) == 0:
title, parent = "", None
elif len(args) == 1:
if isinstance(args[0], QWidget) or args[0] is None:
title = ""
parent, = args
else:
title, = args
parent = None
elif len(args) == 2:
title, parent = args
else:
raise TypeError("%s() takes 0, 1 or 2 argument(s) (%s given)"\
% (self.__class__.__name__, len(args)))
QwtPlotDict.__init__(self)
QFrame.__init__(self, parent)
self.__layout_state = None
self.__data = QwtPlot_PrivateData()
from qwt.plot_layout import QwtPlotLayout
self.__data.layout = QwtPlotLayout()
self.__data.autoReplot = False
self.setAutoReplot(True)
# self.setPlotLayout(self.__data.layout)
# title
self.__data.titleLabel = QwtTextLabel(self)
self.__data.titleLabel.setObjectName("QwtPlotTitle")
self.__data.titleLabel.setFont(QFont(self.fontInfo().family(), 14,
QFont.Bold))
text = QwtText(title)
text.setRenderFlags(Qt.AlignCenter|Qt.TextWordWrap)
self.__data.titleLabel.setText(text)
# footer
self.__data.footerLabel = QwtTextLabel(self)
self.__data.footerLabel.setObjectName("QwtPlotFooter")
footer = QwtText()
footer.setRenderFlags(Qt.AlignCenter|Qt.TextWordWrap)
self.__data.footerLabel.setText(footer)
# legend
self.__data.legend = None
# axis
self.__axisData = []
self.initAxesData()
# canvas
self.__data.canvas = QwtPlotCanvas(self)
self.__data.canvas.setObjectName("QwtPlotCanvas")
self.__data.canvas.installEventFilter(self)
self.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.resize(200, 200)
focusChain = [self, self.__data.titleLabel, self.axisWidget(self.xTop),
self.axisWidget(self.yLeft), self.__data.canvas,
self.axisWidget(self.yRight),
self.axisWidget(self.xBottom), self.__data.footerLabel]
for idx in range(len(focusChain)-1):
qwtSetTabOrder(focusChain[idx], focusChain[idx+1], False)
qwtEnableLegendItems(self, True)
