def __init__(self, *args):
Qt.QFrame.__init__(self, *args)
self.frequencySlider = Qwt.QwtSlider(self, Qt.Qt.Horizontal,
Qwt.QwtSlider.TopScale)
self.frequencySlider.setScaleMaxMinor(5)
self.frequencySlider.setScaleMaxMajor(12)
self.frequencySlider.setThumbLength(80)
self.frequencySlider.setBorderWidth(1)
self.frequencySlider.setRange(87.5, 108, 0.01, 10)
self.tuningThermo = TuningThermo(self)
self.frequencyWheel = Qwt.QwtWheel(self)
self.frequencyWheel.setMass(0.5)
self.frequencyWheel.setRange(87.5, 108, 0.01)
self.frequencyWheel.setTotalAngle(3600.0)
self.connect(self.frequencyWheel, Qt.SIGNAL("valueChanged(double)"),
self.adjustFreq)
self.connect(self.frequencySlider, Qt.SIGNAL("valueChanged(double)"),
self.adjustFreq)
mainLayout = Qt.QVBoxLayout(self)
mainLayout.setMargin(10)
mainLayout.setSpacing(5)
mainLayout.addWidget(self.frequencySlider)
hLayout = Qt.QHBoxLayout()
hLayout.setMargin(0)
hLayout.addWidget(self.tuningThermo, 0)
hLayout.addStretch(5)
hLayout.addWidget(self.frequencyWheel, 2)
mainLayout.addLayout(hLayout)
def __init__(self, parent=None, orientation=qt.Qt.Horizontal):
qt.QWidget.__init__(self, parent)
self.mainLayout = qt.QHBoxLayout(self)
self.mainLayout.setMargin(0)
self.wheel = Qwt5.QwtWheel(self)
self.wheel.setOrientation(orientation)
self.lineEdit = qt.QLineEdit(self)
self.lineEdit.setText("")
self.lineEdit.setReadOnly(True)
self.mainLayout.addWidget(self.wheel)
self.mainLayout.addWidget(self.lineEdit)
def __init__(self, parent=None, orientation=qt.Qt.Horizontal):
qt.QWidget.__init__(self, parent)
if orientation == qt.Qt.Horizontal:
self.mainLayout = qt.QHBoxLayout(self)
self.spacer = HorizontalSpacer(self)
else:
orientation = qt.Qt.Vertical
self.mainLayout = qt.QVBoxLayout(self)
self.spacer = VerticalSpacer(self)
self.mainLayout.setMargin(0)
self.wheel = Qwt5.QwtWheel(self)
self.wheel.setOrientation(orientation)
if orientation == qt.Qt.Horizontal:
self.mainLayout.addWidget(self.wheel)
self.mainLayout.addWidget(self.spacer)
else:
self.mainLayout.addWidget(self.spacer)
self.mainLayout.addWidget(self.wheel)
def __init__(self, *args):
Qwt.QwtPlot.__init__(self, *args)
self.setTitle("Interactive Plot")
self.setCanvasColor(Qt.Qt.darkCyan)
grid = Qwt.QwtPlotGrid()
grid.attach(self)
grid.setMajPen(Qt.QPen(Qt.Qt.white, 0, Qt.Qt.DotLine))
self.setAxisScale(Qwt.QwtPlot.xBottom, 0.0, 100.0)
self.setAxisScale(Qwt.QwtPlot.yLeft, 0.0, 100.0)
# Avoid jumping when label with 3 digits
# appear/disappear when scrolling vertically
scaleDraw = self.axisScaleDraw(Qwt.QwtPlot.yLeft)
scaleDraw.setMinimumExtent(
scaleDraw.extent(Qt.QPen(),
self.axisWidget(Qwt.QwtPlot.yLeft).font()))
self.plotLayout().setAlignCanvasToScales(True)
self.__insertCurve(Qt.Qt.Vertical, Qt.Qt.blue, 30.0)
self.__insertCurve(Qt.Qt.Vertical, Qt.Qt.magenta, 70.0)
self.__insertCurve(Qt.Qt.Horizontal, Qt.Qt.yellow, 30.0)
self.__insertCurve(Qt.Qt.Horizontal, Qt.Qt.white, 70.0)
self.replot()
scaleWidget = self.axisWidget(Qwt.QwtPlot.yLeft)
scaleWidget.setMargin(10)
self.__colorBar = ColorBar(Qt.Qt.Vertical, scaleWidget)
self.__colorBar.setRange(Qt.QColor(Qt.Qt.red),
Qt.QColor(Qt.Qt.darkBlue))
self.__colorBar.setFocusPolicy(Qt.Qt.TabFocus)
self.connect(self.__colorBar, Qt.SIGNAL('colorSelected'),
self.setCanvasColor)
# we need the resize events, to lay out the color bar
scaleWidget.installEventFilter(self)
self.__wheel = Qwt.QwtWheel(self.canvas())
self.__wheel.setOrientation(Qt.Qt.Vertical)
self.__wheel.setRange(-100, 100)
self.__wheel.setValue(0.0)
self.__wheel.setMass(0.2)
self.__wheel.setTotalAngle(4 * 360.0)
self.connect(self.__wheel, Qt.SIGNAL('valueChanged(double)'),
self.scrollLeftAxis)
# we need the resize events, to lay out the wheel
self.canvas().installEventFilter(self)
scaleWidget.setWhatsThis(
'Selecting a value at the scale will insert a new curve.')
self.__colorBar.setWhatsThis(
'Selecting a color will change the background of the plot.')
self.__wheel.setWhatsThis(
'With the wheel you can move the visible area.')
self.axisWidget(Qwt.QwtPlot.xBottom).setWhatsThis(
'Selecting a value at the scale will insert a new curve.')
