Python QtGui.QSlider類代碼示例

class MultiVolumeVisualizationMIP(MultiVolumeVisualization):
	"""
	MultiVolumeVisualizationMIP is a visualization that shows
	MIP visualizations of both datasets and adds them
	together. It uses complementary colors for the datasets
	so that the visualization is white in the spots where
	they are the same.
	"""
	def __init__(self):
		super(MultiVolumeVisualizationMIP, self).__init__()

		self.fixedHue = 0

	@overrides(MultiVolumeVisualization)
	def getParameterWidget(self):
		self.hueSlider = QSlider(Qt.Horizontal)
		self.hueSlider.setMaximum(360)
		self.hueSlider.setValue(self.fixedHue)
		self.hueSlider.valueChanged.connect(self.valueChanged)

		layout = QGridLayout()
		layout.setAlignment(Qt.AlignTop)
		layout.addWidget(QLabel("Base hue"), 0, 0)
		layout.addWidget(self.hueSlider, 0, 1)

		widget = QWidget()
		widget.setLayout(layout)
		return widget

	@overrides(MultiVolumeVisualization)
	def setImageData(self, fixedImageData, movingImageData):
		self.fixedImageData = fixedImageData
		self.movingImageData = movingImageData

	@overrides(MultiVolumeVisualization)
	def updateTransferFunctions(self):
		self.fixedVolProp = self._createVolPropFromImageData(self.fixedImageData)
		self.movingVolProp = self._createVolPropFromImageData(self.movingImageData)

		self.updatedTransferFunction.emit()

	@overrides(MultiVolumeVisualization)
	def valueChanged(self, value):
		self.fixedHue = self.hueSlider.value()
		self.updateTransferFunctions()

	@overrides(MultiVolumeVisualization)
	def setMapper(self, mapper):
		self.mapper = mapper

	def _createVolPropFromImageData(self, imageData):
		volProp = vtkVolumeProperty()
		if imageData is not None:
			color, opacityFunction = CreateRangeFunctions(imageData)
		else:
			color, opacityFunction = CreateEmptyFunctions()
		volProp.SetColor(color)
		volProp.SetScalarOpacity(opacityFunction)

		return volProp

	def getParameterWidget(self):
		"""
		Returns a widget with sliders / fields with which properties of this
		volume property can be adjusted.
		:rtype: QWidget
		"""
		layout = QGridLayout()
		layout.setContentsMargins(0, 0, 0, 0)
		layout.setAlignment(Qt.AlignTop)

		self.sliders = []
		for index in range(7):
			slider = QSlider(Qt.Horizontal)
			slider.setMinimum(0)
			slider.setMaximum(1000)
			slider.setValue(int(math.pow(self.sectionsOpacity[index], 1.0/3.0) * slider.maximum()))
			slider.valueChanged.connect(self.valueChanged)
			self.sliders.append(slider)
			label = QLabel(self.sectionNames[index])
			label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
			layout.addWidget(label, index, 0)
			layout.addWidget(slider, index, 1)

		try:
			from ColumnResizer import ColumnResizer
			columnResizer = ColumnResizer()
			columnResizer.addWidgetsFromLayout(layout, 0)
		except Exception, e:
			print e

    def initUi(self):

        #slider
        slider = QSlider(PySide.QtCore.Qt.Orientation.Horizontal, self)
        slider.setRange(0,2)
        slider.setTickInterval(1)
        slider.setValue(2)
        self.slider = slider

        #.. and corresponding label element
        label = QLabel(self)
        label.setText(self.activation_states[slider.value()])
        self.label = label
        
        #connections
        #PySide.QtCore.QObject.connect(slider, slider.valueChanged, self, self.update_label)
        #self.connect(slider.valueChanged, self.update_label())
        slider.valueChanged[int].connect(self.update_label)
        
        # layout
        lo = QVBoxLayout() 
        lo.addWidget( slider )
        lo.addWidget( label )


        self.setLayout(lo)

 def _buildSetupPanel(self):
     '''
     Creates the sub-panel containing control widgets for re-initializing 
     the world on demand.
     '''
     self._percentLbl = QLabel("%")
     self._setupBtn = QPushButton("Setup", self._window)
     self._setupBtn.clicked.connect(self._onSetup)
     
     self._percentObstacleSldr = QSlider(Qt.Horizontal, self._window)
     self._percentObstacleSldr.setTickPosition(QSlider.TickPosition.TicksBelow)
     self._percentObstacleSldr.setTickInterval(10)
     self._percentObstacleSldr.setMinimum(0)
     self._percentObstacleSldr.setMaximum(100)
     self._percentObstacleSldr.valueChanged.connect(self._onPercentSlideChange)
     self._percentObstacleSldr.setValue(33)
     
     layout = QGridLayout()
     layout.addWidget(self._setupBtn, 0, 0, 1, 2)
     layout.addWidget(QLabel("Percent Occupied:"), 1, 0)
     layout.addWidget(self._percentLbl, 1, 1)
     layout.addWidget(self._percentObstacleSldr, 2, 0, 1, 2)
     
     grpBx = QGroupBox("Setup Controls")
     grpBx.setLayout(layout)
     grpBx.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
     return grpBx        

    def createDisplayFields(self):
        display_widget = QFrame()
        display_widget.setFrameStyle(QtGui.QFrame.Panel | QtGui.QFrame.Sunken)
        self.left_layout.addWidget(display_widget)
        self.display_layout = QHBoxLayout()

        # self.turn = self.transcript.current_turn()
        self.time_field = qHotField("time", str, "00:00:00", min_size=75, max_size=75, pos="top", handler=self.update_time)
        self.display_layout.addWidget(self.time_field)
        self.speaker_field = qHotField("speaker", str, " ", min_size=75, max_size=75, pos="top", handler=self.update_speaker)
        self.display_layout.addWidget(self.speaker_field)
        self.utt_field = qHotField("utterance", str, " ", min_size=350, max_size=500, pos="top", handler=self.update_utterance, multiline=True)
        self.utt_field.setStyleSheet("font: 14pt \"Courier\";")
        # self.utt_field.efield.setFont(QFont('SansSerif', 12))
        self.display_layout.addWidget(self.utt_field)

        display_widget.setLayout(self.display_layout)
        self.display_layout.setStretchFactor(self.speaker_field, 0)
        self.display_layout.setStretchFactor(self.utt_field, 1)

        self.transcript_slider = QSlider(QtCore.Qt.Horizontal, self)
        self.display_layout.addWidget(self.transcript_slider)
        self.transcript_slider.setMaximum(100)
        self.connect(self.transcript_slider,
                     QtCore.SIGNAL("sliderMoved(int)"), self.position_transcript)
        self.left_layout.addWidget(self.transcript_slider)

 def __init__(self, text, minValue, maxValue, defaultValue ):
     
     QWidget.__init__( self )
     
     validator = QDoubleValidator(minValue, maxValue, 2, self )
     mainLayout = QHBoxLayout( self )
     
     checkBox = QCheckBox()
     checkBox.setFixedWidth( 115 )
     checkBox.setText( text )
     
     lineEdit = QLineEdit()
     lineEdit.setValidator( validator )
     lineEdit.setText( str(defaultValue) )
     
     slider = QSlider( QtCore.Qt.Horizontal )
     slider.setMinimum( minValue*100 )
     slider.setMaximum( maxValue*100 )
     slider.setValue( defaultValue )
     
     mainLayout.addWidget( checkBox )
     mainLayout.addWidget( lineEdit )
     mainLayout.addWidget( slider )
     
     QtCore.QObject.connect( slider, QtCore.SIGNAL( 'valueChanged(int)' ), self.syncWidthLineEdit )
     QtCore.QObject.connect( lineEdit, QtCore.SIGNAL( 'textChanged(QString)' ), self.syncWidthSlider )
     QtCore.QObject.connect( checkBox, QtCore.SIGNAL( "clicked()" ), self.updateEnabled )
     
     self.checkBox = checkBox
     self.slider = slider
     self.lineEdit = lineEdit
     
     self.updateEnabled()

 def __init__(self, *args, **kwargs ):
     
     self.minimum = 1
     self.maximum = 100
     self.lineEditMaximum = 10000
     
     QMainWindow.__init__( self, *args, **kwargs )
     self.installEventFilter( self )
     #self.setWindowFlags( QtCore.Qt.Drawer )
     self.setWindowTitle( Window_global.title )
     
     widgetMain = QWidget()
     layoutVertical = QVBoxLayout( widgetMain )
     self.setCentralWidget( widgetMain )
     
     layoutSlider = QHBoxLayout()
     lineEdit     = QLineEdit(); lineEdit.setFixedWidth( 100 )
     lineEdit.setText( str( 1 ) )
     validator    = QIntValidator(self.minimum, self.lineEditMaximum, self)
     lineEdit.setValidator( validator )
     slider       = QSlider(); slider.setOrientation( QtCore.Qt.Horizontal )
     slider.setMinimum( self.minimum )
     slider.setMaximum( self.maximum )
     layoutSlider.addWidget( lineEdit )
     layoutSlider.addWidget( slider )
     layoutAngle = QVBoxLayout()
     checkBox = QCheckBox( 'Connect Angle By Tangent' )
     layoutVector = QHBoxLayout()
     leVx = QLineEdit(); leVx.setText( str( 1.000 ) ); leVx.setEnabled( False )
     leVx.setValidator( QDoubleValidator( -100, 100, 5, self ) )
     leVy = QLineEdit(); leVy.setText( str( 0.000 ) ); leVy.setEnabled( False )
     leVy.setValidator( QDoubleValidator( -100, 100, 5, self ) )
     leVz = QLineEdit(); leVz.setText( str( 0.000 ) ); leVz.setEnabled( False )
     leVz.setValidator( QDoubleValidator( -100, 100, 5, self ) )
     layoutAngle.addWidget( checkBox )
     layoutAngle.addLayout( layoutVector )
     layoutVector.addWidget( leVx ); layoutVector.addWidget( leVy ); layoutVector.addWidget( leVz )
     button       = QPushButton( 'Create' )
     
     layoutVertical.addLayout( layoutSlider )
     layoutVertical.addLayout( layoutAngle )
     layoutVertical.addWidget( button )
     
     QtCore.QObject.connect( slider, QtCore.SIGNAL('valueChanged(int)'),   self.sliderValueChanged )
     QtCore.QObject.connect( lineEdit, QtCore.SIGNAL('textEdited(QString)'), self.lineEditValueChanged )
     QtCore.QObject.connect( button, QtCore.SIGNAL('clicked()'), Functions.createPointOnCurve )
     QtCore.QObject.connect( checkBox, QtCore.SIGNAL( 'clicked()'), Functions.setAngleEnabled )
     self.slider = slider
     self.lineEdit = lineEdit
     
     Window_global.slider = slider
     Window_global.button = button
     Window_global.checkBox = checkBox
     Window_global.leVx = leVx
     Window_global.leVy = leVy
     Window_global.leVz = leVz

class SliderWidget(QWidget):
	"""
	SliderWidget
	"""
	valueChanged = Signal(int)

	def __init__(self):
		super(SliderWidget, self).__init__()

		self.label = QLabel()
		self.slider = QSlider(Qt.Horizontal)
		self.spinbox = QSpinBox()

		self.slider.valueChanged.connect(self.changedValue)
		self.spinbox.valueChanged.connect(self.changedValue)

		layout = QGridLayout()
		layout.setContentsMargins(0, 0, 0, 0)
		layout.setVerticalSpacing(0)
		layout.addWidget(self.label, 0, 0)
		layout.addWidget(self.slider, 0, 1)
		layout.addWidget(self.spinbox, 0, 2)
		self.setLayout(layout)

	def setName(self, name):
		"""
		Set the name for the slider
		"""
		self.label.setText(name)

	def setRange(self, range):
		"""
		Set the range for the value
		"""
		self.slider.setMinimum(range[0])
		self.spinbox.setMinimum(range[0])
		self.slider.setMaximum(range[1])
		self.spinbox.setMaximum(range[1])

	def setValue(self, value):
		"""
		Set the value for the slider and the spinbox
		"""
		self.slider.setValue(value)
		self.spinbox.setValue(value)

	def value(self):
		return self.slider.value()

	@Slot(int)
	def changedValue(self, value):
		self.setValue(value)
		self.valueChanged.emit(value)

class NumericBox(QFrame):
    """
    A box with a spinner and a slider to allow easier value manipulation by user
    """
    valueChanged = Signal(float)
    spinner = QDoubleSpinBox
    step = 0.1

    def __init__(self, parent=None):
        super(NumericBox, self).__init__(parent)
        self.slider = QSlider(Qt.Horizontal)

        self.spinner = self.spinner()
        self.spinner.setSingleStep(self.step)

        self.slider.setTickInterval(self.step * 100)
        self.slider.setSingleStep(self.step * 100)

        self.slider.sliderMoved.connect(lambda x: self.spinner.setValue(x / 100))
        self.spinner.valueChanged.connect(self.applyValue)

        self.setLayout(line(self.slider, self.spinner))
        self.layout().setStretch(1, 0)

    def applyValue(self, value):
        self.valueChanged.emit(value)
        self.slider.setValue(value * 100)

    def setValue(self, value):
        self.spinner.setValue(value)
        self.slider.setValue(value * 100)

    def setRange(self, mini, maxi):
        self.spinner.setRange(mini, maxi)
        self.slider.setRange(mini * 100, maxi * 100)

    def value(self):
        return self.spinner.value()

	def getParameterWidget(self):
		self.hueSlider = QSlider(Qt.Horizontal)
		self.hueSlider.setMaximum(360)
		self.hueSlider.setValue(self.fixedHue)
		self.hueSlider.valueChanged.connect(self.valueChanged)

		layout = QGridLayout()
		layout.setAlignment(Qt.AlignTop)
		layout.addWidget(QLabel("Base hue"), 0, 0)
		layout.addWidget(self.hueSlider, 0, 1)

		widget = QWidget()
		widget.setLayout(layout)
		return widget

    def __init__(self, parent=None):
        super(NumericBox, self).__init__(parent)
        self.slider = QSlider(Qt.Horizontal)

        self.spinner = self.spinner()
        self.spinner.setSingleStep(self.step)

        self.slider.setTickInterval(self.step * 100)
        self.slider.setSingleStep(self.step * 100)

        self.slider.sliderMoved.connect(lambda x: self.spinner.setValue(x / 100))
        self.spinner.valueChanged.connect(self.applyValue)

        self.setLayout(line(self.slider, self.spinner))
        self.layout().setStretch(1, 0)

	def __init__(self):
		super(SliderWidget, self).__init__()

		self.label = QLabel()
		self.slider = QSlider(Qt.Horizontal)
		self.spinbox = QSpinBox()

		self.slider.valueChanged.connect(self.changedValue)
		self.spinbox.valueChanged.connect(self.changedValue)

		layout = QGridLayout()
		layout.setContentsMargins(0, 0, 0, 0)
		layout.setVerticalSpacing(0)
		layout.addWidget(self.label, 0, 0)
		layout.addWidget(self.slider, 0, 1)
		layout.addWidget(self.spinbox, 0, 2)
		self.setLayout(layout)

    def __init__(self, parent=None, name=None):
        QWidget.__init__(self, parent)
        self.name = name
        self.set_format('.3f')

        # create widgets
        self.label = QLabel()
        self.slider = QSlider(QtCore.Qt.Orientation.Horizontal)        
        self.slider.valueChanged.connect(self._update_label)
        
        # set default values
        self.set_range(0, 100)
        self.set_value(50)        

        # create layout for the entire widget
        box = QVBoxLayout()
        box.addWidget(self.label)
        box.addWidget(self.slider)        
        self.setLayout(box)

	def __init__(self):
		super(SliderFloatWidget, self).__init__()

		self.label = QLabel()
		self.slider = QSlider(Qt.Horizontal)
		self.spinbox = QDoubleSpinBox()

		self.slider.valueChanged.connect(self.changedValueFromSlider)
		self.spinbox.valueChanged.connect(self.changedValueFromSpinBox)

		# Keep track of whether one of the values was changed
		# By setting the value of the slider and the spinbox, valueChanged
		# events are fired. These events have to be ignored
		self._changed = False

		layout = QGridLayout()
		layout.setContentsMargins(0, 0, 0, 0)
		layout.setVerticalSpacing(0)
		layout.addWidget(self.label, 0, 0)
		layout.addWidget(self.slider, 0, 1)
		layout.addWidget(self.spinbox, 0, 2)
		self.setLayout(layout)

 def __init__(self):
     super(Layer, self).__init__()
     self.orientation = Quaternion()
     self.picked = None
     self.show = QCheckBox()
     self.show.setChecked(True)
     self.alpha_slider = QSlider(QtCore.Qt.Orientation.Horizontal)
     self.alpha_slider.setRange(0, 1024)
     self.alpha_slider.setValue(1024)
     self.alpha_number = QDoubleSpinBox()
     self.alpha_number.setDecimals(3)
     self.alpha_number.setSingleStep(0.01)
     self.alpha_number.setRange(0, 1)
     self.alpha_number.setValue(1)
     self.alpha_slider.valueChanged.connect(self._alphaSliderChanged)
     self.alpha_number.valueChanged.connect(self._alphaNumberChanged)
     self.move = QCheckBox()
     self.move.setChecked(True)
     self.quat = QLineEdit()
     font = QFont('monospace')
     font.setStyleHint(QFont.TypeWriter)
     self.quat.setFont(font)
     default_quat = '+0.000, +1.000, +0.000, +0.000'
     margins = self.quat.textMargins()
     self.quat.setFixedWidth(
         # HACK -------------------------------------------v
         QFontMetrics(self.quat.font()).width(default_quat + '  ') +
         margins.left() + margins.right()
     )
     self.quat.setInputMask('#0.000, #0.000, #0.000, #0.000')
     self.quat.setMaxLength(30)
     self.quat.setText(default_quat)
     self.quat.editingFinished.connect(self._orientationChanged)
     self.nbytes = QLabel()
     self.nbytes.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
     self.nbytes.setText('0')
     self.label = QLabel()
     self.label.setText('<empty>')