Python QTimer.setInterval方法代码示例

# 需要导入模块: from qt import QTimer [as 别名]
# 或者: from qt.QTimer import setInterval [as 别名]
class qSlicerMultiVolumeExplorerSimplifiedModuleWidget:

  def __init__(self, parent=None):
    logging.debug("qSlicerMultiVolumeExplorerSimplifiedModuleWidget:init() called")
    if not parent or not hasattr(parent, "layout"):
      self.parent = slicer.qMRMLWidget()
      self.parent.setLayout(QVBoxLayout())
    else:
      self.parent = parent

    self.layout = self.parent.layout()

    self._bgMultiVolumeNode = None
    self._fgMultiVolumeNode = None

    self.styleObserverTags = []
    self.sliceWidgetsPerStyle = {}

    self.chartPopupWindow = None
    self.chartPopupSize = QSize(600, 300)
    self.chartPopupPosition = QPoint(0,0)

  def hide(self):
    self.widget.hide()

  def show(self):
    self.widget.show()

  def setup(self):
    self.widget = QWidget()
    layout = QGridLayout()
    self.widget.setLayout(layout)
    self.layout.addWidget(self.widget)
    self.widget.show()
    self.layout = layout

    self.setupInputFrame()
    self.setupFrameControlFrame()
    self.setupAdditionalFrames()
    self.setupPlottingFrame()

    self.setFramesEnabled(False)

    self.timer = QTimer()
    self.timer.setInterval(50)

    self.setupConnections()

    # initialize slice observers (from DataProbe.py)
    # keep list of pairs: [observee,tag] so they can be removed easily
    self.styleObserverTags = []
    # keep a map of interactor styles to sliceWidgets so we can easily get sliceLogic
    self.sliceWidgetsPerStyle = {}
    self.refreshObservers()

  def setupInputFrame(self, parent=None):
    if not parent:
      parent = self.layout
    self.bgMultiVolumeSelector = slicer.qMRMLNodeComboBox()
    self.bgMultiVolumeSelector.nodeTypes = ['vtkMRMLMultiVolumeNode']
    self.bgMultiVolumeSelector.setMRMLScene(slicer.mrmlScene)
    self.bgMultiVolumeSelector.addEnabled = 0
    self._bgMultiVolumeSelectorLabel = QLabel('Input multivolume')
    inputFrameWidget = QWidget()
    self.inputFrameLayout = QFormLayout()
    inputFrameWidget.setLayout(self.inputFrameLayout)
    self.inputFrameLayout.addRow(self._bgMultiVolumeSelectorLabel, self.bgMultiVolumeSelector)
    parent.addWidget(inputFrameWidget)

  def setupFrameControlFrame(self):
    # TODO: initialize the slider based on the contents of the labels array
    self.frameSlider = ctk.ctkSliderWidget()
    self.frameLabel = QLabel('Current frame number')
    self.playButton = QPushButton('Play')
    self.playButton.toolTip = 'Iterate over multivolume frames'
    self.playButton.checkable = True
    frameControlHBox = QHBoxLayout()
    frameControlHBox.addWidget(self.frameLabel)
    frameControlHBox.addWidget(self.frameSlider)
    frameControlHBox.addWidget(self.playButton)
    self.inputFrameLayout.addRow(frameControlHBox)

  def setupAdditionalFrames(self):
    pass

  def setupPlottingFrame(self, parent=None):
    if not parent:
      parent = self.layout
    self.plottingFrameWidget = QWidget()
    self.plottingFrameLayout = QGridLayout()
    self.plottingFrameWidget.setLayout(self.plottingFrameLayout)
    self._multiVolumeIntensityChart = MultiVolumeIntensityChartView()
    self.popupChartButton = QPushButton("Undock chart")
    self.popupChartButton.setCheckable(True)
    self.plottingFrameLayout.addWidget(self._multiVolumeIntensityChart.chartView)
    self.plottingFrameLayout.addWidget(self.popupChartButton)
    parent.addWidget(self.plottingFrameWidget)

  def setupConnections(self):
    self.parent.connect('mrmlSceneChanged(vtkMRMLScene*)', self.onVCMRMLSceneChanged)
#.........这里部分代码省略.........

# 需要导入模块: from qt import QTimer [as 别名]
# 或者: from qt.QTimer import setInterval [as 别名]
from ctk import *
from qt import QTimer

w = ctkMatrixWidget()
w.show()

if not _ctkPythonConsoleInstance.isInteractive:
  #QTimer().singleShot(0, app(), SLOT('quit()'))
  t = QTimer()
  t.setInterval(250)
  t.connect('timeout()', app(), 'quit()')
  t.start()

# 需要导入模块: from qt import QTimer [as 别名]
# 或者: from qt.QTimer import setInterval [as 别名]
class QtReactor(posixbase.PosixReactorBase):

    def __init__(self):
        self._reads = {}
        self._writes = {}
        self._notifiers = {}
        self._timer = QTimer()
        self._timer.setSingleShot(True)
        self._timer.timeout.connect(self.iterate)

        if QCoreApplication.instance() is None:
            # Application Object has not been started yet
            self.qApp = QCoreApplication([])
            self._ownApp = True
        else:
            self.qApp = QCoreApplication.instance()
            self._ownApp = False
        self._blockApp = None
        posixbase.PosixReactorBase.__init__(self)

    def _add(self, xer, primary, type):
        """
        Private method for adding a descriptor from the event loop.

        It takes care of adding it if  new or modifying it if already added
        for another state (read -> read/write for example).
        """
        if xer not in primary:
            primary[xer] = TwistedSocketNotifier(None, self, xer, type)

    def addReader(self, reader):
        """
        Add a FileDescriptor for notification of data available to read.
        """
        self._add(reader, self._reads, QSocketNotifier.Read)

    def addWriter(self, writer):
        """
        Add a FileDescriptor for notification of data available to write.
        """
        self._add(writer, self._writes, QSocketNotifier.Write)

    def _remove(self, xer, primary):
        """
        Private method for removing a descriptor from the event loop.

        It does the inverse job of _add, and also add a check in case of the fd
        has gone away.
        """
        if xer in primary:
            notifier = primary.pop(xer)
            notifier.shutdown()

    def removeReader(self, reader):
        """
        Remove a Selectable for notification of data available to read.
        """
        self._remove(reader, self._reads)

    def removeWriter(self, writer):
        """
        Remove a Selectable for notification of data available to write.
        """
        self._remove(writer, self._writes)

    def removeAll(self):
        """
        Remove all selectables, and return a list of them.
        """
        rv = self._removeAll(self._reads, self._writes)
        return rv

    def getReaders(self):
        return self._reads.keys()

    def getWriters(self):
        return self._writes.keys()

    def callLater(self, howlong, *args, **kargs):
        rval = super(QtReactor, self).callLater(howlong, *args, **kargs)
        self.reactorInvocation()
        return rval

    def reactorInvocation(self):
        self._timer.stop()
        self._timer.setInterval(0)
        self._timer.start()

    def _iterate(self, delay=None, fromqt=False):
        """See twisted.internet.interfaces.IReactorCore.iterate.
        """
        self.runUntilCurrent()
        self.doIteration(delay, fromqt)

    iterate = _iterate

    def doIteration(self, delay=None, fromqt=False):
        'This method is called by a Qt timer or by network activity on a file descriptor'

        if not self.running and self._blockApp:
#.........这里部分代码省略.........