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.frameSlider.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred) 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) self.bgMultiVolumeSelector.connect('currentNodeChanged(vtkMRMLNode*)', self.onBackgroundInputChanged) self.playButton.connect('toggled(bool)', self.onPlayButtonToggled) self.frameSlider.connect('valueChanged(double)', self.onSliderChanged) self.timer.connect('timeout()', self.goToNext) self.popupChartButton.connect('toggled(bool)', self.onDockChartViewToggled) def onDockChartViewToggled(self, checked): if checked: self.chartPopupWindow = QDialog() self.chartPopupWindow.setWindowFlags( PythonQt.QtCore.Qt.WindowStaysOnTopHint) layout = QGridLayout() self.chartPopupWindow.setLayout(layout) layout.addWidget(self._multiVolumeIntensityChart.chartView) layout.addWidget(self.popupChartButton) self.chartPopupWindow.finished.connect(self.dockChartView) self.chartPopupWindow.resize(self.chartPopupSize) self.chartPopupWindow.move(self.chartPopupPosition) self.chartPopupWindow.show() self.popupChartButton.setText("Dock chart") self._multiVolumeIntensityChart.chartView.show() else: self.chartPopupWindow.close() def dockChartView(self): self.chartPopupSize = self.chartPopupWindow.size self.chartPopupPosition = self.chartPopupWindow.pos self.plottingFrameLayout.addWidget( self._multiVolumeIntensityChart.chartView) self.plottingFrameLayout.addWidget(self.popupChartButton) self.popupChartButton.setText("Undock chart") self.popupChartButton.disconnect('toggled(bool)', self.onDockChartViewToggled) self.popupChartButton.checked = False self.popupChartButton.connect('toggled(bool)', self.onDockChartViewToggled) def onSliderChanged(self, frameId): if self._bgMultiVolumeNode is None: return newValue = int(frameId) self.setCurrentFrameNumber(newValue) def onVCMRMLSceneChanged(self, mrmlScene): logging.debug( "qSlicerMultiVolumeExplorerSimplifiedModuleWidget:onVCMRMLSceneChanged" ) self.bgMultiVolumeSelector.setMRMLScene(slicer.mrmlScene) self.onBackgroundInputChanged() def refreshGUIForNewBackgroundImage(self): self._multiVolumeIntensityChart.reset() self.setFramesEnabled(True) if self._fgMultiVolumeNode and self._bgMultiVolumeNode: Helper.SetBgFgVolumes(self._bgMultiVolumeNode.GetID(), self._fgMultiVolumeNode.GetID()) else: Helper.SetBgVolume(self._bgMultiVolumeNode.GetID()) self.refreshFrameSlider() self._multiVolumeIntensityChart.bgMultiVolumeNode = self._bgMultiVolumeNode self.refreshObservers() def getBackgroundMultiVolumeNode(self): return self.bgMultiVolumeSelector.currentNode() def onBackgroundInputChanged(self): self._bgMultiVolumeNode = self.getBackgroundMultiVolumeNode() if self._bgMultiVolumeNode is not None: self.refreshGUIForNewBackgroundImage() else: self.setFramesEnabled(False) def onPlayButtonToggled(self, checked): if self._bgMultiVolumeNode is None: return if checked: self.timer.start() self.playButton.text = 'Stop' else: self.timer.stop() self.playButton.text = 'Play' def processEvent(self, observee, event): # logging.debug("processing event %s" % event) if self._bgMultiVolumeNode is None: return # TODO: use a timer to delay calculation and compress events if event == 'LeaveEvent': # reset all the readouts # TODO: reset the label text return if not self.sliceWidgetsPerStyle.has_key(observee): return interactor = observee.GetInteractor() self.createChart(self.sliceWidgetsPerStyle[observee], interactor.GetEventPosition()) def createChart(self, sliceWidget, position): self._multiVolumeIntensityChart.createChart(sliceWidget, position) def setCurrentFrameNumber(self, frameNumber): mvDisplayNode = self._bgMultiVolumeNode.GetDisplayNode() mvDisplayNode.SetFrameComponent(frameNumber) def setFramesEnabled(self, enabled): pass def refreshObservers(self): """ When the layout changes, drop the observers from all the old widgets and create new observers for the newly created widgets""" self.removeObservers() # get new slice nodes layoutManager = slicer.app.layoutManager() sliceNodeCount = slicer.mrmlScene.GetNumberOfNodesByClass( 'vtkMRMLSliceNode') for nodeIndex in xrange(sliceNodeCount): # find the widget for each node in scene sliceNode = slicer.mrmlScene.GetNthNodeByClass( nodeIndex, 'vtkMRMLSliceNode') sliceWidget = layoutManager.sliceWidget(sliceNode.GetLayoutName()) if sliceWidget: # add observers and keep track of tags style = sliceWidget.sliceView().interactorStyle() self.sliceWidgetsPerStyle[style] = sliceWidget events = ("MouseMoveEvent", "EnterEvent", "LeaveEvent") for event in events: tag = style.AddObserver(event, self.processEvent) self.styleObserverTags.append([style, tag]) def removeObservers(self): for observee, tag in self.styleObserverTags: observee.RemoveObserver(tag) self.styleObserverTags = [] self.sliceWidgetsPerStyle = {} def refreshFrameSlider(self): self.frameSlider.minimum = 0 if not self._bgMultiVolumeNode: self.frameSlider.maximum = 0 return nFrames = self._bgMultiVolumeNode.GetNumberOfFrames() self.frameSlider.maximum = nFrames - 1 def goToNext(self): currentElement = self.frameSlider.value currentElement += 1 if currentElement > self.frameSlider.maximum: currentElement = 0 self.frameSlider.value = currentElement
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()
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) self.bgMultiVolumeSelector.connect('currentNodeChanged(vtkMRMLNode*)', self.onBackgroundInputChanged) self.playButton.connect('toggled(bool)', self.onPlayButtonToggled) self.frameSlider.connect('valueChanged(double)', self.onSliderChanged) self.timer.connect('timeout()', self.goToNext) self.popupChartButton.connect('toggled(bool)', self.onDockChartViewToggled) def onDockChartViewToggled(self, checked): if checked: self.chartPopupWindow = QDialog() self.chartPopupWindow.setWindowFlags(PythonQt.QtCore.Qt.WindowStaysOnTopHint) layout = QGridLayout() self.chartPopupWindow.setLayout(layout) layout.addWidget(self._multiVolumeIntensityChart.chartView) layout.addWidget(self.popupChartButton) self.chartPopupWindow.finished.connect(self.dockChartView) self.chartPopupWindow.resize(self.chartPopupSize) self.chartPopupWindow.move(self.chartPopupPosition) self.chartPopupWindow.show() self.popupChartButton.setText("Dock chart") self._multiVolumeIntensityChart.chartView.show() else: self.chartPopupWindow.close() def dockChartView(self): self.chartPopupSize = self.chartPopupWindow.size self.chartPopupPosition = self.chartPopupWindow.pos self.plottingFrameLayout.addWidget(self._multiVolumeIntensityChart.chartView) self.plottingFrameLayout.addWidget(self.popupChartButton) self.popupChartButton.setText("Undock chart") self.popupChartButton.disconnect('toggled(bool)', self.onDockChartViewToggled) self.popupChartButton.checked = False self.popupChartButton.connect('toggled(bool)', self.onDockChartViewToggled) def onSliderChanged(self, frameId): if self._bgMultiVolumeNode is None: return newValue = int(frameId) self.setCurrentFrameNumber(newValue) def onVCMRMLSceneChanged(self, mrmlScene): logging.debug("qSlicerMultiVolumeExplorerSimplifiedModuleWidget:onVCMRMLSceneChanged") self.bgMultiVolumeSelector.setMRMLScene(slicer.mrmlScene) self.onBackgroundInputChanged() def refreshGUIForNewBackgroundImage(self): self._multiVolumeIntensityChart.reset() self.setFramesEnabled(True) if self._fgMultiVolumeNode and self._bgMultiVolumeNode: Helper.SetBgFgVolumes(self._bgMultiVolumeNode.GetID(), self._fgMultiVolumeNode.GetID()) else: Helper.SetBgVolume(self._bgMultiVolumeNode.GetID()) self.refreshFrameSlider() self._multiVolumeIntensityChart.bgMultiVolumeNode = self._bgMultiVolumeNode self.refreshObservers() def getBackgroundMultiVolumeNode(self): return self.bgMultiVolumeSelector.currentNode() def onBackgroundInputChanged(self): self._bgMultiVolumeNode = self.getBackgroundMultiVolumeNode() if self._bgMultiVolumeNode is not None: self.refreshGUIForNewBackgroundImage() else: self.setFramesEnabled(False) def onPlayButtonToggled(self, checked): if self._bgMultiVolumeNode is None: return if checked: self.timer.start() self.playButton.text = 'Stop' else: self.timer.stop() self.playButton.text = 'Play' def processEvent(self, observee, event): # logging.debug("processing event %s" % event) if self._bgMultiVolumeNode is None: return # TODO: use a timer to delay calculation and compress events if event == 'LeaveEvent': # reset all the readouts # TODO: reset the label text return if not self.sliceWidgetsPerStyle.has_key(observee): return interactor = observee.GetInteractor() self.createChart(self.sliceWidgetsPerStyle[observee], interactor.GetEventPosition()) def createChart(self, sliceWidget, position): self._multiVolumeIntensityChart.createChart(sliceWidget, position) def setCurrentFrameNumber(self, frameNumber): mvDisplayNode = self._bgMultiVolumeNode.GetDisplayNode() mvDisplayNode.SetFrameComponent(frameNumber) def setFramesEnabled(self, enabled): pass def refreshObservers(self): """ When the layout changes, drop the observers from all the old widgets and create new observers for the newly created widgets""" self.removeObservers() # get new slice nodes layoutManager = slicer.app.layoutManager() sliceNodeCount = slicer.mrmlScene.GetNumberOfNodesByClass('vtkMRMLSliceNode') for nodeIndex in xrange(sliceNodeCount): # find the widget for each node in scene sliceNode = slicer.mrmlScene.GetNthNodeByClass(nodeIndex, 'vtkMRMLSliceNode') sliceWidget = layoutManager.sliceWidget(sliceNode.GetLayoutName()) if sliceWidget: # add observers and keep track of tags style = sliceWidget.sliceView().interactorStyle() self.sliceWidgetsPerStyle[style] = sliceWidget events = ("MouseMoveEvent", "EnterEvent", "LeaveEvent") for event in events: tag = style.AddObserver(event, self.processEvent) self.styleObserverTags.append([style,tag]) def removeObservers(self): for observee,tag in self.styleObserverTags: observee.RemoveObserver(tag) self.styleObserverTags = [] self.sliceWidgetsPerStyle = {} def refreshFrameSlider(self): self.frameSlider.minimum = 0 if not self._bgMultiVolumeNode: self.frameSlider.maximum = 0 return nFrames = self._bgMultiVolumeNode.GetNumberOfFrames() self.frameSlider.maximum = nFrames - 1 def goToNext(self): currentElement = self.frameSlider.value currentElement += 1 if currentElement > self.frameSlider.maximum: currentElement = 0 self.frameSlider.value = currentElement
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: self._blockApp.quit() self._timer.stop() delay = max(delay or 0, 1) if not fromqt: self.qApp.processEvents(QEventLoop.AllEvents, delay * 1000) if self.timeout() is None: timeout = 0.1 elif self.timeout() == 0: timeout = 0 else: timeout = self.timeout() self._timer.setInterval(timeout * 1000) self._timer.start() def runReturn(self, installSignalHandlers=True): self.startRunning(installSignalHandlers=installSignalHandlers) self.reactorInvocation() def run(self, installSignalHandlers=True): if self._ownApp: self._blockApp = self.qApp else: self._blockApp = QEventLoop() self.runReturn() self._blockApp.exec_()
from ctk import * from qt import QTimer # Test display of a CTK widget w = ctkMatrixWidget() w.show() # Test command execution using Python manager pythonManager = _ctkPythonManagerInstance pythonManager.executeString("variableInPythonConsole=523") try: print("variableInPythonConsole was successfully set to {0}".format( variableInPythonConsole)) except: print "PythonManager.executeString failed" qt.QApplication.exit(1) if not _ctkPythonConsoleInstance.isInteractive: #QTimer().singleShot(0, app(), SLOT('quit()')) t = QTimer() t.setInterval(250) t.connect('timeout()', app(), 'quit()') t.start()