def OnExtractFiber(self):
if self.classList.currentIndex == 0 or self.classList.currentIndex == 0:
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("You must choose the type and the class you want to extract from the current fiber")
msg.exec_()
elif self.disROI.isChecked():
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("ROI is disable, please choose Positive or Negative region to extract")
msg.exec_()
else:
nameNode = self.fiberList.itemText(self.fiberList.currentIndex)
self.ROISelector.FiberBundleFromSelection.addNode()
nodeID = self.ROISelector.FiberBundleFromSelection.currentNode().GetID()
if self.classList.currentIndex == 1:
self.nodeNegDict[nameNode].append(nodeID)
numExtract = len(self.nodeNegDict[nameNode])
self.ROISelector.FiberBundleFromSelection.currentNode().SetName(nameNode+"_negative_extracted_"+str(numExtract))
elif self.classList.currentIndex == 2:
self.nodePosDict[nameNode].append(nodeID)
numExtract = len(self.nodePosDict[nameNode])
self.ROISelector.FiberBundleFromSelection.currentNode().SetName(nameNode+"_positive_extracted_"+str(numExtract))
logic = TraficBiLogic()
logic.runExtractFiber(self.ROISelector, self.posROI.isChecked(), self.negROI.isChecked())
return
def OnExtractFiber(self):
if self.fiberList.itemText(self.fiberList.currentIndex) == "Select a type of fiber":
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("You must choose which type of fiber you want to extract from the current fiber")
msg.exec_()
elif self.disROI.isChecked():
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("ROI is disable, please choose Positive or Negative region to extract")
msg.exec_()
else:
nameNode = self.fiberList.itemText(self.fiberList.currentIndex)
# Process To modify the name
# If not already exist
# self.reviewsFormLayout.addRow(reviewNode)
# self.ROISelector.setAnnotationMRMLNodeForFiberSelection(newNode)
# print self.ROISelector.fiberBundleNode()
self.ROISelector.FiberBundleFromSelection.addNode()
nodeID = self.ROISelector.FiberBundleFromSelection.currentNode().GetID()
self.nodeDict[nameNode].append(nodeID)
numExtract = len(self.nodeDict[nameNode])
self.ROISelector.FiberBundleFromSelection.currentNode().SetName(nameNode+"_extracted_"+str(numExtract))
logic = TraficMultiLogic()
logic.runExtractFiber(self.ROISelector, self.posROI.isChecked(), self.negROI.isChecked())
return
def saveStagesAsPreset(self, stages):
from PythonQt import BoolResult
ok = BoolResult()
presetName = qt.QInputDialog().getText(qt.QWidget(), 'Save Preset',
'Preset name: ',
qt.QLineEdit.Normal,
'my_preset', ok)
if not ok:
return
if presetName in self.getPresetNames():
qt.QMessageBox().warning(
qt.QWidget(), 'Warning',
presetName + ' already exists. Set another name.')
self.saveStagesAsPreset(stages)
return
outFilePath = os.path.join(self.presetPath, presetName + '.json')
saveSettings = self.getPresetParametersByName()
saveSettings['stages'] = self.removeNodesFromStages(stages)
try:
with open(outFilePath, 'w') as outfile:
json.dump(saveSettings, outfile)
except:
qt.QMessageBox().warning(qt.QWidget(), 'Warning',
'Unable to write into ' + outFilePath)
return
print('Saved preset to ' + outFilePath)
return presetName
def deviceError(self, title, message, error_type="warning"):
deviceMBox = qt.QMessageBox()
if error_type == "warning":
deviceMBox.setIcon(qt.QMessageBox().Warning)
elif error_type == "critical":
deviceMBox.setIcon(qt.QMessageBox().Critical)
deviceMBox.setWindowTitle(title)
deviceMBox.setText(message)
deviceMBox.exec()
def CheckBrowseDirectory(self, dir, name):
if dir.text=="":
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("Please choose "+ str(name) + "")
msg.exec_()
return False
elif not os.path.isdir(dir.text):
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("Unknown or non valid directory. Please correct the "+ str(name))
msg.exec_()
return False
return True
def CheckInputClass(self):
if not os.path.isfile(self.inputClass.text):
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("File doesn't exist. Please correct the input file")
msg.exec_()
return False
elif self.inputClass.text.rfind(".vtk") == -1 and self.inputClass.text.rfind(".vtp") == -1:
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("Invalid File Format. Must be a .vtk or .vtp file. Please correct the input file")
msg.exec_()
return False
return True
def createExtensionModule(self):
if (self.extensionLocation is None):
# Action shouldn't be enabled if no extension is selected, but guard
# against that just in case...
return
dlg = CreateComponentDialog("module", self.parent.window())
dlg.setTemplates(self.templateManager.templates("modules"),
default="scripted")
dlg.showDestination = False
while dlg.exec_() == qt.QDialog.Accepted:
name = dlg.componentName
try:
self.templateManager.copyTemplate(self.extensionLocation, "modules",
dlg.componentType, name)
except:
md = qt.QMessageBox(self.parent.window())
md.icon = qt.QMessageBox.Critical
md.text = "An error occurred while trying to create the module."
md.detailedText = traceback.format_exc()
md.standardButtons = qt.QMessageBox.Retry | qt.QMessageBox.Close
if md.exec_() != qt.QMessageBox.Retry:
return
continue
try:
self.extensionProject.addModule(name)
self.extensionProject.save()
except:
md = qt.QMessageBox(self.parent.window())
md.icon = qt.QMessageBox.Critical
md.text = "An error occurred while adding the module to the extension."
md.informativeText = "The module has been created, but the extension" \
" CMakeLists.txt could not be updated. In order" \
" to include the module in the extension build," \
" you will need to update the extension" \
" CMakeLists.txt by hand."
md.detailedText = traceback.format_exc()
md.standardButtons = qt.QMessageBox.Close
md.exec_()
self.loadModules(os.path.join(self.extensionLocation, name), depth=0)
return
def onLoadTable(self):
if hasattr(self, 'fileTable'):
slicer.mrmlScene.RemoveNode(self.fileTable)
with open(self.tableSelector.currentPath, "r") as file:
paths = file.read().splitlines()
if len(paths) >= 4:
self.tablepath = paths[0]
self.fileTable = slicer.util.loadNodeFromFile(
self.tablepath, 'TableFile')
logic = CleftLandmarkFlowLogic()
logic.checkForStatusColumn(
self.fileTable,
paths[0]) # if not present adds and saves to file
with open(paths[1], "r") as file:
self.landmarkNames = np.array(file.read().splitlines())
self.imagedir = paths[2]
self.landmarkdir = paths[3]
self.importVolumeButton.enabled = True
self.assignLayoutDescription(self.fileTable)
# logic.hideCompletedSamples(self.fileTable)
self.fileTable.SetLocked(True)
self.fileTable.GetTable().Modified() # update table view
else:
msg = qt.QMessageBox()
msg.setIcon(qt.QMessageBox.Warning)
msg.setText("Check the contents of the project file.")
msg.setWindowTitle("Project file error")
msg.setStandardButtons(qt.QMessageBox.Ok)
msg.exec_()
self.importVolumeButton.enabled = False
def onLeadDBSPathChanged(self):
newDir = self.leadDBSPathButton.directory
LeadDBSPath().setValue(newDir)
if not os.path.isfile(os.path.join(newDir, "lead.m")):
qt.QMessageBox().warning(
qt.QWidget(), "Error",
"Invalid leaddbs path. Select leaddbs root install directory")
def messageBox(text, parent=None, **kwargs):
import qt
mbox = qt.QMessageBox(parent if parent else mainWindow())
mbox.text = text
for key, value in kwargs.iteritems():
if hasattr(mbox, key):
setattr(mbox, key, value)
return mbox.exec_()
def CheckFiberListClass(self):
if self.fiberListClass.currentIndex == 0:
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("Please select a type of fiber to classify")
msg.exec_()
return False
return True
def showMessageBox(self, severity, message):
# INFO severity is default, INFO is not appended to the message
if severity == 'WARNING':
message = 'Warning: ' + message
elif severity == 'ERROR':
message = 'Error: ' + message
self.messageBox = qt.QMessageBox()
self.messageBox.setText(message)
self.messageBox.setModal(False)
self.messageBox.show()
def checkdFPath(self):
if self.dFPath.text == "":
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("Please choose a displacement field filename")
msg.exec_()
elif not os.path.isfile(self.dFPath.text):
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("File doesn't exist. Please correct the displacement field filename")
msg.exec_()
return False
elif self.dFPath.text.rfind(".nrrd") == -1:
msg = qt.QMessageBox()
msg.setIcon(3)
msg.setText("Invalid File Format. Must be a .nrrd file. Please correct the displacement field filename")
msg.exec_()
return False
return True
def __init__(self, parent, helpString=""):
self.helpString = helpString
self.message = qt.QMessageBox()
self.message.objectName = 'EditorHelpMessageBox'
self.message.setWindowTitle("Editor Help")
self.button = qt.QPushButton("?", parent)
self.button.objectName = 'EditorHelpButton'
self.button.setMaximumWidth(15)
self.button.setToolTip("Bring up a help window")
parent.layout().addWidget(self.button)
self.button.connect('clicked()', self.showHelp)
def getValidAtlases(self):
validAtlases = glob.glob(
os.path.join(self.getAtlasesPath(), '*', 'atlas_index.mat'))
if not validAtlases:
qt.QMessageBox().warning(qt.QWidget(), "",
"Invalid Lead-DBS path in preferences.")
return []
validAtlases = [
os.path.basename(os.path.dirname(a)) for a in validAtlases
]
validAtlases.sort()
return validAtlases
def onProcessingStatusUpdate(self, caller, event):
if (caller.GetStatus() & caller.Cancelled):
self.ui.runRegistrationButton.text = "Run Registration"
self.logic._cliNode.RemoveObserver(self._cliObserver)
elif (caller.GetStatus() & caller.Completed):
if (caller.GetStatus() & caller.ErrorsMask):
qt.QMessageBox().warning(qt.QWidget(), 'Error',
'ANTs Failed. See CLI output.')
self.ui.runRegistrationButton.text = "Run Registration"
self.logic._cliNode.RemoveObserver(self._cliObserver)
else:
self.ui.runRegistrationButton.text = "Cancel"
def onCloseCaseButtonClicked(self):
if not self.session.data.completed:
dialog = qt.QMessageBox(
qt.QMessageBox.Question, "SliceTracker",
"Do you want to mark this case as completed?",
qt.QMessageBox.Yes | qt.QMessageBox.No | qt.QMessageBox.Cancel,
slicer.util.mainWindow(), qt.Qt.WindowStaysOnTopHint).exec_()
if dialog == qt.QMessageBox.Yes:
self.session.complete()
elif dialog == qt.QMessageBox.Cancel:
return
if self.session.isRunning():
self.session.close(save=False)
def createExtension(self):
dlg = CreateComponentDialog("extension", self.parent.window())
dlg.setTemplates(self.templateManager.templates("extensions"))
while dlg.exec_() == qt.QDialog.Accepted:
# If the selected destination is in a repository then use the root of that repository
# as destination
try:
repo = SlicerWizard.Utilities.getRepo(dlg.destination)
createInSubdirectory = True
requireEmptyDirectory = True
if repo is None:
destination = os.path.join(dlg.destination, dlg.componentName)
if os.path.exists(destination):
raise IOError("create extension: refusing to overwrite"
" existing directory '%s'" % destination)
createInSubdirectory = False
else:
destination = SlicerWizard.Utilities.localRoot(repo)
cmakeFile = os.path.join(destination, "CMakeLists.txt")
createInSubdirectory = False # create the files in the destination directory
requireEmptyDirectory = False # we only check if no CMakeLists.txt file exists
if os.path.exists(cmakeFile):
raise IOError("create extension: refusing to overwrite"
" directory containing CMakeLists.txt file at '%s'" % dlg.destination)
path = self.templateManager.copyTemplate(
destination, "extensions",
dlg.componentType, dlg.componentName,
createInSubdirectory, requireEmptyDirectory)
except:
md = qt.QMessageBox(self.parent.window())
md.icon = qt.QMessageBox.Critical
md.text = "An error occurred while trying to create the extension."
md.detailedText = traceback.format_exc()
md.standardButtons = qt.QMessageBox.Retry | qt.QMessageBox.Close
if md.exec_() != qt.QMessageBox.Retry:
return
continue
if self.selectExtension(path):
self.editExtensionMetadata()
return
def onImportMesh(self):
logic = CleftLandmarkFlowLogic()
self.objpath, mtlpath, texdir = logic.getActiveCell(self.fileTable)
if bool(self.objpath):
print(self.objpath + " " + mtlpath + " " + texdir)
self.meshNode, self.textureNode = logic.applyMultiTexture(
os.path.join(self.imagedir, self.objpath),
os.path.join(self.imagedir, mtlpath),
os.path.join(self.imagedir, texdir))
if bool(self.meshNode):
# self.startSegmentationButton.enabled = True
self.activeRow = logic.getActiveCellRow()
# self.updateStatus(self.activeRow, 'Processing') # TODO uncomment this
# TODO Texture
# fiducials
fiducialName = os.path.splitext(self.objpath)[0]
fiducialOutput = os.path.join(self.landmarkdir,
fiducialName + '.fcsv')
print(fiducialOutput)
try:
print("Loading fiducial")
a = slicer.util.loadMarkupsFiducialList(fiducialOutput)
self.fiducialNode = a[1]
except:
print("failed loading fiducial")
self.fiducialNode = slicer.mrmlScene.AddNewNodeByClass(
"vtkMRMLMarkupsFiducialNode", 'F')
# print(self.fiducialNode)
# print(self.fiducialNode.GetNumberOfControlPoints())
# slicer.util.selectModule('Markups')
self.enableButtons()
else:
msg = qt.QMessageBox()
msg.setIcon(qt.QMessageBox.Warning)
msg.setText("Image \"" + self.objpath +
"\" is not in folder \"" + self.imagedir + ".")
msg.setWindowTitle("Image cannot be loaded")
msg.setStandardButtons(qt.QMessageBox.Ok)
msg.exec_()
logging.debug("Error loading associated files.")
else:
logging.debug("No valid table cell selected.")
def __init__(self, parent=None):
ScriptedLoadableModuleWidget.__init__(self, parent)
self.logic = SlicerCaseManagerLogic()
self.moduleName = "slicerCaseManager"
#self.modulePath = os.path.dirname(slicer.util.modulePath(self.moduleName))
self._caseRootDir = self.getSetting('CasesRootLocation')
self._currentCaseDirectory = None
self._caseDirectoryList = {}
self.caseDirectoryList = {"DICOM/Planning", "Results"}
self.warningBox = qt.QMessageBox()
self.CloseCaseEvent = vtk.vtkCommand.UserEvent + 201
self.LoadCaseCompletedEvent = vtk.vtkCommand.UserEvent + 202
self.StartCaseImportEvent = vtk.vtkCommand.UserEvent + 203
self.CreatedNewCaseEvent = vtk.vtkCommand.UserEvent + 204
self.setup()
def updateParameterNodeFromGUI(self, caller=None, event=None):
"""
This method is called when the user makes any change in the GUI.
The changes are saved into the parameter node (so that they are restored when the scene is saved and loaded).
"""
if self._parameterNode is None or self._updatingGUIFromParameterNode:
return
currentInputNode = self.ui.inputSelector.currentNode()
if isinstance(currentInputNode, slicer.vtkMRMLTransformNode):
if not (isinstance(currentInputNode.GetTransformFromParent(),
slicer.vtkOrientedGridTransform)
or isinstance(currentInputNode.GetTransformToParent(),
slicer.vtkOrientedGridTransform)):
qt.QMessageBox().warning(
qt.QWidget(), "",
"Select a Transform Node containing a Grid Transform")
return
wasModified = self._parameterNode.StartModify(
) # Modify all properties in a single batch
self._parameterNode.SetNodeReferenceID(
"InputNode", self.ui.inputSelector.currentNodeID)
self._parameterNode.SetNodeReferenceID(
"SourceFiducial", self.ui.sourceFiducialsComboBox.currentNodeID)
self._parameterNode.SetNodeReferenceID(
"TargetFiducial", self.ui.targetFiducialsComboBox.currentNodeID)
self._parameterNode.SetNodeReferenceID(
"OutputGridTransform", self.ui.outputSelector.currentNodeID)
self._parameterNode.SetParameter(
"DrawMode",
next(filter(lambda a: a.checked,
self.ui.drawModeMenu.actions())).text)
self._parameterNode.SetParameter("Radius",
"%.2f" % self.ui.radiusSlider.value)
self._parameterNode.SetParameter("Stiffness",
str(self.ui.stiffnessSpinBox.value))
# spacing
if self.ui.spacingSameAsInputCheckBox.checked:
size, origin, spacing = GridNodeHelper.getGridDefinition(
currentInputNode)
else:
spacing = [self.ui.spacingSpinBox.value]
self._parameterNode.SetParameter("Spacing", str(spacing[0]))
self._parameterNode.EndModify(wasModified)
def updateStimulationTransform(self):
if not self.logic.VTASource:
return
# get current active stim
N = next(
filter(
lambda n: getattr(self.ui, 'METoolButton_' + str(n)).actions()[
1].checked, range(9)), None)
if N is None or N not in self.logic.trajectories.keys():
self.ui.stimulationActiveCheckBox.checked = False
qt.QMessageBox().warning(qt.QWidget(), '',
'Set a Stimulation Source')
return
# set transform
self.logic.VTASource.SetAndObserveTransformNodeID(
self.logic.trajectories[N].translationTransform.GetID())
def killOtherListeners(self, osName, pid=None):
msgBox = qt.QMessageBox()
msgBox.setText(
'There are other DICOM listeners running.\n Do you want to end them?'
)
msgBox.setStandardButtons(qt.QMessageBox.Yes | qt.QMessageBox.No)
val = msgBox.exec_()
if (val == qt.QMessageBox.Yes):
if osName == 'nt':
os.popen('taskkill /f /im storescp.exe')
elif osName == 'posix':
import signal
os.kill(pid, signal.SIGKILL)
return True
else:
return False
def queryUserApproveSubject(subjectPath):
msgBox = qt.QMessageBox()
msgBox.setText('No corrections made')
msgBox.setInformativeText('Save subject as approved?')
msgBox.setStandardButtons(qt.QMessageBox().Save | qt.QMessageBox().Discard | qt.QMessageBox().Cancel)
ret = msgBox.exec_()
if ret == qt.QMessageBox().Cancel:
return False
if ret == qt.QMessageBox().Save:
saveApprovedData(subjectPath)
return True
def onExportLandmarks(self):
if hasattr(self, 'fiducialNode'):
for i in range(0, self.fiducialNode.GetNumberOfControlPoints()):
self.fiducialNode.SetNthFiducialLabel(i, self.landmarkNames[i])
fiducialName = os.path.splitext(self.objpath)[0]
fiducialOutput = os.path.join(self.landmarkdir,
fiducialName + '.fcsv')
if slicer.util.saveNode(self.fiducialNode, fiducialOutput):
self.updateTableAndGUI()
else:
msg = qt.QMessageBox()
msg.setIcon(qt.QMessageBox.Warning)
msg.setText("Cannot save the landmark file.")
msg.setWindowTitle("Landmark file cannot be saved")
msg.setStandardButtons(qt.QMessageBox.Ok)
# msg.buttonClicked.connect(msgbtn)
msg.exec_()
def __init__(self, atlasPath):
try:
import h5py
except:
slicer.util.pip_install('h5py')
import h5py
with h5py.File(atlasPath, 'r') as atlasFile:
names = self.readNames(atlasFile)
colors = self.readColors(atlasFile)
types = self.readTypes(atlasFile)
showIndex = self.readShowIndex(atlasFile)
pixdimTypes = self.readPixdimType(atlasFile)
self.structures = []
for i, pixdimType in enumerate(pixdimTypes):
if pixdimType == 'numeric':
structure = ModelStructure()
elif pixdimType == 'fibers':
structure = FibersStructure()
elif pixdimType == 'discfibers':
structure = DiscFibersStructure()
if isinstance(structure, FibersStructure) and not hasattr(
slicer.modules, 'tractographydisplay'):
qt.QMessageBox().warning(
qt.QWidget(), "Error",
"Install SlicerDMRI Extension to load fiber atlases")
continue
structure.atlasPath = atlasPath
structure.index = i
structure.name = names[i]
structure.color = colors[i]
structure.type = types[i]
structure.visibility = i in showIndex
self.structures.append(structure)
def onAddButton(self):
leadDBSPath = slicer.util.settingsValue(
"NetstimPreferences/leadDBSPath", "", converter=str)
if leadDBSPath == "":
qt.QMessageBox().warning(
qt.QWidget(), "", "Add Lead-DBS path to Slicer preferences")
return
validAtlasesNames = ImportAtlas.ImportAtlasLogic().getValidAtlases()
if not validAtlasesNames:
return
result = BoolResult()
atlasName = qt.QInputDialog.getItem(qt.QWidget(), 'Select Atlas', '',
validAtlasesNames, 0, 0, result)
if result:
qt.QApplication.setOverrideCursor(qt.Qt.WaitCursor)
qt.QApplication.processEvents()
try:
ImportAtlas.ImportAtlasLogic().readAtlas(
os.path.join(
ImportAtlas.ImportAtlasLogic().getAtlasesPath(),
atlasName, 'atlas_index.mat'))
finally:
qt.QApplication.restoreOverrideCursor()
self.updateTable()
def onStartStopDicomPeer(self, flag):
if flag:
import os
self.startStopDicomPeerButton.setEnabled(False)
dicomFilesDirectory = slicer.app.temporaryPath
configFilePath = dicomFilesDirectory + '/Dcmtk-db/dcmqrscp.cfg'
processCurrentPath = dicomFilesDirectory + '/Dcmtk-db/'
msgBox = qt.QMessageBox()
msgBox.setText(
'Do you want to choose local DCMTK database folder?')
msgBox.setStandardButtons(qt.QMessageBox.Yes | qt.QMessageBox.No)
val = msgBox.exec_()
if (val == qt.QMessageBox.Yes):
print 'Yes'
dicomFilesDirectory = qt.QFileDialog.getExistingDirectory(
None, 'Select DCMTK database folder')
configFilePath = dicomFilesDirectory + '/dcmqrscp.cfg'
processCurrentPath = dicomFilesDirectory
else:
downloads = (
('http://slicer.kitware.com/midas3/download?items=18822',
'Dcmtk-db.zip'), )
print 'Downloading'
import urllib
for url, name in downloads:
filePath = slicer.app.temporaryPath + '/' + name
if not os.path.exists(filePath) or os.stat(
filePath).st_size == 0:
print 'Requesting download %s from %s...\n' % (name,
url)
urllib.urlretrieve(url, filePath)
print 'Finished with download'
print 'Unzipping'
qt.QDir().mkpath(dicomFilesDirectory)
slicer.app.applicationLogic().Unzip(filePath,
dicomFilesDirectory)
import subprocess
dcmqrscpExeOptions = (
'/bin',
'/../CTK-build/CMakeExternals/Install/bin',
'/../DCMTK-install/bin',
'/../DCMTK-build/bin',
)
dcmqrscpExePath = None
dcmqrscpExeName = '/dcmqrscp'
if slicer.app.os == 'win':
dcmqrscpExeName = dcmqrscpExeName + '.exe'
for path in dcmqrscpExeOptions:
testPath = slicer.app.slicerHome + path + dcmqrscpExeName
if os.path.exists(testPath):
dcmqrscpExePath = testPath
break
if not dcmqrscpExePath:
raise (UserWarning("Could not find dcmqrscp executable"))
args = (dcmqrscpExePath, '-c', configFilePath)
print 'Start DICOM peer'
self.popen = subprocess.Popen(args,
stdout=subprocess.PIPE,
cwd=processCurrentPath)
self.startStopDicomPeerButton.setEnabled(True)
else:
print 'Stop DICOM peer'
self.popen.kill()
def display_error(message):
mb = qt.QMessageBox()
mb.setText(message)
mb.setStandardButtons(mb.Ok)
mb.setDefaultButton(mb.Ok)
mb.exec_()
def confirmOrSaveDialog(message, title='mpReview'):
box = qt.QMessageBox(qt.QMessageBox.Question, title, message)
box.addButton("Exit, discard changes", qt.QMessageBox.AcceptRole)
box.addButton("Save changes", qt.QMessageBox.ActionRole)
box.addButton("Cancel", qt.QMessageBox.RejectRole)
return box.exec_()
