def _createWidgets(self, layout):
"""
"""
widgetStart = self._dataTypeHandler.getInputWidget(self)
widgetEnd = self._dataTypeHandler.getInputWidget(self)
toLabel = QtGui.QLabel("to", self)
toLabel.setSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
layout.addWidget(widgetStart)
layout.addWidget(toLabel)
layout.addWidget(widgetEnd)
return [widgetStart, widgetEnd]
def startImageCycling(self, index):
"""
Start frame cycling on a cell at <index>
:parameters:
index : QtCore.QModelIndex
the model index to start frame cycling on
"""
if self.__imageCyclingEnabled and index.isValid(
) and index != self.__cycleIndex:
# stop cycling on old index
self.stopImageCycling()
newRect = self._thumbnailRect(index)
if newRect.isValid():
filename = str(index.data())
if not common.imageFormatIsAnimatable(
filename) or not os.path.isfile(filename):
return
scaledImage = index.data(role=self.ROLE_SCALED_IMAGE)
# On OSX 10.9 PyQt 4.10 replaces null QImages with QPyNullVariants when retreiving them from a model
if scaledImage is None or not isinstance(
scaledImage, QtGui.QImage) or scaledImage.isNull():
return
# make the index widget ( QLabel displaying a QMovie )
movieLabel = QtGui.QLabel()
movie = QtGui.QMovie(filename, parent=movieLabel)
movie.setCacheMode(QtGui.QMovie.CacheAll)
# QMovie bug?, jumpToNextFrame() will only return False for static images after it has been called more than once
movie.jumpToNextFrame()
# if there is no frame 1, then it is a static image, so abort.
# this must be done after it has been set and started playing
# or the QMovie has no frame attributes
if movie.jumpToNextFrame() is False:
self.stopImageCycling()
return
# movieLabel.setFrameStyle( QtGui.QFrame.Box )
movieLabel.setSizePolicy(QtGui.QSizePolicy.Fixed,
QtGui.QSizePolicy.Fixed)
newSize = scaledImage.size()
movie.setScaledSize(newSize)
movieLabel.setFixedSize(newSize)
movieLabel.setMovie(movie)
# start playing
movie.start()
self.__cycleIndex = QtCore.QPersistentModelIndex(index)
# set the new index widget
self._view.setIndexWidget(index, movieLabel)
# move to center of cell
movieLabel.move(
movieLabel.pos().x() + ((newRect.width() / 2) -
(newSize.width() / 2)),
movieLabel.pos().y())
def __init__(self, parent=None):
super(ResolutionHandler.ResolutionInputWidget,
self).__init__(parent)
intValidator = QtGui.QIntValidator(self)
intValidator.setBottom(0)
self.width = QtGui.QLineEdit(self)
self.width.setFrame(False)
self.width.setValidator(intValidator)
self.height = QtGui.QLineEdit(self)
self.height.setValidator(intValidator)
self.height.setFrame(False)
layout = QtGui.QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
layout.addWidget(self.width)
layout.addWidget(QtGui.QLabel("x", self))
layout.addWidget(self.height)
self.setLayout(layout)
def getInputWidget(cls, parentWidget):
widget = QtGui.QLabel(parentWidget)
return widget