def mouseReleaseEvent(self, event, pos=None):
if pos and event.button() == QtCore.Qt.LeftButton:
#print "released", pos
if self.lassoRect():
items = self._view.scene().items(self.lassoRect(),
QtCore.Qt.ContainsItemShape)
items = filter(lambda i: not (i.parentItem()), items)
#items = map(lambda i: i.model, items)
if self.addMode(event.modifiers()):
self._selection |= items
elif self.subtractMode(event.modifiers()):
self._selection -= items
else:
self._selection = Selection(items)
self._toBeSelected = None
self.removeLasso()
self.updatePreSelected()
else:
if not self._toBeSelected or self._toBeSelected.pos() != pos:
self._toBeSelected = self.findItems(pos, event.modifiers())
item = self.currentItem()
if not self.addMode(
event.modifiers()) and not self.subtractMode(
event.modifiers()):
self._selection = None
self._selection = Selection()
if item:
if self.subtractMode(event.modifiers()):
self._selection.remove(item)
else:
self._selection.add(item)
self.nextItem()
item = self.currentItem()
self.updatePreSelected()
def __init__(self, view, transient=False):
self._view = view
self._optionPanel = None
self._actions = set()
self._mousePressedPos = None
self._mousePressedButton = QtCore.Qt.NoButton
self.installActions()
self._lasso = None
self._transient = transient
self._optionPanel = SelectToolOptions()
self._selection = Selection()
self._toBeSelected = None
self._preSelected = None
self._modifiers = None
self._pos = None
self._timer = QtCore.QTimer()
self._timer.setSingleShot(True)
self._timer.setInterval(50)
self._view.connect(self._timer, QtCore.SIGNAL("timeout()"),
self.updatePreSelected)
