def clear(self):
for c in self:
self.libraries.l.removeWidget(c)
c.setParent(None)
c.restriction_changed.disconnect()
sip.delete(c)
self._items = []
def closed(self, d):
try:
d.closed.disconnect(self.closed)
self.memory.remove(d)
except ValueError:
pass
else:
sip.delete(d)
del d
def delete_done(self, spine_removals, other_removals):
removals = []
for i, (name, remove) in enumerate(spine_removals):
if remove:
removals.append(self.categories['text'].child(i))
for category, parent in iteritems(self.categories):
if category != 'text':
for i in range(parent.childCount()):
child = parent.child(i)
if str(child.data(0, NAME_ROLE) or '') in other_removals:
removals.append(child)
# The sorting by index is necessary otherwise Qt crashes with recursive
# repaint detected message
for c in sorted(removals, key=lambda x:x.parent().indexOfChild(x), reverse=True):
sip.delete(c)
# A bug in the raster paint engine on linux causes a crash if the scrollbar
# is at the bottom and the delete happens to cause the scrollbar to
# update
b = self.verticalScrollBar()
if b.value() == b.maximum():
b.setValue(b.minimum())
QTimer.singleShot(0, lambda : b.setValue(b.maximum()))
def safe_delete(x):
if not sip.isdeleted(x):
sip.delete(x)
