def dropMimeData(self, data, action, row, column, parent): # pylint: disable=R0913
"""See QAbstractItemModel documentation"""
if parent.isValid() or \
( row == -1 and column == -1 ) or \
action != Qt.MoveAction or \
not data or \
not data.hasFormat(self.mimeTypes()[0]):
return False
fromRow = data.data(self.mimeTypes()[0]).toInt()[0]
if row >= len(self._workspace.sortedDocuments):
row -= 1
elif fromRow < row:
row -= 1
newDocuments = copy.copy(self._workspace.sortedDocuments)
item = newDocuments.pop(fromRow)
# if row > fromRow:
# row -= 1
newDocuments.insert(row, item)
self.rebuildMapping(self._workspace.sortedDocuments, newDocuments)
self._manuallySorted = True
QObject.parent(self).tvFiles.setCurrentIndex(self.documentIndex(item))
return True
def dropMimeData(self, data, action, row, column, parent): # pylint: disable=R0913
"""See QAbstractItemModel documentation"""
if parent.isValid() or \
( row == -1 and column == -1 ) or \
action != Qt.MoveAction or \
not data or \
not data.hasFormat(self.mimeTypes()[0]):
return False
fromRow = data.data(self.mimeTypes()[0]).toInt()[0]
if row >= len(self._workspace.sortedDocuments):
row -= 1
elif fromRow < row:
row -= 1
newDocuments = copy.copy(self._workspace.sortedDocuments)
item = newDocuments.pop(fromRow)
# if row > fromRow:
# row -= 1
newDocuments.insert(row, item)
self.rebuildMapping(self._workspace.sortedDocuments, newDocuments)
self._manuallySorted = True
QObject.parent(self).tvFiles.setCurrentIndex(self.documentIndex(item))
return True
def sortDocuments(self, openedDocument=None):
"""Sort documents list according to current sort mode"""
sortedDocuments = self._workspace.sortedDocuments
if self._MRU:
# Newly-opened documents aren't yet the currentDocument, so we must
# use that if supplied.
cd = openedDocument or self._workspace.currentDocument()
# When the last document is closed, it's been removed from
# sortedDocuments, but self._workspace.currentDocument() hasn't been
# updated yet. Avoid this case.
if cd in sortedDocuments:
# Move this document to the beginning of the list.
numericIndex = sortedDocuments.index(cd)
sortedDocuments.insert(0, sortedDocuments.pop(numericIndex))
elif not self._manuallySorted:
sortedDocuments = sorted(sortedDocuments,
key=lambda d: d.filePath() or '')
self.rebuildMapping(sortedDocuments, sortedDocuments)
# Scroll the view. In MRU mode, correct the selected index, since
# rebuildMapping will corrupt it. If a document was just opened, avoid
# this since its Qutepart widget hasn't been added to the list of opened
# widgets, causing errors such as "QStackedWidget::setCurrentWidget:
# widget 0x4b48be8 not contained in stack" if the code below runs.
if self._MRU and not openedDocument:
QObject.parent(self).tvFiles.setCurrentIndex(
self.createIndex(0, 0, cd))
selected = QObject.parent(
self).tvFiles.selectionModel().selectedIndexes()
if selected:
QObject.parent(self).tvFiles.scrollTo(selected[0])
def sortDocuments(self, openedDocument=None):
"""Sort documents list according to current sort mode"""
sortedDocuments = self._workspace.sortedDocuments
if self._MRU:
# Newly-opened documents aren't yet the currentDocument, so we must
# use that if supplied.
cd = openedDocument or self._workspace.currentDocument()
# When the last document is closed, it's been removed from
# sortedDocuments, but self._workspace.currentDocument() hasn't been
# updated yet. Avoid this case.
if cd in sortedDocuments:
# Move this document to the beginning of the list.
numericIndex = sortedDocuments.index(cd)
sortedDocuments.insert(0, sortedDocuments.pop(numericIndex))
elif not self._manuallySorted:
sortedDocuments = sorted(sortedDocuments,
key=lambda d: d.filePath() or '')
self.rebuildMapping(sortedDocuments, sortedDocuments)
# Scroll the view. In MRU mode, correct the selected index, since
# rebuildMapping will corrupt it. If a document was just opened, avoid
# this since its Qutepart widget hasn't been added to the list of opened
# widgets, causing errors such as "QStackedWidget::setCurrentWidget:
# widget 0x4b48be8 not contained in stack" if the code below runs.
if self._MRU and not openedDocument:
QObject.parent(self).tvFiles.setCurrentIndex(self.createIndex(0, 0, cd))
selected = QObject.parent(self).tvFiles.selectionModel().selectedIndexes()
if selected:
QObject.parent(self).tvFiles.scrollTo(selected[0])
def sortDocuments(self):
"""Sort documents list according to current sort mode"""
sortedDocuments = self._workspace.sortedDocuments
if not self._manuallySorted:
sortedDocuments = sorted(sortedDocuments,
key=lambda d: d.filePath() or '')
self.rebuildMapping(self._workspace.sortedDocuments, sortedDocuments)
# scroll the view
selected = QObject.parent(self).tvFiles.selectionModel().selectedIndexes()
if selected:
QObject.parent(self).tvFiles.scrollTo(selected[0])
def sortDocuments(self):
"""Sort documents list according to current sort mode"""
sortedDocuments = self._workspace.sortedDocuments
if not self._manuallySorted:
sortedDocuments = sorted(sortedDocuments,
key=lambda d: d.filePath() or '')
self.rebuildMapping(self._workspace.sortedDocuments, sortedDocuments)
# scroll the view
selected = QObject.parent(
self).tvFiles.selectionModel().selectedIndexes()
if selected:
QObject.parent(self).tvFiles.scrollTo(selected[0])
def _onDocumentClosed(self, document):
"""Document has been closed. Unhandle it
"""
index = self._workspace.sortedDocuments.index(document)
if index == -1:
return
# scroll the view
QObject.parent(self).startModifyModel()
self.beginRemoveRows(QModelIndex(), index, index)
self._workspace.sortedDocuments.remove(document)
self.endRemoveRows()
QObject.parent(self).finishModifyModel()
def _onDocumentClosed(self, document):
"""Document has been closed. Unhandle it
"""
index = self._workspace.sortedDocuments.index(document)
if index == -1:
return
# scroll the view
QObject.parent(self).startModifyModel()
self.beginRemoveRows(QModelIndex(), index, index)
self._workspace.sortedDocuments.remove(document)
self.endRemoveRows()
QObject.parent(self).finishModifyModel()
def setModel(self, model):
"""
Reimplemented.
Parameters
----------
model : QAbstractItemModel
"""
if model is self.__completerModel:
return
if self.__completerModel is not None:
self.__completerModel.dataChanged.disconnect(
self.__initDynamicModel)
self.__completerModel.rowsInserted.disconnect(
self.__initDynamicModel)
self.__completerModel.rowsRemoved.disconnect(
self.__initDynamicModel)
if QObject.parent(self.__completerModel) is self:
self.__completerModel.deleteLater()
self.__completerModel = None
self.__completerModel = model
if self.__completerModel is not None:
self.__completerModel.dataChanged.connect(self.__initDynamicModel)
self.__completerModel.rowsInserted.connect(self.__initDynamicModel)
self.__completerModel.rowsRemoved.connect(self.__initDynamicModel)
self.__initDynamicModel()
def resolve_item_up_changed(self, item: QObject) -> None:
self.update_item_changed(item)
parent = item.parent()
if not parent or not parent.isCheckable():
return
parent.setCheckState(Qt.PartiallyChecked)
self.update_item_changed(parent)
self.item_check_parent(parent)
def resolve_item_up_changed(self, item: QObject) -> None:
self.update_item_changed(item)
parent = item.parent()
if not parent or not parent.isCheckable():
return
parent.setCheckState(Qt.PartiallyChecked)
self.update_item_changed(parent)
self.item_check_parent(parent)
def resolve_item_up_changed(self, item: QObject) -> None:
"""Update the state of the parent."""
self.update_item_changed(item)
parent = item.parent()
if not (parent and parent.isCheckable()):
return
parent.setCheckState(Qt.PartiallyChecked)
self.update_item_changed(parent)
self.item_check_parent(parent)
def notify_wheel_event(app: QtWidgets.QApplication,
obj: QtCore.QObject,
event: QtCore.QEvent):
"""Notify obj or obj.parent() based on orientation lock state"""
update_lock_orientation(event)
if (event.orientation() == locked_orientation
and (type(obj) is not QtGui.QScrollBar
or obj.orientation() == locked_orientation)):
return super(type(app), app).notify(obj, event)
else:
return super(type(app), app).notify(obj.parent(), event)
def QObject对象名称和属性(self):
obj0 = QObject()
obj1 = QObject()
obj2 = QObject()
obj3 = QObject()
obj4 = QObject()
obj5 = QObject()
obj2.setObjectName("2")
obj3.setObjectName("3")
print("obj0", obj0)
print("obj1", obj1)
print("obj2", obj2)
print("obj3", obj3)
print("obj4", obj4)
print("obj5", obj5)
obj1.setParent(obj0)
obj2.setParent(obj0)
obj3.setParent(obj1)
obj4.setParent(obj2)
obj5.setParent(obj2)
print(obj1.parent())
print(obj2.parent())
print(obj0.children())
print(obj0.findChildren(QObject, None, Qt.FindChildrenRecursively))
print(obj0.findChild(QObject, "2", Qt.FindChildrenRecursively))
#********************内存管理***************************开始
obj1 = QObject()
self.obj1 = obj1
obj2 = QObject()
obj2.setParent(obj1)
# 监听obj2对象被释放
obj2.destroyed.connect(lambda _: print("obj2对象被释放了"))
del self.obj1
def eventFilter(self, watched: QObject, event: QEvent) -> bool:
return self._interpreter.eventFilter(watched.parent(), event)
def get_parent(widget: QObject):
if callable(widget.parent) is False:
## some objects has "parent" attribute instead of "parent" method
## e.g. matplotlib's NavigationToolbar
return None
return widget.parent()
