def _get_pyqt_objects(lines: MutableSequence[str],
obj: QObject,
depth: int = 0) -> None:
"""Recursive method for get_all_objects to get Qt objects."""
for kid in obj.findChildren(QObject, '', Qt.FindDirectChildrenOnly):
lines.append(' ' * depth + repr(kid))
_get_pyqt_objects(lines, kid, depth + 1)
def apply_font(qt_root_obj: QtCore.QObject, font_name: str):
font = get_font(font_name)
if not config.qt_app:
return
config.qt_app.setFont(font)
for qt_obj in qt_root_obj.findChildren(QtWidgets.QWidget):
obj_font = qt_obj.font()
obj_font.setFamily(font.family())
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
