def event(self, e):
print 'event()', self, e
return QObject.event(self, e)
def eventFilter(self, watched, event):
print 'eventFilter()', watched, event
return QObject.eventFilter(self, watched, event)
def connectNotify(self, signal):
print 'connectNotify()', self, signal
QObject.connectNotify(self, signal)
def childEvent(self, e):
print 'childEvent', e
#return QObject.protected_childEvent(self, e)
return QObject.childEvent(self, e)
from Qt.Core import QObject, QEvent, factory from Qt.Gui import QApplication, QWidget app = QApplication() a = QObject(None) b = QObject(None) c = QObject(None) print a, b, c print a.parent(), b.parent(), c.parent() a.setParent(b) b.setParent(c) #c.setParent(a) print a.parent(), b.parent(), c.parent()
# parental test from Qt.Core import QObject a = QObject(None) b = QObject(a) print 'a:', a print 'b:', b print 'a.parent():', a.parent() print 'b.parent():', b.parent() assert a == a assert b == b assert not (a == b) assert not (b == a) assert a.parent() == None assert b.parent() == a assert a == b.parent() assert b.parent() == b.parent()
def event(self, e):
print e, e.type()
return QObject.event(self, e)
def __init__(self, parent=None):
QObject.__init__(self, parent)
# try to leak memory
from Qt.Core import QObject, childrens, factory
print
print 'Test #1: parentless QObjects'
for i in range(3):
a = QObject()
a.objectName = 'a'+str(i)
print 'creating a'+str(i), a
a = QObject()
a.objectName = 'a'
c = QObject(a)
#a.__children__ = []
print
print 'Test #2: parented QObjects'
print a, c
for i in range(3):
b = QObject(a)
#a.__children__.append(b)
b.objectName = 'b'+str(i)
print 'creating b'+str(i), b
#c = factory(a)
#print c
#del b
c.setParent(None)
# parent test
from Qt.Core import QObject
from Qt.Gui import QApplication, QPushButton
app = QApplication('app')
button = QPushButton('Push me', None)
a = QObject(button)
a.objectName = 'a'
button.objectName = 'button'
print button, a, a.parent()
print type(button), type(a), type(a.parent())
print button == a.parent()
for obj in [a, button, a.parent()]:
print obj.objectName, obj
def f():
a = QObject(None)
print 'a:',a
a.connect('destroyed(QObject*)', on_destroy)
del a
