def createQmlComponent(filename, engine, context, parent=None):
# Load the QML UI (this could take a while...)
qcomponent = QDeclarativeComponent(
engine, QUrl.fromLocalFile(QML(filename)), parent
)
qobject = qcomponent.create(context)
error = qcomponent.errorString()
if len(error) > 0:
print('Error while loading QML file: ' + error)
return QmlGuiComponent(qobject, qcomponent)
def __init__(self, parentItem, **kargs):
global parent
parent = self
if not QMLItem.__engine__:
QMLItem.__engine__ = QDeclarativeEngine()
component = QDeclarativeComponent(QMLItem.__engine__)
qmlData = 'import Qt 4.7\n%s { }' % self.__className__
component.setData(qmlData, QUrl())
self._proxy = component.create()
self._metaObject = self._proxy.metaObject()
self._scene = parentItem.scene()
self._scene.addItem(self._proxy)
t = type(self)
tDict = t.__dict__
for key in tDict:
# connect signals
if key.startswith('on') and (key in self.__signals__):
signalName = self.__signals__[key]
signal = getattr(self._proxy, signalName)
signal.connect(getattr(self, key))
# initialize properties
elif self._metaObject.indexOfProperty(key) != -1:
setattr(self, key, QMLProperty(self._proxy, key, tDict[key]))
else:
try:
# istanciate types
if issubclass(tDict[key], QMLItem):
setattr(self, key, tDict[key](self._proxy))
except TypeError:
pass
parent = None
from person import Person
# int main(int argc, char ** argv)
if __name__ == '__main__':
# QCoreApplication app(argc, argv);
app = QCoreApplication(sys.argv)
# qmlRegisterType<Person>("People", 1,0, "Person");
qmlRegisterType(Person, 'People', 1, 0, 'Person');
# QDeclarativeEngine engine;
engine = QDeclarativeEngine()
# QDeclarativeComponent component(&engine, QUrl("qrc:example.qml"));
component = QDeclarativeComponent(engine, QUrl("example.qml"))
# Person *person = qobject_cast<Person *>(component.create());
person = component.create()
# if (person) {
if person:
# qWarning() << "The person's name is" << person->name();
# qWarning() << "They wear a" << person->shoeSize() << "sized shoe";
qWarning("The person's name is {p.name}".format(p=person))
qWarning("They wear a {p.shoeSize} sized shoe".format(p=person))
# } else {
else:
# usual approach failed here: needed extract all the errors from a
# list, and then cast them to strings.
# trying to cast to unicode resulted in an incomplete error message
# int main(int argc, char ** argv)
if __name__ == '__main__':
# QCoreApplication app(argc, argv);
app = QCoreApplication(sys.argv)
# qmlRegisterType<Person>("People", 1,0, "Person");
qmlRegisterType(Person, 'People', 1, 0, 'Person');
# qmlRegisterType<BirthdayParty>("People", 1,0, "BirthdayParty");
qmlRegisterType(BirthdayParty, 'People', 1, 0, 'BirthdayParty');
# QDeclarativeEngine engine;
engine = QDeclarativeEngine()
# QDeclarativeComponent component(&engine, QUrl("qrc:example.qml"));
component = QDeclarativeComponent(engine, QUrl("example.qml"))
# BirthdayParty *party = qobject_cast<BirthdayParty *>(component.create());
party = component.create()
# if (party && party->host()) {
if party and party.host:
# qWarning() << party->host()->name() << "is having a birthday!";
# qWarning() << "They are inviting:";
qWarning("{host.name} is having a birthday!".format(host=party.host))
qWarning("They are inviting:")
# for (int ii = 0; ii < party->guestCount(); ++ii)
# qWarning() << " " << party->guest(ii)->name();
for x in range(party.guestCount()):
qWarning("{}".format(party.guest(x)))
# } else {
