overte-JulianGro/interface/src/ui/overlays/QmlOverlay.cpp
2019-07-30 09:59:45 -07:00

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1.9 KiB
C++

//
// Created by Bradley Austin Davis on 2016/01/27
// Copyright 2013-2016 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "QmlOverlay.h"
#include <QQuickItem>
#include <QThread>
#include <DependencyManager.h>
#include <OffscreenUi.h>
QmlOverlay::QmlOverlay(const QUrl& url) {
buildQmlElement(url);
}
QmlOverlay::QmlOverlay(const QUrl& url, const QmlOverlay* overlay)
: Overlay2D(overlay) {
buildQmlElement(url);
}
void QmlOverlay::buildQmlElement(const QUrl& url) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "buildQmlElement", Q_ARG(QUrl, url));
return;
}
auto offscreenUi = DependencyManager::get<OffscreenUi>();
offscreenUi->load(url, [=](QQmlContext* context, QObject* object) {
_qmlElement = dynamic_cast<QQuickItem*>(object);
connect(_qmlElement, &QObject::destroyed, this, &QmlOverlay::qmlElementDestroyed);
});
}
void QmlOverlay::qmlElementDestroyed() {
_qmlElement = nullptr;
}
QmlOverlay::~QmlOverlay() {
if (_qmlElement) {
_qmlElement->deleteLater();
}
_qmlElement = nullptr;
}
// QmlOverlay replaces Overlay's properties with those defined in the QML file used but keeps Overlay2D's properties.
void QmlOverlay::setProperties(const QVariantMap& properties) {
Overlay2D::setProperties(properties);
// check to see if qmlElement still exists
if (_qmlElement) {
_qmlElement->setX(_bounds.left());
_qmlElement->setY(_bounds.top());
_qmlElement->setWidth(_bounds.width());
_qmlElement->setHeight(_bounds.height());
_qmlElement->setVisible(_visible);
QMetaObject::invokeMethod(_qmlElement, "updatePropertiesFromScript", Qt::DirectConnection, Q_ARG(QVariant, properties));
}
}