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