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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "hellowindow.h"
#include <qpa/qplatformintegration.h>
#include <QGuiApplication>
#include <QScreen>
#include <QThread>
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
// Some platforms can only have one window per screen. Therefore we need to differentiate.
const bool multipleWindows = QGuiApplication::arguments().contains(QStringLiteral("--multiple"));
const bool multipleScreens = QGuiApplication::arguments().contains(QStringLiteral("--multiscreen"));
QScreen *screen = QGuiApplication::primaryScreen();
QRect screenGeometry = screen->availableGeometry();
QSurfaceFormat format;
format.setDepthBufferSize(16);
if (QGuiApplication::arguments().contains(QStringLiteral("--multisample")))
format.setSamples(4);
QPoint center = QPoint(screenGeometry.center().x(), screenGeometry.top() + 80);
QSize windowSize(400, 320);
int delta = 40;
QList<QWindow *> windows;
QSharedPointer<Renderer> rendererA(new Renderer(format));
HelloWindow *windowA = new HelloWindow(rendererA);
windowA->setGeometry(QRect(center, windowSize).translated(-windowSize.width() - delta / 2, 0));
windowA->setTitle(QStringLiteral("Thread A - Context A"));
windowA->setVisible(true);
windows.prepend(windowA);
QList<QThread *> renderThreads;
if (multipleWindows) {
QSharedPointer<Renderer> rendererB(new Renderer(format, rendererA.data()));
QThread *renderThread = new QThread;
rendererB->moveToThread(renderThread);
renderThreads << renderThread;
HelloWindow *windowB = new HelloWindow(rendererA);
windowB->setGeometry(QRect(center, windowSize).translated(delta / 2, 0));
windowB->setTitle(QStringLiteral("Thread A - Context A"));
windowB->setVisible(true);
windows.prepend(windowB);
HelloWindow *windowC = new HelloWindow(rendererB);
windowC->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, windowSize.height() + delta));
windowC->setTitle(QStringLiteral("Thread B - Context B"));
windowC->setVisible(true);
windows.prepend(windowC);
}
if (multipleScreens) {
for (int i = 1; i < QGuiApplication::screens().size(); ++i) {
QScreen *screen = QGuiApplication::screens().at(i);
QSharedPointer<Renderer> renderer(new Renderer(format, rendererA.data(), screen));
QThread *renderThread = new QThread;
renderer->moveToThread(renderThread);
renderThreads.prepend(renderThread);
QRect screenGeometry = screen->availableGeometry();
QPoint center = screenGeometry.center();
QSize windowSize = screenGeometry.size() * 0.8;
HelloWindow *window = new HelloWindow(renderer, screen);
window->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, -windowSize.height() / 2));
QChar id = QChar('B' + i);
window->setTitle(QStringLiteral("Thread ") + id + QStringLiteral(" - Context ") + id);
window->setVisible(true);
windows.prepend(window);
}
}
for (int i = 0; i < renderThreads.size(); ++i) {
QObject::connect(qGuiApp, SIGNAL(lastWindowClosed()), renderThreads.at(i), SLOT(quit()));
renderThreads.at(i)->start();
}
// Quit after 10 seconds. For platforms that do not have windows that are closeable.
if (QCoreApplication::arguments().contains(QStringLiteral("--timeout")))
QTimer::singleShot(10000, qGuiApp, SLOT(quit()));
const int exitValue = app.exec();
for (int i = 0; i < renderThreads.size(); ++i) {
renderThreads.at(i)->quit(); // some platforms may not have windows to close so ensure quit()
renderThreads.at(i)->wait();
}
qDeleteAll(windows);
qDeleteAll(renderThreads);
return exitValue;
}
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