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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, 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 The Qt Company Ltd 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 "mainwindow.h"
+#include "vulkanwindow.h"
+#include <QApplication>
+#include <QLabel>
+#include <QPushButton>
+#include <QLCDNumber>
+#include <QCheckBox>
+#include <QGridLayout>
+
+MainWindow::MainWindow(VulkanWindow *vulkanWindow)
+{
+ QWidget *wrapper = QWidget::createWindowContainer(vulkanWindow);
+ wrapper->setFocusPolicy(Qt::StrongFocus);
+ wrapper->setFocus();
+
+ infoLabel = new QLabel;
+ infoLabel->setFrameStyle(QFrame::Box | QFrame::Raised);
+ infoLabel->setAlignment(Qt::AlignCenter);
+ infoLabel->setText(tr("This example demonstrates instanced drawing\nof a mesh loaded from a file.\n"
+ "Uses a Phong material with a single light.\n"
+ "Also demonstrates dynamic uniform buffers\nand a bit of threading with QtConcurrent.\n"
+ "Uses 4x MSAA when available.\n"
+ "Comes with an FPS camera.\n"
+ "Hit [Shift+]WASD to walk and strafe.\nPress and move mouse to look around.\n"
+ "Click Add New to increase the number of instances."));
+
+ meshSwitch = new QCheckBox(tr("&Use Qt logo"));
+ meshSwitch->setFocusPolicy(Qt::NoFocus); // do not interfere with vulkanWindow's keyboard input
+
+ counterLcd = new QLCDNumber(5);
+ counterLcd->setSegmentStyle(QLCDNumber::Filled);
+ counterLcd->display(m_count);
+
+ newButton = new QPushButton(tr("&Add new"));
+ newButton->setFocusPolicy(Qt::NoFocus);
+ quitButton = new QPushButton(tr("&Quit"));
+ quitButton->setFocusPolicy(Qt::NoFocus);
+ pauseButton = new QPushButton(tr("&Pause"));
+ pauseButton->setFocusPolicy(Qt::NoFocus);
+
+ connect(quitButton, &QPushButton::clicked, qApp, &QCoreApplication::quit);
+ connect(newButton, &QPushButton::clicked, vulkanWindow, [=] {
+ vulkanWindow->addNew();
+ m_count = vulkanWindow->instanceCount();
+ counterLcd->display(m_count);
+ });
+ connect(pauseButton, &QPushButton::clicked, vulkanWindow, &VulkanWindow::togglePaused);
+ connect(meshSwitch, &QCheckBox::clicked, vulkanWindow, &VulkanWindow::meshSwitched);
+
+ QGridLayout *layout = new QGridLayout;
+ layout->addWidget(infoLabel, 0, 2);
+ layout->addWidget(meshSwitch, 1, 2);
+ layout->addWidget(createLabel(tr("INSTANCES")), 2, 2);
+ layout->addWidget(counterLcd, 3, 2);
+ layout->addWidget(newButton, 4, 2);
+ layout->addWidget(pauseButton, 5, 2);
+ layout->addWidget(quitButton, 6, 2);
+ layout->addWidget(wrapper, 0, 0, 7, 2);
+ setLayout(layout);
+}
+
+QLabel *MainWindow::createLabel(const QString &text)
+{
+ QLabel *lbl = new QLabel(text);
+ lbl->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
+ return lbl;
+}