1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include "mainwindow.h"
52#include "vulkanwindow.h"
53#include <QApplication>
54#include <QLabel>
55#include <QPushButton>
56#include <QLCDNumber>
57#include <QCheckBox>
58#include <QGridLayout>
59
60MainWindow::MainWindow(VulkanWindow *vulkanWindow)
61{
62 QWidget *wrapper = QWidget::createWindowContainer(window: vulkanWindow);
63 wrapper->setFocusPolicy(Qt::StrongFocus);
64 wrapper->setFocus();
65
66 infoLabel = new QLabel;
67 infoLabel->setFrameStyle(QFrame::Box | QFrame::Raised);
68 infoLabel->setAlignment(Qt::AlignCenter);
69 infoLabel->setText(tr(s: "This example demonstrates instanced drawing\nof a mesh loaded from a file.\n"
70 "Uses a Phong material with a single light.\n"
71 "Also demonstrates dynamic uniform buffers\nand a bit of threading with QtConcurrent.\n"
72 "Uses 4x MSAA when available.\n"
73 "Comes with an FPS camera.\n"
74 "Hit [Shift+]WASD to walk and strafe.\nPress and move mouse to look around.\n"
75 "Click Add New to increase the number of instances."));
76
77 meshSwitch = new QCheckBox(tr(s: "&Use Qt logo"));
78 meshSwitch->setFocusPolicy(Qt::NoFocus); // do not interfere with vulkanWindow's keyboard input
79
80 counterLcd = new QLCDNumber(5);
81 counterLcd->setSegmentStyle(QLCDNumber::Filled);
82 counterLcd->display(num: m_count);
83
84 newButton = new QPushButton(tr(s: "&Add new"));
85 newButton->setFocusPolicy(Qt::NoFocus);
86 quitButton = new QPushButton(tr(s: "&Quit"));
87 quitButton->setFocusPolicy(Qt::NoFocus);
88 pauseButton = new QPushButton(tr(s: "&Pause"));
89 pauseButton->setFocusPolicy(Qt::NoFocus);
90
91 connect(sender: quitButton, signal: &QPushButton::clicked, qApp, slot: &QCoreApplication::quit);
92 connect(sender: newButton, signal: &QPushButton::clicked, context: vulkanWindow, slot: [=] {
93 vulkanWindow->addNew();
94 m_count = vulkanWindow->instanceCount();
95 counterLcd->display(num: m_count);
96 });
97 connect(sender: pauseButton, signal: &QPushButton::clicked, receiver: vulkanWindow, slot: &VulkanWindow::togglePaused);
98 connect(sender: meshSwitch, signal: &QCheckBox::clicked, receiver: vulkanWindow, slot: &VulkanWindow::meshSwitched);
99
100 QGridLayout *layout = new QGridLayout;
101 layout->addWidget(infoLabel, row: 0, column: 2);
102 layout->addWidget(meshSwitch, row: 1, column: 2);
103 layout->addWidget(createLabel(text: tr(s: "INSTANCES")), row: 2, column: 2);
104 layout->addWidget(counterLcd, row: 3, column: 2);
105 layout->addWidget(newButton, row: 4, column: 2);
106 layout->addWidget(pauseButton, row: 5, column: 2);
107 layout->addWidget(quitButton, row: 6, column: 2);
108 layout->addWidget(wrapper, row: 0, column: 0, rowSpan: 7, columnSpan: 2);
109 setLayout(layout);
110}
111
112QLabel *MainWindow::createLabel(const QString &text)
113{
114 QLabel *lbl = new QLabel(text);
115 lbl->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
116 return lbl;
117}
118

Provided by KDAB

Privacy Policy
Learn to use CMake with our Intro Training
Find out more

source code of qtbase/examples/vulkan/hellovulkancubes/mainwindow.cpp