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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

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