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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QApplication>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QSlider>
#include <QLineEdit>
#include <QPushButton>
#include <QLabel>
#include <QCheckBox>
#include <QFileDialog>
#include "examplewidget.h"
static const bool TEST_OFFSCREEN_GRAB = false;
int main(int argc, char **argv)
{
qputenv("QSG_INFO", "1");
QApplication app(argc, argv);
QVBoxLayout *layout = new QVBoxLayout;
QLineEdit *edit = new QLineEdit(QLatin1String("Text on cube"));
QSlider *slider = new QSlider(Qt::Horizontal);
ExampleRhiWidget *rw = new ExampleRhiWidget;
QObject::connect(edit, &QLineEdit::textChanged, edit, [edit, rw] {
rw->setCubeTextureText(edit->text());
});
slider->setMinimum(0);
slider->setMaximum(360);
QObject::connect(slider, &QSlider::valueChanged, slider, [slider, rw] {
rw->setCubeRotation(slider->value());
});
QPushButton *btn = new QPushButton(QLatin1String("Grab to image"));
QObject::connect(btn, &QPushButton::clicked, btn, [rw] {
QImage image = rw->grabTexture();
qDebug() << image;
if (!image.isNull()) {
QFileDialog fd(rw->parentWidget());
fd.setAcceptMode(QFileDialog::AcceptSave);
fd.setDefaultSuffix("png");
fd.selectFile("test.png");
if (fd.exec() == QDialog::Accepted)
image.save(fd.selectedFiles().first());
}
});
QHBoxLayout *btnLayout = new QHBoxLayout;
btnLayout->addWidget(btn);
QCheckBox *cbExplicitSize = new QCheckBox(QLatin1String("Use explicit size"));
QObject::connect(cbExplicitSize, &QCheckBox::stateChanged, cbExplicitSize, [cbExplicitSize, rw] {
if (cbExplicitSize->isChecked())
rw->setExplicitSize(QSize(128, 128));
else
rw->setExplicitSize(QSize());
});
btnLayout->addWidget(cbExplicitSize);
QPushButton *btnMakeWindow = new QPushButton(QLatin1String("Make top-level window"));
QObject::connect(btnMakeWindow, &QPushButton::clicked, btnMakeWindow, [rw, btnMakeWindow, layout] {
if (rw->parentWidget()) {
rw->setParent(nullptr);
rw->setAttribute(Qt::WA_DeleteOnClose, true);
rw->show();
btnMakeWindow->setText(QLatin1String("Make child widget"));
} else {
rw->setAttribute(Qt::WA_DeleteOnClose, false);
layout->addWidget(rw);
btnMakeWindow->setText(QLatin1String("Make top-level window"));
}
});
btnLayout->addWidget(btnMakeWindow);
layout->addWidget(edit);
QHBoxLayout *sliderLayout = new QHBoxLayout;
sliderLayout->addWidget(new QLabel(QLatin1String("Cube rotation")));
sliderLayout->addWidget(slider);
layout->addLayout(sliderLayout);
layout->addLayout(btnLayout);
layout->addWidget(rw);
rw->setCubeTextureText(edit->text());
if (TEST_OFFSCREEN_GRAB) {
rw->resize(320, 200);
rw->grabTexture().save("offscreen_grab.png");
}
QWidget w;
w.setLayout(layout);
w.resize(1280, 720);
w.show();
return app.exec();
}
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