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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "mainwindow.h"
++
++ #include <QUrl>
++
++ #include <QDesktopServices>
++ #include <QScreen>
++
++ #include <QLabel>
++ #include <QLayout>
++
++ MainWindow::MainWindow(QWidget *parent)
++ : QWidget(parent),
++ m_titleLabel(new QLabel(this)),
++ m_infoLabel(new QLabel(tr("Enable NFC"), this)),
++ m_uriLabel(new QLabel(this)),
++ m_landscapeIconLabel(new QLabel(this)),
++ m_portraitIconLabel(new QLabel(this))
++ {
++ m_titleLabel->setAlignment(Qt::AlignCenter);
++ m_infoLabel->setAlignment(Qt::AlignCenter);
++ m_uriLabel->setAlignment(Qt::AlignCenter);
++ m_landscapeIconLabel->setAlignment(Qt::AlignCenter);
++ m_portraitIconLabel->setAlignment(Qt::AlignCenter);
++
++ QFont f = m_titleLabel->font();
++ f.setBold(true);
++ m_titleLabel->setFont(f);
++
++ QVBoxLayout *verticalLayout = new QVBoxLayout;
++ verticalLayout->addWidget(m_titleLabel);
++ verticalLayout->addWidget(m_infoLabel);
++ verticalLayout->addWidget(m_portraitIconLabel);
++ verticalLayout->addWidget(m_uriLabel);
++
++ QHBoxLayout *horizontalLayout = new QHBoxLayout;
++ horizontalLayout->addWidget(m_landscapeIconLabel);
++ horizontalLayout->addLayout(verticalLayout);
++ horizontalLayout->setSpacing(0);
++
++ setLayout(horizontalLayout);
++
++ handleScreenChange();
++ }
++
++ MainWindow::~MainWindow()
++ {
++ }
++
++ void MainWindow::displayAnnotatedUrl(const QUrl &url, const QString &title, const QPixmap &pixmap)
++ {
++ m_infoLabel->setHidden(true);
++
++ m_uriLabel->setText(url.toString());
++ m_titleLabel->setText(title);
++
++ m_pixmap = pixmap;
++ updateWidgetLayout(m_screen->orientation());
++ }
++
++ void MainWindow::nfcStateChanged(bool enabled)
++ {
++ const QString text = enabled ? "Touch a tag" : "Enable NFC";
++ m_infoLabel->setText(text);
++ }
++
++ void MainWindow::showTagError(const QString &message)
++ {
++ m_uriLabel->clear();
++ m_titleLabel->clear();
++ m_pixmap = QPixmap();
++ m_landscapeIconLabel->setVisible(false);
++ m_portraitIconLabel->setVisible(false);
++
++ m_infoLabel->setHidden(false);
++ m_infoLabel->setText(message);
++ }
++
++ void MainWindow::mouseReleaseEvent(QMouseEvent * /*event*/)
++ {
++ QDesktopServices::openUrl(QUrl(m_uriLabel->text()));
++ }
++
++ void MainWindow::moveEvent(QMoveEvent * /*event*/)
++ {
++ if (screen() != m_screen)
++ handleScreenChange();
++ }
++
++ void MainWindow::updateWidgetLayout(Qt::ScreenOrientation orientation)
++ {
++ m_landscapeIconLabel->setVisible(false);
++ m_portraitIconLabel->setVisible(false);
++ if (!m_pixmap.isNull()) {
++ const bool landscapeMode = (orientation == Qt::LandscapeOrientation)
++ || (orientation == Qt::InvertedLandscapeOrientation);
++ QLabel *imageLabel = landscapeMode ? m_landscapeIconLabel : m_portraitIconLabel;
++ imageLabel->setVisible(true);
++ if (m_pixmap.width() > imageLabel->width() || m_pixmap.height() > imageLabel->height())
++ imageLabel->setPixmap(m_pixmap.scaled(imageLabel->size(), Qt::KeepAspectRatio));
++ else
++ imageLabel->setPixmap(m_pixmap);
++ }
++ }
++
++ void MainWindow::handleScreenChange()
++ {
++ if (m_screen)
++ disconnect(m_screen, &QScreen::orientationChanged, this, &MainWindow::updateWidgetLayout);
++
++ m_screen = screen();
++ connect(m_screen, &QScreen::orientationChanged, this, &MainWindow::updateWidgetLayout);
++
++ updateWidgetLayout(m_screen->orientation());
++ }