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