Digital Artifex
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2023 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Quick Dialogs module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL3$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPLv3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or later as published by the Free
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** Software Foundation and appearing in the file LICENSE.GPL included in
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** the packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 2.0 requirements will be
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** met: http://www.gnu.org/licenses/gpl-2.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "quickstudiofilereader.h"
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#include <QDir>
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#include <QDirIterator>
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#include <QFileSystemWatcher>
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#include <QLoggingCategory>
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QT_BEGIN_NAMESPACE
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#ifndef Q_STATIC_LOGGING_CATEGORY // introduced with Qt 6.9
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static Q_LOGGING_CATEGORY(quickStudioFileReaderDebug, "qt.Studioapplication.debug", QtDebugMsg)
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#else
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Q_STATIC_LOGGING_CATEGORY(quickStudioFileReaderDebug, "qt.Studiofilereader.debug", QtDebugMsg)
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#endif
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QuickStudioFileReader::QuickStudioFileReader(QObject *parent)
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: QObject(parent)
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{}
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QString QuickStudioFileReader::loadFile(const QString &path)
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{
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qCDebug(quickStudioFileReaderDebug) << Q_FUNC_INFO << "Load file: " << path;
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QFile file(path);
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bool ok = file.open(QIODevice::ReadOnly);
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if (!ok) {
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qWarning() << "File cannot be opened:" << file.errorString();
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return {};
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}
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if (m_watcher)
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m_watcher->deleteLater();
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m_watcher = new QFileSystemWatcher({path}, this);
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connect(m_watcher, &QFileSystemWatcher::fileChanged, this, &QuickStudioFileReader::reload);
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return QString::fromUtf8(file.readAll());
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}
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void QuickStudioFileReader::reload()
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{
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qCDebug(quickStudioFileReaderDebug) << Q_FUNC_INFO << "Load file: " << m_filePath;
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QString localPath;
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if (m_filePath.isLocalFile())
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localPath = m_filePath.toLocalFile();
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if (m_filePath.scheme() == QStringLiteral("qrc")) {
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const QString &path = m_filePath.path();
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localPath = QStringLiteral(":") + path;
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}
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QString newContent = loadFile(localPath);
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if (newContent != m_content) {
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m_content = newContent;
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emit contentChanged();
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}
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}
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void QuickStudioFileReader::setFilePath(const QUrl &url)
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{
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if (url == filePath())
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return;
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m_filePath = url;
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reload();
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emit filePathChanged();
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}
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QT_END_NAMESPACE
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