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/*
SPDX-FileCopyrightText: 2023 ivan tkachenko <me@ratijas.tk>
SPDX-FileCopyrightText: 2023 David Edmundson <davidedmundson@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <QApplication>
#include <QCommandLineOption>
#include <QCommandLineParser>
#include <QCoreApplication>
#include <QDir>
#include <QQmlAbstractUrlInterceptor>
#include <QQmlComponent>
#include <QQmlContext>
#include <QQmlEngine>
#include <QQuickItem>
#include <QQuickView>
#include <QScopedPointer>
#include <QStringList>
#include <QTimer>
#include <KDirWatch>
#include <KLocalizedContext>
#include <KLocalizedString>
#include <PlasmaQuick/QuickViewSharedEngine>
#include <PlasmaQuick/SharedQmlEngine>
#include <stdio.h>
void noFilesGiven()
{
printf("kqml: No files specified. Terminating.\n");
exit(1);
}
class QmlFileChangeWatcher : public QObject, public QQmlAbstractUrlInterceptor
{
Q_OBJECT
public:
QmlFileChangeWatcher(std::shared_ptr<QQmlEngine>, QObject *parent);
QUrl intercept(const QUrl &path, DataType type) override;
Q_SIGNALS:
void dirty();
private:
void init();
std::unique_ptr<KDirWatch> m_fileWatcher;
QTimer m_resetTimer;
};
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
app.setApplicationName("KDE QML Runtime");
app.setOrganizationName("KDE");
app.setOrganizationDomain("kde.org");
QApplication::setApplicationVersion(QLatin1String(PROJECT_VERSION));
QStringList files;
// Handle main arguments
QCommandLineParser parser;
parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
parser.setOptionsAfterPositionalArgumentsMode(QCommandLineParser::ParseAsPositionalArguments);
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption applicationDomainOption(QStringList{QStringLiteral("d"), QStringLiteral("domain")},
QStringLiteral("The main localization domain"),
QStringLiteral("domain"));
parser.addOption(applicationDomainOption);
// Positional arguments
parser.addPositionalArgument("files", QStringLiteral("Any number of QML files can be loaded. They will share the same engine."), "[files...]");
parser.addPositionalArgument("args",
QStringLiteral("Arguments after '--' are ignored, but passed through to the application.arguments variable in QML."),
"[-- args...]");
parser.process(app);
QString applicationDomain;
if (parser.isSet(applicationDomainOption)) {
applicationDomain = parser.value(applicationDomainOption);
} else {
applicationDomain = QStringLiteral("kqml");
}
for (QString posArg : parser.positionalArguments()) {
if (posArg == QLatin1String("--")) {
break;
} else {
files.append(posArg);
}
}
if (files.size() <= 0) {
noFilesGiven();
}
auto engine = PlasmaQuick::SharedQmlEngine().engine();
auto watcher = new QmlFileChangeWatcher(engine, &app);
QObject::connect(watcher, &QmlFileChangeWatcher::dirty, [&engine, files]() {
engine->clearComponentCache();
// engine->clearSingletons();
});
// Load files
for (const QString &path : std::as_const(files)) {
QUrl url = QUrl::fromUserInput(path, QDir::currentPath(), QUrl::AssumeLocalFile);
auto window = new PlasmaQuick::QuickViewSharedEngine();
window->setTranslationDomain(applicationDomain);
window->setTitle(url.fileName());
window->setSource(url);
window->show();
QObject::connect(watcher, &QmlFileChangeWatcher::dirty, window, [window]() {
window->setSource(QUrl());
delete window->rootObject();
});
QObject::connect(
watcher,
&QmlFileChangeWatcher::dirty,
window,
[window, url]() {
qDebug() << "Reloading";
qDebug() << "-------------------";
window->setSource(url);
},
Qt::QueuedConnection);
QObject::connect(window, &PlasmaQuick::QuickViewSharedEngine::statusChanged, window, [window](QQmlComponent::Status status) {
if (status == QQmlComponent::Error) {
qWarning() << "Error loading file";
}
});
// status changed
}
return app.exec();
}
QmlFileChangeWatcher::QmlFileChangeWatcher(std::shared_ptr<QQmlEngine> engine, QObject *parent)
: QObject(parent)
{
engine->addUrlInterceptor(this);
m_resetTimer.setInterval(1000);
m_resetTimer.setSingleShot(true);
connect(&m_resetTimer, &QTimer::timeout, this, [this, engine]() {
// reset watched files
init();
Q_EMIT dirty();
});
init();
}
void QmlFileChangeWatcher::init()
{
m_fileWatcher.reset(new KDirWatch(this));
connect(m_fileWatcher.get(), &KDirWatch::dirty, this, [this]() {
if (!m_resetTimer.isActive()) {
m_resetTimer.start();
}
});
}
QUrl QmlFileChangeWatcher::intercept(const QUrl &path, DataType type)
{
switch (type) {
case QmlFile:
case JavaScriptFile:
case QmldirFile:
m_fileWatcher->addFile(path.toLocalFile());
break;
default:
break;
}
return path;
}
#include "main.moc"
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