status-desktop/ui/StatusQ/sandbox/sandboxapp.cpp

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#include "sandboxapp.h"
#include <QQmlContext>
#include <QWindow>
#include <QDebug>
#include <QDirIterator>
SandboxApp::SandboxApp(int &argc, char **argv)
: QGuiApplication(argc, argv)
{
#ifdef QT_DEBUG
connect(&m_watcher, &QFileSystemWatcher::fileChanged, this, [this](const QString& path) {
qDebug().noquote() << QString("File change detected in '%1'").arg(path);
restartEngine();
});
#endif
}
void SandboxApp::watchDirectoryChanges(const QString& path)
{
qDebug() << "Iterating to watch over:" << path;
const auto dirFilters = QDir::Files | QDir::NoDotAndDotDot;
const auto fileNameFilters = QStringList { "*.qml" };
for (QDirIterator it(path, fileNameFilters, dirFilters, QDirIterator::Subdirectories); it.hasNext(); it.next()) {
if (!it.filePath().isEmpty()) {
m_watcher.addPath(it.filePath());
}
}
}
void SandboxApp::startEngine()
{
#ifdef QT_DEBUG
watchDirectoryChanges(SANDBOX_SRC_DIR);
watchDirectoryChanges(STATUSQ_MODULE_PATH);
#endif
restartEngine();
}
void SandboxApp::restartEngine()
{
const bool firstRun { !m_engine };
if (!firstRun)
qDebug() << "Restarting QML engine";
m_engine = std::make_unique<QQmlApplicationEngine>();
m_engine->addImportPath(STATUSQ_MODULE_IMPORT_PATH);
if (firstRun)
qDebug() << "QQmlEngine import paths: " << m_engine->importPathList();
QObject::connect(m_engine.get(), &QQmlApplicationEngine::objectCreated,
this, [this](QObject *obj, const QUrl &objUrl) {
if (!obj && m_url == objUrl)
QCoreApplication::exit(-1);
}, Qt::QueuedConnection);
m_engine->load(m_url);
}