refactor(wayland): seperate cmake files for modularity

src/core/rootwrapper.cpp

@@ -0,0 +1,81 @@
+#include "rootwrapper.hpp"
+#include <cstdlib>
+#include <utility>
+
+#include <qfileinfo.h>
+#include <qlogging.h>
+#include <qobject.h>
+#include <qqmlcomponent.h>
+#include <qqmlengine.h>
+#include <qurl.h>
+
+#include "shell.hpp"
+#include "watcher.hpp"
+
+RootWrapper::RootWrapper(QString rootPath):
+    QObject(nullptr), rootPath(std::move(rootPath)), engine(this) {
+	this->reloadGraph(true);
+
+	if (this->root == nullptr) {
+		qCritical() << "could not create scene graph, exiting";
+		exit(-1); // NOLINT
+	}
+}
+
+void RootWrapper::reloadGraph(bool hard) {
+	if (this->root != nullptr) {
+		this->engine.clearComponentCache();
+	}
+
+	auto component = QQmlComponent(&this->engine, QUrl::fromLocalFile(this->rootPath));
+
+	auto* obj = component.beginCreate(this->engine.rootContext());
+
+	if (obj == nullptr) {
+		qWarning() << component.errorString().toStdString().c_str();
+		qWarning() << "failed to create root component";
+		return;
+	}
+
+	auto* newRoot = qobject_cast<ShellRoot*>(obj);
+	if (newRoot == nullptr) {
+		qWarning() << "root component was not a QuickShell.ShellRoot";
+		delete obj;
+		return;
+	}
+
+	component.completeCreate();
+
+	newRoot->onReload(hard ? nullptr : this->root);
+
+	if (this->root != nullptr) {
+		this->root->deleteLater();
+		this->root = nullptr;
+	}
+
+	this->root = newRoot;
+	this->onConfigChanged();
+}
+
+void RootWrapper::onConfigChanged() {
+	auto config = this->root->config();
+
+	if (config.mWatchFiles && this->configWatcher == nullptr) {
+		this->configWatcher = new FiletreeWatcher();
+		this->configWatcher->addPath(QFileInfo(this->rootPath).dir().path());
+
+		QObject::connect(this->root, &ShellRoot::configChanged, this, &RootWrapper::onConfigChanged);
+
+		QObject::connect(
+		    this->configWatcher,
+		    &FiletreeWatcher::fileChanged,
+		    this,
+		    &RootWrapper::onWatchedFilesChanged
+		);
+	} else if (!config.mWatchFiles && this->configWatcher != nullptr) {
+		this->configWatcher->deleteLater();
+		this->configWatcher = nullptr;
+	}
+}
+
+void RootWrapper::onWatchedFilesChanged() { this->reloadGraph(false); }