feat: add filesystem watcher and rename QtShell object

src/cpp/rootwrapper.hpp

@@ -1,31 +1,31 @@
 #pragma once
 
 #include <qobject.h>
-#include <qobjectdefs.h>
 #include <qqmlengine.h>
 #include <qtmetamacros.h>
 #include <qurl.h>
 
 #include "scavenge.hpp"
 #include "shell.hpp"
+#include "watcher.hpp"
 
 class RootWrapper: public QObject, virtual public Scavengeable {
 	Q_OBJECT;
 
 public:
-	explicit RootWrapper(QUrl rootUrl);
-
-	void reloadGraph(bool hard);
-	void changeRoot(QtShell* newRoot);
+	explicit RootWrapper(QString rootPath);
 
 	QObject* scavengeTargetFor(QObject* child) override;
 
+	void reloadGraph(bool hard);
+
 private slots:
-	void destroy();
+	void onConfigChanged();
+	void onWatchedFilesChanged();
 
 private:
-	QUrl rootUrl;
+	QString rootPath;
 	QQmlEngine engine;
-	QtShell* activeRoot = nullptr;
-	QMetaObject::Connection destroyConnection;
+	ShellRoot* root = nullptr;
+	FiletreeWatcher* configWatcher = nullptr;
 };