Cpp changes, minor refactor plus separate signal logic, typo.

- typo in searchindex
- Cpp plugin changed to use enum lidstate
- minor refactor
- Using signals instead of direct property access.
- Using states instead
- checking lidclosed instead of preparetosleep

Plugins/ZShell/lidwatcher.hpp

@@ -1,6 +1,8 @@
 #pragma once
 
 #include <QObject>
+#include <QStringList>
+#include <QVariantMap>
 #include <qqmlintegration.h>
 
 namespace ZShell {
@@ -11,22 +13,32 @@ class LidWatcher : public QObject {
 	QML_SINGLETON
 
 	Q_PROPERTY(bool available READ available NOTIFY availableChanged)
+	Q_PROPERTY(LidState state READ state NOTIFY stateChanged)
 
 public:
+	enum LidState {
+		Opened,
+		Closed
+	};
+	Q_ENUM(LidState)
+
 	explicit LidWatcher(QObject* parent = nullptr);
 
 	[[nodiscard]] bool available() const;
+	[[nodiscard]] LidState state() const;
+
+private:
+	void queryInitialState();
+
+	bool m_available;
+	LidState m_state = Opened;
 
 private Q_SLOTS:
-	void onPrepareForSleep(bool goingDown);
+	void onPropertiesChanged(const QString& interface, const QVariantMap& changed, const QStringList& invalidated);
 
 Q_SIGNALS:
 	void availableChanged();
-	void lidClosing();
-	void lidOpened();
-
-private:
-	bool m_available;
+	void stateChanged();
 };
 
 } // namespace ZShell