fix currentItem property and signals

Plugins/ZShell/Components/carouselview.hpp

@@ -40,6 +40,10 @@ class CarouselView : public QQuickItem {
 	Q_PROPERTY(
 		int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY
 			currentIndexChanged)
+
+	Q_PROPERTY(
+		QQuickItem* currentItem READ currentItem NOTIFY currentItemChanged)
+
 	Q_PROPERTY(
 		int glideDuration READ glideDuration WRITE setGlideDuration NOTIFY
 			glideDurationChanged)
@@ -79,6 +83,8 @@ class CarouselView : public QQuickItem {
 	int currentIndex() const { return m_currentRealIndex; }
 	void setCurrentIndex(int idx);
 
+	QQuickItem* currentItem() const { return m_currentItem; }
+
 	int glideDuration() const { return m_glideDuration; }
 	void setGlideDuration(int v);
 
@@ -103,6 +109,7 @@ class CarouselView : public QQuickItem {
 	void tileHeightChanged();
 	void maxWidthChanged();
 	void currentIndexChanged();
+	void currentItemChanged();
 	void glideDurationChanged();
 	void glideEasingTypeChanged();
 	void delegatePropertiesChanged();
@@ -173,6 +180,8 @@ class CarouselView : public QQuickItem {
 
 	void updateCurrentIndexFromContentX(bool emitPreview);
 
+	void updateCurrentItem();
+
 	void wrapContentIfNeeded();
 	void centerInstantlyOnReal(int realIndex);
 
@@ -198,6 +207,8 @@ class CarouselView : public QQuickItem {
 	int m_currentRealIndex = -1;
 	int m_previewRealIndex = -1;
 
+	QQuickItem* m_currentItem = nullptr;
+
 	int m_centerBlockStart = 0;
 
 	QList<Slot> m_slots;