feat: 添加ElaWidgetTool库

ElaWidgetTools/private/ElaScrollAreaPrivate.h

@@ -0,0 +1,19 @@
+#ifndef ELASCROLLAREAPRIVATE_H
+#define ELASCROLLAREAPRIVATE_H
+
+#include <QObject>
+#include <QScrollBar>
+
+#include "ElaProperty.h"
+class ElaScrollBar;
+class ElaScrollArea;
+class ElaScrollAreaPrivate : public QObject
+{
+    Q_OBJECT
+    Q_D_CREATE(ElaScrollArea)
+public:
+    explicit ElaScrollAreaPrivate(QObject* parent = nullptr);
+    ~ElaScrollAreaPrivate();
+};
+
+#endif // ELASCROLLAREAPRIVATE_H