feat: 添加ElaWidgetTool库

ElaWidgetTools/private/ElaDrawerAreaPrivate.cpp

@@ -0,0 +1,18 @@
+#include "ElaDrawerAreaPrivate.h"
+#include "ElaDrawerArea.h"
+
+ElaDrawerAreaPrivate::ElaDrawerAreaPrivate(QObject* parent)
+    : QObject(parent)
+{
+}
+
+ElaDrawerAreaPrivate::~ElaDrawerAreaPrivate()
+{
+}
+
+void ElaDrawerAreaPrivate::onDrawerHeaderClicked(bool isExpand)
+{
+    Q_Q(ElaDrawerArea);
+    _drawerContainer->doDrawerAnimation(isExpand);
+    Q_EMIT q->expandStateChanged(isExpand);
+}