diff --git a/libs/xassets/xwindowdef.cpp b/libs/xassets/xwindowdef.cpp
new file mode 100644
index 0000000..4668b77
--- /dev/null
+++ b/libs/xassets/xwindowdef.cpp
@@ -0,0 +1,55 @@
+#include "xwindowdef.h"
+
+XWindowDef::XWindowDef()
+    : XAsset()
+    , mName("")
+    , mRect()
+    , mRectClient()
+    , mGroup("")
+    , mStyle(0)
+    , mBorder(0)
+    , mOwnerDraw(0)
+    , mOwnerDrawFlags(0)
+    , mBorderSize(0.0f)
+    , mStaticFlags(0)
+    , mDynamicFlags(4)
+    , mNextTime(0)
+    , mForeColor()
+    , mBackColor()
+    , mBorderColor()
+    , mOutlineColor()
+    , mBackground(new XMaterial())
+{
+
+}
+
+XWindowDef::~XWindowDef()
+{
+
+}
+
+void XWindowDef::ParseData(QDataStream *aStream)
+{
+
+}
+
+void XWindowDef::Clear()
+{
+    mName.clear();
+    mRect.Clear();
+    mRectClient.Clear();
+    mGroup.clear();
+    mStyle = 0;
+    mBorder = 0;
+    mOwnerDraw = 0;
+    mOwnerDrawFlags = 0;
+    mBorderSize = 0.0f;
+    mStaticFlags = 0;
+    mDynamicFlags = QVector<int>(4);
+    mNextTime = 0;
+    mForeColor = QColor();
+    mBackColor = QColor();
+    mBorderColor = QColor();
+    mOutlineColor = QColor();
+    mBackground->Clear();
+}