--- /dev/null
+#ifndef __CPEXTENSIONS__QT__QUADSPLITTER__H__
+#define __CPEXTENSIONS__QT__QUADSPLITTER__H__
+
+#include <cpExtensions/Config.h>
+
+#ifdef cpExtensions_Interface_QT4
+
+/**
+ * Inspired by:
+ * https://forum.qt.io/topic/7144/quad-splitter-windows-an-implementation/2
+ */
+
+#include <QFrame>
+#include <QSplitter>
+
+namespace cpExtensions
+{
+ namespace QT
+ {
+ /**
+ */
+ class QuadSplitter
+ : public QFrame
+ {
+ Q_OBJECT;
+
+ public:
+ QuadSplitter( QWidget* parent = 0, Qt::WindowFlags f = 0 );
+ virtual ~QuadSplitter( );
+
+ void show( );
+ void addWidgets( QWidget* a, QWidget* b, QWidget* c, QWidget* d );
+
+
+ private slots:
+ void _SyncBottom( int a, int b );
+ void _SyncUpper( int a, int b );
+
+ protected:
+ QSplitter m_Parent;
+ QSplitter m_Bottom;
+ QSplitter m_Upper;
+ };
+
+ } // ecapseman
+
+} // ecapseman
+
+#endif // cpExtensions_Interface_QT4
+
+#endif // __CPEXTENSIONS__QT__QUADSPLITTER__H__
+
+// eof - $RCSfile$