--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QTfrontend/qaspectratiolayout.h	Mon Dec 13 22:12:30 2010 +0300
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2009 Nokia Corporation.
+ */
+
+#ifndef QASPECTRATIOLAYOUT_H_
+#define QASPECTRATIOLAYOUT_H_
+
+#include <QLayout>
+#include <QPointer>
+#include <QRect>
+#include <QWidgetItem>
+#include <QLayoutItem>
+
+
+class QAspectRatioLayout : public QLayout
+{
+        Q_OBJECT
+
+public:
+        QAspectRatioLayout(QWidget* parent, int spacing =-1);
+        QAspectRatioLayout(int spacing = -1);
+        ~QAspectRatioLayout();
+
+        /* Convenience method */
+        virtual void add(QLayoutItem* item);
+
+/* http://doc.trolltech.com/qlayout.html#addItem */
+        virtual void addItem(QLayoutItem* item);
+        /* http://doc.trolltech.com/qlayout.html#addWidget */
+        virtual void addWidget(QWidget* widget);
+        /* http://doc.trolltech.com/qlayout.html#takeAt */
+        virtual QLayoutItem* takeAt(int index);
+        /* http://doc.trolltech.com/qlayout.html#itemAt */
+        virtual QLayoutItem* itemAt(int index) const;
+        /* http://doc.trolltech.com/qlayout.html#count */
+        virtual int count() const;
+
+        /*
+         * These are ours since we do have only one item.
+         */
+        virtual QLayoutItem* replaceItem(QLayoutItem* item);
+        virtual QLayoutItem* take();
+        virtual bool hasItem() const;
+
+/* http://doc.trolltech.com/qlayout.html#expandingDirections */
+        virtual Qt::Orientations expandingDirections() const;
+
+        /*
+         * This method contains most of the juice of this article.
+         * http://doc.trolltech.com/qlayoutitem.html#setGeometry
+         */
+        virtual void setGeometry(const QRect& rect);
+        /* http://doc.trolltech.com/qlayoutitem.html#geometry */
+        virtual QRect geometry();
+
+        /* http://doc.trolltech.com/qlayoutitem.html#sizeHint */
+        virtual QSize sizeHint() const;
+        /* http://doc.trolltech.com/qlayout.html#minimumSize */
+        virtual QSize minimumSize() const;
+        /* http://doc.trolltech.com/qlayoutitem.html#hasHeightForWidth */
+        virtual bool hasHeightForWidth() const;
+
+private:
+        /* Saves the last received rect. */
+        void setLastReceivedRect(const QRect& rect);
+        /* Used to initialize the object. */
+        void init(int spacing);
+        /* Calculates the maximum size for the item from the assigned size. */
+        QSize calculateProperSize(QSize from) const;
+        /* Calculates the center location from the assigned size and
+         * the items size. */
+        QPoint calculateCenterLocation(QSize from, QSize itemSize) const;
+        /* Check if two QRects are equal */
+        bool areRectsEqual(const QRect& a, const QRect& b) const;
+        /* Contains item reference */
+        QLayoutItem* item;
+        /*
+         * Used for caching so we won't do calculations every time
+         * setGeometry is called.
+         */
+        QRect* lastReceivedRect;
+        /* Contains geometry */
+        QRect* _geometry;
+
+};
+
+#endif /* QASPECTRATIOLAYOUT_H_ */