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diff --git a/qmake/include/private/qlayoutengine_p.h b/qmake/include/private/qlayoutengine_p.h
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+++ b/qmake/include/private/qlayoutengine_p.h
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+/****************************************************************************
+** $Id$
+**
+** Internal header file.
+**
+** Created : 981027
+**
+** Copyright (C) 1998-99 by Trolltech AS.  All rights reserved.
+**
+** This file is part of the kernel module of the Qt GUI Toolkit.
+**
+** This file may be distributed under the terms of the Q Public License
+** as defined by Trolltech AS of Norway and appearing in the file
+** LICENSE.QPL included in the packaging of this file.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
+** licenses may use this file in accordance with the Qt Commercial License
+** Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+**   information about Qt Commercial License Agreements.
+** See http://www.trolltech.com/qpl/ for QPL licensing information.
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#ifndef QLAYOUTENGINE_P_H
+#define QLAYOUTENGINE_P_H
+
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of qlayout.cpp, qlayoutengine.cpp, qmainwindow.cpp and qsplitter.cpp.
+// This header file may change from version to version without notice,
+// or even be removed.
+//
+// We mean it.
+//
+//
+
+
+#ifndef QT_H
+#include "qabstractlayout.h"
+#endif // QT_H
+
+#ifndef QT_NO_LAYOUT
+
+struct QLayoutStruct
+{
+    void initParameters() {
+        minimumSize = sizeHint = 0;
+        maximumSize = QLAYOUTSIZE_MAX;
+        expansive = FALSE;
+        empty = TRUE;
+    }
+    void init() {
+        stretch = 0;
+        initParameters();
+    }
+
+    QCOORD smartSizeHint() {
+        return ( stretch > 0 ) ? minimumSize : sizeHint;
+    }
+
+    // permanent storage
+    int stretch;
+
+    // parameters
+    QCOORD sizeHint;
+    QCOORD maximumSize;
+    QCOORD minimumSize;
+    bool expansive;
+    bool empty;
+
+    // temporary storage
+    bool done;
+
+    // result
+    int pos;
+    int size;
+};
+
+
+Q_EXPORT void qGeomCalc( QMemArray<QLayoutStruct> &chain, int start, int count,
+                         int pos, int space, int spacer );
+Q_EXPORT QSize qSmartMinSize( const QWidgetItem *i );
+Q_EXPORT QSize qSmartMinSize( QWidget *w );
+Q_EXPORT QSize qSmartMaxSize( const QWidgetItem *i, int align = 0 );
+Q_EXPORT QSize qSmartMaxSize( QWidget *w, int align = 0 );
+
+
+/*
+  Modify total maximum (max) and total expansion (exp)
+  when adding boxmax/boxexp.
+
+  Expansive boxes win over non-expansive boxes.
+*/
+static inline void qMaxExpCalc( QCOORD & max, bool &exp,
+                                QCOORD boxmax, bool boxexp )
+{
+    if ( exp ) {
+        if ( boxexp )
+            max = QMAX( max, boxmax );
+    } else {
+        if ( boxexp )
+            max = boxmax;
+        else
+            max = QMIN( max, boxmax );
+    }
+    exp = exp || boxexp;
+}
+
+#endif //QT_NO_LAYOUT
+#endif