Fixes: Added linear scene index class. Not used yet.

2 files changed, 111 insertions, 0 deletions

diff --git a/src/gui/graphicsview/graphicsview.pri b/src/gui/graphicsview/graphicsview.pri
index f0bdddc..bc4d9dd 100644
--- a/src/gui/graphicsview/graphicsview.pri
+++ b/src/gui/graphicsview/graphicsview.pri
@@ -7,6 +7,7 @@ HEADERS += \
         graphicsview/qgraphicsscene.h \
         graphicsview/qgraphicsscene_p.h \
         graphicsview/qgraphicsscene_bsp_p.h \
+        graphicsview/qgraphicsscene_linear_p.h \
         graphicsview/qgraphicssceneindex.h \
         graphicsview/qgraphicssceneevent.h \
         graphicsview/qgraphicsview_p.h \
diff --git a/src/gui/graphicsview/qgraphicsscene_linear_p.h b/src/gui/graphicsview/qgraphicsscene_linear_p.h
new file mode 100644
index 0000000..1ef1902
--- /dev/null
+++ b/src/gui/graphicsview/qgraphicsscene_linear_p.h
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSSCENELINEARINDEX_P_H
+#define QGRAPHICSSCENELINEARINDEX_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qlist.h>
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+#include <QtCore/qrect.h>
+#include <QtCore/qlist.h>
+#include <QtGui/qgraphicssceneindex.h>
+#include <QtGui/qgraphicsitem.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_AUTOTEST_EXPORT QGraphicsSceneLinearIndex : public QGraphicsSceneIndex
+{
+private:
+    QRectF m_sceneRect;
+    QList<QGraphicsItem*> m_items;
+
+public:
+    QGraphicsSceneLinearIndex(): QGraphicsSceneIndex() {
+    }
+
+    virtual void setRect(const QRectF &rect) {
+        m_sceneRect = rect;
+    }
+
+    virtual QRectF rect() const {
+        return m_sceneRect;
+    }
+
+    virtual void clear() {
+        m_items.clear();
+    }
+
+    virtual void insertItem(QGraphicsItem *item) {
+        m_items << item;
+    }
+
+    virtual void removeItem(QGraphicsItem *item) {
+        m_items.removeAll(item);
+    }
+
+    virtual QList<QGraphicsItem *> items(const QRectF &rect) {
+        QList<QGraphicsItem*> result;
+        foreach (QGraphicsItem *item, m_items)
+            if (item->sceneBoundingRect().intersects(rect))
+                result << item;
+        return result;
+    }
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_GRAPHICSVIEW
+
+#endif // QGRAPHICSSCENELINEARINDEX_P_H