diff options
author | Gunnar Sletta <gunnar.sletta@nokia.com> | 2011-09-13 08:54:45 +0200 |
---|---|---|
committer | Gunnar Sletta <gunnar.sletta@nokia.com> | 2011-09-13 08:54:45 +0200 |
commit | b62bd0584a7872b6917917009b707785b3abd077 (patch) | |
tree | 9981f274712c098cabbff0c4667672a3934e5393 /src/widgets/graphicsview/qgraphicsscenelinearindex.cpp | |
parent | 5e10745dca1d10025404a9f268f03ae697fb10cc (diff) | |
parent | 97baad65f65783d2b5ff938f6217aec9434f2e5f (diff) |
Merge branch 'refactor'
Conflicts:
mkspecs/qws/linux-lsb-g++/qmake.conf
src/gui/image/qpixmap_mac.cpp
src/gui/painting/qpaintengine_x11.cpp
src/gui/painting/qtessellator.cpp
src/gui/text/qfontengine_qws.cpp
src/gui/text/qfontengine_x11.cpp
src/gui/widgets/qlinecontrol.cpp
src/opengl/qgl.h
src/opengl/qgl_x11egl.cpp
src/plugins/plugins.pro
Change-Id: If52dcd55cd55f2983a756c2f843967702b60a310
Diffstat (limited to 'src/widgets/graphicsview/qgraphicsscenelinearindex.cpp')
-rw-r--r-- | src/widgets/graphicsview/qgraphicsscenelinearindex.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/widgets/graphicsview/qgraphicsscenelinearindex.cpp b/src/widgets/graphicsview/qgraphicsscenelinearindex.cpp new file mode 100644 index 0000000000..9a4b3389bc --- /dev/null +++ b/src/widgets/graphicsview/qgraphicsscenelinearindex.cpp @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \class QGraphicsSceneLinearIndex + \brief The QGraphicsSceneLinearIndex class provides an implementation of + a linear indexing algorithm for discovering items in QGraphicsScene. + \since 4.6 + \ingroup graphicsview-api + \internal + + QGraphicsSceneLinearIndex index is default linear implementation to discover items. + It basically store all items in a list and return them to the scene. + + \sa QGraphicsScene, QGraphicsView, QGraphicsSceneIndex, QGraphicsSceneBspTreeIndex +*/ + +#include <private/qgraphicsscenelinearindex_p.h> + +/*! + \fn QGraphicsSceneLinearIndex::QGraphicsSceneLinearIndex(QGraphicsScene *scene = 0): + + Construct a linear index for the given \a scene. +*/ + +/*! + \fn QList<QGraphicsItem *> QGraphicsSceneLinearIndex::items(Qt::SortOrder order = Qt::DescendingOrder) const; + + Return all items in the index and sort them using \a order. +*/ + + +/*! + \fn virtual QList<QGraphicsItem *> QGraphicsSceneLinearIndex::estimateItems(const QRectF &rect, Qt::SortOrder order) const + + Returns an estimation visible items that are either inside or + intersect with the specified \a rect and return a list sorted using \a order. +*/ + +/*! + \fn void QGraphicsSceneLinearIndex::clear() + \internal + Clear the all the BSP index. +*/ + +/*! + \fn virtual void QGraphicsSceneLinearIndex::addItem(QGraphicsItem *item) + + Add the \a item into the index. +*/ + +/*! + \fn virtual void QGraphicsSceneLinearIndex::removeItem(QGraphicsItem *item) + + Add the \a item from the index. +*/ + |