diff options
Diffstat (limited to 'examples/graphicsview/flowlayout/flowlayout.cpp')
| -rw-r--r-- | examples/graphicsview/flowlayout/flowlayout.cpp | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/examples/graphicsview/flowlayout/flowlayout.cpp b/examples/graphicsview/flowlayout/flowlayout.cpp index d1676bc..d36c37f 100644 --- a/examples/graphicsview/flowlayout/flowlayout.cpp +++ b/examples/graphicsview/flowlayout/flowlayout.cpp @@ -1,3 +1,44 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + #include "flowlayout.h" #include <QtGui/qwidget.h> #include <QtCore/qmath.h> @@ -33,6 +74,7 @@ QGraphicsLayoutItem *FlowLayout::itemAt(int index) const void FlowLayout::removeAt(int index) { m_items.removeAt(index); + invalidate(); } qreal FlowLayout::spacing(Qt::Orientation o) const @@ -54,7 +96,7 @@ void FlowLayout::setGeometry(const QRectF &geom) doLayout(geom, true); } -qreal FlowLayout::doLayout(const QRectF &geom, bool applyNewGeometry) +qreal FlowLayout::doLayout(const QRectF &geom, bool applyNewGeometry) const { QPointF tl = geom.topLeft(); qreal maxw = geom.width(); @@ -98,15 +140,14 @@ QSizeF FlowLayout::minSize(const QSizeF &constraint) const qreal left, top, right, bottom; getContentsMargins(&left, &top, &right, &bottom); if (constraint.width() > 0) { // height for width - FlowLayout *that = const_cast<FlowLayout *>(this); - qreal height = that->doLayout(QRectF(QPointF(0,0), constraint), false); + qreal height = doLayout(QRectF(QPointF(0,0), constraint), false); size = QSizeF(constraint.width(), height); } else { QGraphicsLayoutItem *item; foreach (item, m_items) size = size.expandedTo(item->effectiveSizeHint(Qt::MinimumSize)); size += QSize(left + right, top + bottom); - } + } return size; } |