diff options
Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/recycledlistitem.cpp')
-rw-r--r-- | tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/recycledlistitem.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/recycledlistitem.cpp b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/recycledlistitem.cpp new file mode 100644 index 0000000000..c0aed25abb --- /dev/null +++ b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/recycledlistitem.cpp @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QGraphicsGridLayout> +#include <QDebug> + +#include "recycledlistitem.h" +#include "listmodel.h" + +static const int MinItemHeight = 70; +static const int MinItemWidth = 276; + +RecycledListItem::RecycledListItem(QGraphicsWidget *parent) + : AbstractViewItem(parent), + m_item(new ListItem(this)), + m_item2(0), + m_model(0), + m_layout(new QGraphicsGridLayout()) +{ + m_item->setMinimumWidth(MinItemWidth); + setContentsMargins(0,0,0,0); + setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); + m_layout->addItem(m_item, 0, 0); + setLayout(m_layout); + m_layout->setContentsMargins(0,0,0,0); + m_layout->setSpacing(0); + m_layout->setHorizontalSpacing(0.0); + m_layout->setVerticalSpacing(0.0); +} + +RecycledListItem::~RecycledListItem() +{ +} + +void RecycledListItem::setModel(QAbstractItemModel *model) +{ + m_model = model; +} + +/*virtual*/ +AbstractViewItem *RecycledListItem::newItemInstance() +{ + RecycledListItem* item = new RecycledListItem(); + return item; +} + +QSizeF RecycledListItem::effectiveSizeHint(Qt::SizeHint which, const QSizeF &constraint) const +{ + QSizeF s = m_item->effectiveSizeHint(which,constraint); + if (m_item2) + s.setWidth(s.width()*2); + if (s.height()<MinItemHeight) + s.setHeight(MinItemHeight); + return s; +} + +QVariant RecycledListItem::data(int role) const +{ + if (m_item && role == Qt::DisplayRole) + return m_item->data(); + + return QVariant(); +} + +void RecycledListItem::setData(const QVariant &value, int role) +{ + if (m_item && role == Qt::DisplayRole) { + m_item->setData(value); + if (m_item2) { + m_item2->setData(value); + } + } +} + +/*virtual*/ +void RecycledListItem::resizeEvent(QGraphicsSceneResizeEvent *event) +{ + AbstractViewItem::resizeEvent(event); +} + +void RecycledListItem::updateItemContents() +{ + AbstractViewItem::updateItemContents(); + if (m_model && m_index.isValid()) + setData(m_model->data(m_index,Qt::DisplayRole), Qt::DisplayRole); +} + +void RecycledListItem::setTwoColumns(const bool enabled) +{ + if (m_item2 && enabled) + return; + + if (enabled) { + m_item2 = new ListItem(); + m_item2->setMinimumWidth(MinItemWidth); + m_layout->addItem(m_item2, 0, 1); + updateItemContents(); + } + else { + if (m_layout->count() > 1) { + m_layout->removeAt(1); + } + delete m_item2; + m_item2 = 0; + } + + if (!m_layout->isActivated()) + m_layout->activate(); +} |