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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#include "iconcheckboxitemdelegate.h"
#include <qmath.h>
#include "navigatorview.h"
#include "navigatortreeview.h"
#include "navigatortreemodel.h"
#include "qproxystyle.h"
#include "metainfo.h"
#include <QLineEdit>
#include <QPen>
#include <QPixmapCache>
#include <QMouseEvent>
#include <QPainter>
namespace QmlDesigner {
IconCheckboxItemDelegate::IconCheckboxItemDelegate(QObject *parent,
const QPixmap &checkedPixmap,
const QPixmap &uncheckedPixmap,
NavigatorTreeModel *treeModel)
: QStyledItemDelegate(parent),
m_checkedPixmap(checkedPixmap),
m_uncheckedPixmap(uncheckedPixmap),
m_navigatorTreeModel(treeModel)
{}
static bool indexIsHolingModelNode(const QModelIndex &modelIndex)
{
return modelIndex.data(NavigatorTreeModel::InternalIdRole).isValid();
}
QSize IconCheckboxItemDelegate::sizeHint(const QStyleOptionViewItem & /*option*/,
const QModelIndex &modelIndex) const
{
if (indexIsHolingModelNode(modelIndex))
return QSize(15, 20);
return QSize();
}
static bool isChecked(NavigatorTreeModel *navigatorTreeMode, const QModelIndex &modelIndex)
{
return navigatorTreeMode->itemFromIndex(modelIndex)->checkState() == Qt::Checked;
}
void IconCheckboxItemDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &styleOption,
const QModelIndex &modelIndex) const
{
const int yOffset = (styleOption.rect.height()
- (m_checkedPixmap.height() / painter->device()->devicePixelRatio())) / 2;
const int xOffset = 2;
if (indexIsHolingModelNode(modelIndex)) {
painter->save();
if (styleOption.state & QStyle::State_Selected)
NavigatorTreeView::drawSelectionBackground(painter, styleOption);
if (!m_navigatorTreeModel->nodeForIndex(modelIndex).isRootNode()) {
if (m_navigatorTreeModel->isNodeInvisible(modelIndex))
painter->setOpacity(0.5);
const bool checked = isChecked(m_navigatorTreeModel, modelIndex);
painter->drawPixmap(styleOption.rect.x() + xOffset, styleOption.rect.y() + yOffset,
checked ? m_checkedPixmap : m_uncheckedPixmap);
}
painter->restore();
}
}
} // namespace QmlDesigner
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