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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 <utils/qtcassert.h>
#include <QLineEdit>
#include <QPen>
#include <QPixmapCache>
#include <QMouseEvent>
#include <QPainter>
namespace QmlDesigner {
IconCheckboxItemDelegate::IconCheckboxItemDelegate(QObject *parent,
const QIcon &checkedIcon,
const QIcon &uncheckedIcon)
: QStyledItemDelegate(parent),
m_checkedIcon(checkedIcon),
m_uncheckedIcon(uncheckedIcon)
{}
QSize IconCheckboxItemDelegate::sizeHint(const QStyleOptionViewItem & /*option*/,
const QModelIndex & /*modelIndex*/) const
{
return QSize(15, 20);
}
static bool isChecked(const QModelIndex &modelIndex)
{
return modelIndex.model()->data(modelIndex, Qt::CheckStateRole) == Qt::Checked;
}
static bool isVisible(const QModelIndex &modelIndex)
{
return modelIndex.model()->data(modelIndex, ItemIsVisibleRole).toBool();
}
static ModelNode getModelNode(const QModelIndex &modelIndex)
{
return modelIndex.model()->data(modelIndex, ModelNodeRole).value<ModelNode>();
}
static bool rowIsPropertyRole(const QAbstractItemModel *model, const QModelIndex &modelIndex)
{
return model->data(modelIndex, RowIsPropertyRole).toBool();
}
void IconCheckboxItemDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &styleOption,
const QModelIndex &modelIndex) const
{
if (rowIsPropertyRole(modelIndex.model(), modelIndex))
return; //Do not paint icons for property rows
if (styleOption.state & QStyle::State_Selected)
NavigatorTreeView::drawSelectionBackground(painter, styleOption);
if (!getModelNode(modelIndex).isRootNode()) {
QWindow *window = dynamic_cast<QWidget*>(painter->device())->window()->windowHandle();
QTC_ASSERT(window, return);
const QRect iconRect(styleOption.rect.left() + 2, styleOption.rect.top() + 2, 16, 16);
const QIcon &icon = isChecked(modelIndex) ? m_checkedIcon : m_uncheckedIcon;
const QPixmap iconPixmap = icon.pixmap(window, iconRect.size());
const bool visible = isVisible(modelIndex);
if (!visible) {
painter->save();
painter->setOpacity(0.5);
}
painter->drawPixmap(iconRect.topLeft(), iconPixmap);
if (!visible)
painter->restore();
}
}
} // namespace QmlDesigner
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