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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "assetimportupdatetreeitemdelegate.h"
#include "assetimportupdatetreemodel.h"
#include <QPainter>
#include <QModelIndex>
namespace QmlDesigner {
namespace Internal {
AssetImportUpdateTreeItemDelegate::AssetImportUpdateTreeItemDelegate(QObject *parent)
: QItemDelegate(parent)
{
}
AssetImportUpdateTreeItemDelegate::LayoutInfo AssetImportUpdateTreeItemDelegate::getLayoutInfo(
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
LayoutInfo info;
info.option = setOptions(index, option);
const bool checkable = (index.model()->flags(index) & Qt::ItemIsUserCheckable);
info.checkState = Qt::Unchecked;
if (checkable) {
QVariant checkStateData = index.data(Qt::CheckStateRole);
info.checkState = static_cast<Qt::CheckState>(checkStateData.toInt());
info.checkRect = doCheck(info.option, info.option.rect, checkStateData);
}
info.textRect = info.option.rect.adjusted(0, 0, info.checkRect.width(), 0);
doLayout(info.option, &info.checkRect, &info.iconRect, &info.textRect, false);
return info;
}
void AssetImportUpdateTreeItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
painter->save();
const LayoutInfo info = getLayoutInfo(option, index);
painter->setFont(info.option.font);
drawBackground(painter, info.option, index);
drawText(painter, info.option, info.textRect, index);
drawCheck(painter, info.option, info.checkRect, info.checkState);
painter->restore();
}
QSize AssetImportUpdateTreeItemDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
const LayoutInfo info = getLayoutInfo(option, index);
const int height = index.data(Qt::SizeHintRole).value<QSize>().height();
// get text width, see QItemDelegatePrivate::displayRect
const QString text = index.data(Qt::DisplayRole).toString();
const QRect textMaxRect(0, 0, INT_MAX / 256, height);
const QRect textLayoutRect = textRectangle(nullptr, textMaxRect, info.option.font, text);
const QRect textRect(info.textRect.x(), info.textRect.y(), textLayoutRect.width(), height);
const QRect layoutRect = info.checkRect | textRect;
return QSize(layoutRect.x(), layoutRect.y()) + layoutRect.size();
}
void AssetImportUpdateTreeItemDelegate::drawText(QPainter *painter,
const QStyleOptionViewItem &option,
const QRect &rect,
const QModelIndex &index) const
{
const QString text = index.data(Qt::DisplayRole).toString();
drawDisplay(painter, option, rect, text);
}
} // namespace Internal
} // namespace QmlDesigner
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