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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtPDF module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquicktableviewextra_p.h"
#include <QtQml>
#include <QQmlContext>
#include <QtQuick/private/qquicktableview_p.h>
Q_LOGGING_CATEGORY(qLcTVE, "qt.pdf.tableextra")
QT_BEGIN_NAMESPACE
/*!
\internal
\qmltype TableViewExtra
\instantiates QQuickTableViewExtra
\inqmlmodule QtQuick.Pdf
\ingroup pdf
\brief A helper class with missing TableView functions
\since 5.15
TableViewExtra provides equivalents for some functions that will be added
to TableView in Qt 6.
*/
QQuickTableViewExtra::QQuickTableViewExtra(QObject *parent) : QObject(parent)
{
}
QPoint QQuickTableViewExtra::cellAtPos(qreal x, qreal y) const
{
QPointF position(x, y);
#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
return m_tableView->cellAtPos(position);
#else
if (!m_tableView->boundingRect().contains(position))
return QPoint(-1, -1);
const QQuickItem *contentItem = m_tableView->contentItem();
for (const QQuickItem *child : contentItem->childItems()) {
const QPointF posInChild = m_tableView->mapToItem(child, position);
if (child->boundingRect().contains(posInChild)) {
const auto context = qmlContext(child);
const int column = context->contextProperty("column").toInt();
const int row = context->contextProperty("row").toInt();
return QPoint(column, row);
}
}
return QPoint(-1, -1);
#endif
}
QQuickItem *QQuickTableViewExtra::itemAtCell(const QPoint &cell) const
{
#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
return m_tableView->itemAtCell(cell);
#else
const QQuickItem *contentItem = m_tableView->contentItem();
for (QQuickItem *child : contentItem->childItems()) {
const auto context = qmlContext(child);
const int column = context->contextProperty("column").toInt();
const int row = context->contextProperty("row").toInt();
if (QPoint(column, row) == cell)
return child;
}
return nullptr;
#endif
}
void QQuickTableViewExtra::positionViewAtCell(const QPoint &cell, Qt::Alignment alignment, const QPointF &offset)
{
#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
m_tableView->positionViewAtCell(cell, alignment, offset);
#else
// Note: this fallback implementation assumes all cells to be of the same size!
if (cell.x() < 0 || cell.x() > m_tableView->columns() - 1)
return;
if (cell.y() < 0 || cell.y() > m_tableView->rows() - 1)
return;
Qt::Alignment verticalAlignment = alignment & (Qt::AlignTop | Qt::AlignVCenter | Qt::AlignBottom);
Qt::Alignment horizontalAlignment = alignment & (Qt::AlignLeft | Qt::AlignHCenter | Qt::AlignRight);
const QQuickItem *contentItem = m_tableView->contentItem();
const QQuickItem *randomChild = contentItem->childItems().first();
const qreal cellWidth = randomChild->width();
const qreal cellHeight = randomChild->height();
if (!verticalAlignment && !horizontalAlignment) {
qmlWarning(this) << "No valid alignment specified";
return;
}
if (horizontalAlignment) {
qreal newPosX = 0;
const qreal columnPosLeft = int(cell.x() * (cellWidth + m_tableView->columnSpacing()));
m_tableView->setContentX(0);
m_tableView->forceLayout();
m_tableView->setContentX(columnPosLeft);
m_tableView->forceLayout();
switch (horizontalAlignment) {
case Qt::AlignLeft:
newPosX = m_tableView->contentX() + offset.x();
break;
case Qt::AlignHCenter:
newPosX = m_tableView->contentX()
- m_tableView->width() / 2
+ (cellWidth / 2)
+ offset.x();
break;
case Qt::AlignRight:
newPosX = m_tableView->contentX()
- m_tableView->width()
+ cellWidth
+ offset.x();
break;
}
m_tableView->setContentX(newPosX);
m_tableView->forceLayout();
}
if (verticalAlignment) {
qreal newPosY = 0;
const qreal rowPosTop = int(cell.y() * (cellHeight + m_tableView->rowSpacing()));
m_tableView->setContentY(0);
m_tableView->forceLayout();
m_tableView->setContentY(rowPosTop);
m_tableView->forceLayout();
switch (verticalAlignment) {
case Qt::AlignTop:
newPosY = m_tableView->contentY() + offset.y();
break;
case Qt::AlignVCenter:
newPosY = m_tableView->contentY()
- m_tableView->height() / 2
+ (cellHeight / 2)
+ offset.y();
break;
case Qt::AlignBottom:
newPosY = m_tableView->contentY()
- m_tableView->height()
+ cellHeight
+ offset.y();
break;
}
m_tableView->setContentY(newPosY);
m_tableView->forceLayout();
}
#endif
}
QT_END_NAMESPACE
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