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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 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 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "highlight.h"
#include <QtGui/QPainter>
#include <QtQuick/QQuickCanvas>
namespace QmlJSDebugger {
namespace QtQuick2 {
Highlight::Highlight(QQuickItem *item, QQuickItem *parent)
: QQuickPaintedItem(parent)
{
setItem(item);
}
void Highlight::setItem(QQuickItem *item)
{
if (m_item)
m_item.data()->disconnect(this);
if (item) {
connect(item, SIGNAL(xChanged()), SLOT(adjust()));
connect(item, SIGNAL(yChanged()), SLOT(adjust()));
connect(item, SIGNAL(widthChanged()), SLOT(adjust()));
connect(item, SIGNAL(heightChanged()), SLOT(adjust()));
connect(item, SIGNAL(rotationChanged()), SLOT(adjust()));
connect(item, SIGNAL(transformOriginChanged(TransformOrigin)),
SLOT(adjust()));
}
QQuickCanvas *view = item->canvas();
QQuickItem * rootItem = view->rootItem();
if (rootItem) {
connect(rootItem, SIGNAL(xChanged()), SLOT(adjust()));
connect(rootItem, SIGNAL(yChanged()), SLOT(adjust()));
connect(rootItem, SIGNAL(widthChanged()), SLOT(adjust()));
connect(rootItem, SIGNAL(heightChanged()), SLOT(adjust()));
connect(rootItem, SIGNAL(rotationChanged()), SLOT(adjust()));
connect(rootItem, SIGNAL(transformOriginChanged(TransformOrigin)),
SLOT(adjust()));
}
m_item = item;
adjust();
}
void Highlight::adjust()
{
const QQuickItem *item = m_item.data();
if (!item)
return;
bool success = false;
m_transform = item->itemTransform(0, &success);
if (!success)
m_transform = QTransform();
setSize(QSizeF(item->width(), item->height()));
qreal scaleFactor = 1;
QPointF originOffset = QPointF(0,0);
QQuickCanvas *view = item->canvas();
if (view->rootItem()) {
scaleFactor = view->rootItem()->scale();
originOffset -= view->rootItem()->pos();
}
// The scale transform for the overlay needs to be cancelled
// as the Item's transform which will be applied to the painter
// takes care of it.
parentItem()->setScale(1/scaleFactor);
setPos(originOffset);
setContentsSize(view->size());
update();
}
void HoverHighlight::paint(QPainter *painter)
{
if (!item())
return;
painter->save();
painter->setTransform(transform());
painter->setPen(QColor(108, 141, 221));
painter->drawRect(QRect(0, 0, item()->width() - 1, item()->height() - 1));
painter->restore();
}
void SelectionHighlight::paint(QPainter *painter)
{
if (!item())
return;
painter->save();
painter->setTransform(transform());
if (item()->height() >= 10 && item()->width() >= 10) {
QColor colorHighlight = Qt::green;
painter->fillRect(QRectF(0, 0, item()->width(), 5), colorHighlight);
painter->fillRect(QRectF(0, item()->height()-5, item()->width(), 5), colorHighlight);
painter->fillRect(QRectF(0, 5, 5, item()->height() - 10), colorHighlight);
painter->fillRect(QRectF(item()->width()-5, 5, 5, item()->height() - 10), colorHighlight);
}
painter->setPen(QPen(QColor(0, 22, 159)));
painter->drawRect(QRect(1, 1, item()->width() - 3, item()->height() - 3));
painter->setPen(QColor(158, 199, 255));
painter->drawRect(QRect(0, 0, item()->width() - 1, item()->height() - 1));
painter->restore();
}
} // namespace QtQuick2
} // namespace QmlJSDebugger
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