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OpenBoard/src/domain/UBGraphicsWebView.cpp

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/*
* Copyright (C) 2012 Webdoc SA
*
* This file is part of Open-Sankoré.
*
* Open-Sankoré is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation, version 2,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* Open-Sankoré is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with Open-Sankoré; if not, see
* <http://www.gnu.org/licenses/>.
*/
#include <QtGui>
#include <QtWebKit>
#include "UBGraphicsWebView.h"
#include "UBGraphicsScene.h"
#include "UBGraphicsItemDelegate.h"
#include "UBGraphicsDelegateFrame.h"
#include "core/memcheck.h"
UBGraphicsWebView::UBGraphicsWebView(QGraphicsItem* parent)
: QGraphicsWebView(parent)
{
setData(UBGraphicsItemData::ItemLayerType, UBItemLayerType::Object);
mDelegate = new UBGraphicsItemDelegate(this, 0, true);
mDelegate->init();
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
QGraphicsWebView::setAcceptHoverEvents(true);
}
UBGraphicsWebView::~UBGraphicsWebView()
{
if (mDelegate)
delete mDelegate;
}
QVariant UBGraphicsWebView::itemChange(GraphicsItemChange change, const QVariant &value)
{
if ((change == QGraphicsItem::ItemSelectedHasChanged) && scene()) {
if (isSelected())
scene()->setActiveWindow(this);
else
if(scene()->activeWindow() == this)
scene()->setActiveWindow(0);
}
QVariant newValue = mDelegate->itemChange(change, value);
return QGraphicsWebView::itemChange(change, newValue);
}
void UBGraphicsWebView::setUuid(const QUuid &pUuid)
{
UBItem::setUuid(pUuid);
setData(UBGraphicsItemData::ItemUuid, QVariant(pUuid)); //store item uuid inside the QGraphicsItem to fast operations with Items on the scene
}
void UBGraphicsWebView::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (!mDelegate->mousePressEvent(event))
setSelected(true); /* forcing selection */
QGraphicsWebView::mousePressEvent(event);
}
void UBGraphicsWebView::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (!mDelegate->mouseMoveEvent(event))
QGraphicsWebView::mouseMoveEvent(event);
}
void UBGraphicsWebView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
mDelegate->mouseReleaseEvent(event);
QGraphicsWebView::mouseReleaseEvent(event);
}
void UBGraphicsWebView::wheelEvent(QGraphicsSceneWheelEvent *event)
{
if (mDelegate->weelEvent(event))
{
QGraphicsWebView::wheelEvent(event);
event->accept();
}
}
void UBGraphicsWebView::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
/* NOOP */
}
void UBGraphicsWebView::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
/* NOOP */
}
void UBGraphicsWebView::setDelegate(UBGraphicsItemDelegate* pDelegate)
{
if (mDelegate)
delete mDelegate;
mDelegate = pDelegate;
}
void UBGraphicsWebView::resize(qreal w, qreal h)
{
UBGraphicsWebView::resize(QSizeF(w, h));
}
void UBGraphicsWebView::resize(const QSizeF & pSize)
{
if (pSize != size()) {
QGraphicsWebView::setMaximumSize(pSize.width(), pSize.height());
QGraphicsWebView::resize(pSize.width(), pSize.height());
if (mDelegate)
mDelegate->positionHandles();
if (scene())
scene()->setModified(true);
}
}
QSizeF UBGraphicsWebView::size() const
{
return QGraphicsWebView::size();
}
UBGraphicsScene* UBGraphicsWebView::scene()
{
return static_cast<UBGraphicsScene*>(QGraphicsItem::scene());
}
void UBGraphicsWebView::remove()
{
if (mDelegate)
mDelegate->remove(true);
}