valentina_old/src/app/widgets/vmaingraphicsscene.cpp

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/************************************************************************
**
** @file vmaingraphicsscene.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date November 15, 2013
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
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#include "vmaingraphicsscene.h"
#include <QGraphicsSceneMouseEvent>
#include <QList>
#include <QGraphicsItem>
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//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VMainGraphicsScene default constructor.
*/
VMainGraphicsScene::VMainGraphicsScene()
:QGraphicsScene(), horScrollBar(0), verScrollBar(0), scaleFactor(1), _transform(QTransform()), scenePos(QPointF())
{}
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//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VMainGraphicsScene constructor.
* @param sceneRect scene rect.
* @param parent parent object.
*/
VMainGraphicsScene::VMainGraphicsScene(const QRectF & sceneRect, QObject * parent)
:QGraphicsScene ( sceneRect, parent ), horScrollBar(0), verScrollBar(0), scaleFactor(1), _transform(QTransform()),
scenePos(QPointF())
{}
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//---------------------------------------------------------------------------------------------------------------------
/**
* @brief mouseMoveEvent handle mouse move events.
* @param event mouse move event.
*/
void VMainGraphicsScene::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
scenePos = event->scenePos();
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emit mouseMove(event->scenePos());
QGraphicsScene::mouseMoveEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief mousePressEvent mouse press events.
* @param event mouse press event
*/
void VMainGraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
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emit mousePress(event->scenePos());
QGraphicsScene::mousePressEvent(event);
}
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//---------------------------------------------------------------------------------------------------------------------
QPointF VMainGraphicsScene::getScenePos() const
{
return scenePos;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief transform return view transformation.
* @return view transformation.
*/
QTransform VMainGraphicsScene::transform() const
{
return _transform;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief setTransform set view transformation.
* @param transform view transformation.
*/
void VMainGraphicsScene::setTransform(const QTransform &transform)
{
_transform = transform;
}
//---------------------------------------------------------------------------------------------------------------------
void VMainGraphicsScene::SetDisable(bool disable)
{
emit DisableItem(disable);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief ChoosedItem emit ChoosedObject signal.
* @param id object id.
* @param type object scene type.
*/
void VMainGraphicsScene::ChoosedItem(quint32 id, const SceneObject &type)
{
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emit ChoosedObject(id, type);
}
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//---------------------------------------------------------------------------------------------------------------------
/**
* @brief SetFactor set current scale factor of scene.
* @param factor scene scale factor. scene scale factor.
*/
void VMainGraphicsScene::SetFactor(qreal factor)
{
scaleFactor=scaleFactor*factor;
emit NewFactor(scaleFactor);
}