valentina/src/libs/vwidgets/vgraphicssimpletextitem.h

/************************************************************************
 **
 **  @file   vgraphicssimpletextitem.h
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   November 15, 2013
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentina project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Valentina project
 **  <https://gitlab.com/smart-pattern/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/>.
 **
 *************************************************************************/

#ifndef VGRAPHICSSIMPLETEXTITEM_H
#define VGRAPHICSSIMPLETEXTITEM_H

#include <qcompilerdetection.h>
#include <QGraphicsItem>
#include <QGraphicsSimpleTextItem>
#include <QMetaObject>
#include <QObject>
#include <QPointF>
#include <QString>
#include <QVariant>
#include <QtGlobal>

#include "../vmisc/def.h"

/**
 * @brief The VGraphicsSimpleTextItem class pointer label.
 */
class VGraphicsSimpleTextItem : public QObject, public QGraphicsSimpleTextItem
{
    Q_OBJECT
public:
    explicit VGraphicsSimpleTextItem(QGraphicsItem *parent = nullptr);
    explicit VGraphicsSimpleTextItem( const QString & text, QGraphicsItem *parent = nullptr );
    virtual ~VGraphicsSimpleTextItem() =default;

    virtual int  type() const override {return Type;}
    enum { Type = UserType + static_cast<int>(Vis::GraphicsSimpleTextItem)};

    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                       QWidget *widget = nullptr) override;

    void setEnabled(bool enabled);
    void LabelSelectionType(const SelectionType &type);

    void SetShowParentTooltip(bool show);

    void SetRealPos(const QPointF &pos);

    QColor BaseColor() const;
    void   SetBaseColor(const QColor &baseColor);

    void SetDestination(const QPointF &destination);

signals:
    /**
     * @brief NameChangePosition emit when label change position.
     * @param pos new posotion.
     */
    void         NameChangePosition(const QPointF &pos);
    /**
     * @brief ShowContextMenu emit when need show tool context menu.
     * @param event context menu event.
     */
    void         ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
    void         DeleteTool();
    void         PointChoosed();
    void         PointSelected(bool selected);
protected:
    virtual QVariant itemChange ( GraphicsItemChange change, const QVariant &value ) override;
    virtual void hoverEnterEvent ( QGraphicsSceneHoverEvent *event ) override;
    virtual void hoverLeaveEvent ( QGraphicsSceneHoverEvent *event ) override;
    virtual void contextMenuEvent ( QGraphicsSceneContextMenuEvent *event ) override;
    virtual void mousePressEvent( QGraphicsSceneMouseEvent * event ) override;
    virtual void mouseReleaseEvent ( QGraphicsSceneMouseEvent * event ) override;
    virtual void keyReleaseEvent ( QKeyEvent * event ) override;
private:
    SelectionType selectionType;
    qreal         m_oldScale;
    bool          m_showParentTooltip;
    QPointF       m_realPos{};
    QColor        m_baseColor{Qt::black};
    QPointF       m_destination{};

    void Init();

    void CorrectLabelPosition();
};

#endif // VGRAPHICSSIMPLETEXTITEM_H