QNonScalableGraphicsTextItem.cpp

/**
 * \file
 * \author Karsten Rink
 * \date   no date
 * \brief  Implementation of the QNonScalableGraphicsTextItem class.
 *
 * \copyright
 * Copyright (c) 2012-2019, OpenGeoSys Community (http://www.opengeosys.org)
 *            Distributed under a Modified BSD License.
 *              See accompanying file LICENSE.txt or
 *              http://www.opengeosys.org/project/license
 *
 */

#include "QNonScalableGraphicsTextItem.h"
#include <QPainter>

/// Constructor using a QGraphicsTextItem.
QNonScalableGraphicsTextItem::QNonScalableGraphicsTextItem(QGraphicsItem* parent) :
    QGraphicsTextItem(parent)
{
    setAcceptDrops(true);
    setAcceptHoverEvents(true);
    setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
}

/// Constructor using a QString.
QNonScalableGraphicsTextItem::QNonScalableGraphicsTextItem(const QString & text,
                                                           QGraphicsItem* parent) :
    QGraphicsTextItem(parent)
{
    if (!text.isEmpty())
        setPlainText(text);
    setAcceptDrops(true);
    setAcceptHoverEvents(true);
    setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
}

QNonScalableGraphicsTextItem::~QNonScalableGraphicsTextItem() = default;

/// Paints the text item.
void QNonScalableGraphicsTextItem::paint(QPainter* painter,
                                         const QStyleOptionGraphicsItem* option,
                                         QWidget* widget)
{
    //painter->drawRect(boundingRect());
    QRectF rect = boundingRect();
    painter->translate(-rect.width() / 2, -rect.height() / 2);
    QGraphicsTextItem::paint(painter, option, widget);
}

/// Returns the bounding rectangle of the text item.
QRectF QNonScalableGraphicsTextItem::boundingRect() const
{
    QRectF rect = QGraphicsTextItem::boundingRect();
    return rect; //QRectF(rect.x()-rect.width()/2, rect.y()-rect.height()/2,rect.width(), rect.height());
}