valentina/widgets/vgraphicssimpletextitem.cpp

#include "vgraphicssimpletextitem.h"
#include <QGraphicsScene>

VGraphicsSimpleTextItem::VGraphicsSimpleTextItem(QGraphicsItem * parent):QGraphicsSimpleTextItem(parent){
}

VGraphicsSimpleTextItem::VGraphicsSimpleTextItem( const QString & text, QGraphicsItem * parent ):QGraphicsSimpleTextItem(text, parent){
    this->setFlag(QGraphicsItem::ItemIsMovable, true);
    this->setFlag(QGraphicsItem::ItemIsSelectable, true);
    this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
    this->setAcceptHoverEvents(true);
}

QVariant VGraphicsSimpleTextItem::itemChange(GraphicsItemChange change, const QVariant &value){
     if (change == ItemPositionChange && scene()) {
         // value - это новое положение.
         QPointF newPos = value.toPointF();
         QRectF rect = scene()->sceneRect();
         if (!rect.contains(newPos)) {
             // Сохраняем элемент внутри прямоугольника сцены.
             newPos.setX(qMin(rect.right(), qMax(newPos.x(), rect.left())));
             newPos.setY(qMin(rect.bottom(), qMax(newPos.y(), rect.top())));
             emit NameChangePosition(newPos);
             return newPos;
         }
         emit NameChangePosition(newPos);
     }
     return QGraphicsItem::itemChange(change, value);
}

void VGraphicsSimpleTextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event){
    Q_UNUSED(event);
    this->setBrush(Qt::green);
}

void VGraphicsSimpleTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event){
    Q_UNUSED(event);
    this->setBrush(Qt::black);
}