valentina/widgets/vgraphicssimpletextitem.cpp

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#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);
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this->setAcceptHoverEvents(true);
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}
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);
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}
void VGraphicsSimpleTextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event){
Q_UNUSED(event);
this->setBrush(Qt::green);
}
void VGraphicsSimpleTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event){
Q_UNUSED(event);
this->setBrush(Qt::black);
}