29 lines
1.2 KiB
C++
29 lines
1.2 KiB
C++
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#include "vgraphicssimpletextitem.h"
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#include <QGraphicsScene>
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VGraphicsSimpleTextItem::VGraphicsSimpleTextItem(QGraphicsItem * parent):QGraphicsSimpleTextItem(parent){
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}
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VGraphicsSimpleTextItem::VGraphicsSimpleTextItem( const QString & text, QGraphicsItem * parent ):QGraphicsSimpleTextItem(text, parent){
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this->setFlag(QGraphicsItem::ItemIsMovable, true);
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this->setFlag(QGraphicsItem::ItemIsSelectable, true);
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this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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}
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QVariant VGraphicsSimpleTextItem::itemChange(GraphicsItemChange change, const QVariant &value){
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if (change == ItemPositionChange && scene()) {
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// value - это новое положение.
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QPointF newPos = value.toPointF();
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QRectF rect = scene()->sceneRect();
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if (!rect.contains(newPos)) {
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// Сохраняем элемент внутри прямоугольника сцены.
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newPos.setX(qMin(rect.right(), qMax(newPos.x(), rect.left())));
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newPos.setY(qMin(rect.bottom(), qMax(newPos.y(), rect.top())));
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emit NameChangePosition(newPos);
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return newPos;
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}
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emit NameChangePosition(newPos);
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}
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return QGraphicsItem::itemChange(change, value);
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}
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