40 lines
1.6 KiB
C++
40 lines
1.6 KiB
C++
#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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this->setAcceptHoverEvents(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() + this->parentItem()->pos();
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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 - this->parentItem()->pos());
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// return newPos - this->parentItem()->pos();
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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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void VGraphicsSimpleTextItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event){
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Q_UNUSED(event);
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this->setBrush(Qt::green);
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}
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void VGraphicsSimpleTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event){
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Q_UNUSED(event);
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this->setBrush(Qt::black);
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}
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