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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Overlay/SizeHandle.h
//! @brief Defines class SizeHandle.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_VIEW_OVERLAY_SIZEHANDLE_H
#define BORNAGAIN_GUI_VIEW_OVERLAY_SIZEHANDLE_H
#include <QGraphicsObject>
//! Size handle on top of RectangleOverlay represented as small circle or small rectangle.
//! Placed either in corners on in the middle of the edge.
class SizeHandle : public QGraphicsObject {
Q_OBJECT
public:
SizeHandle(int i, QGraphicsObject* parent = nullptr);
void updateHandlePosition(const QRectF& rect);
QRectF boundingRect() const override;
public slots:
virtual void update_view();
signals:
void requestResizing(bool going_to_resize);
void requestEnactResize(int i, QPointF pos);
private:
void paint(QPainter* painter, const QStyleOptionGraphicsItem*, QWidget*) override;
void mousePressEvent(QGraphicsSceneMouseEvent* event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent* event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent* event) override;
int m_i; //!< Ordinal number. Handlers are numbered clockwise from top left.
};
#endif // BORNAGAIN_GUI_VIEW_OVERLAY_SIZEHANDLE_H
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