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/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include <QGraphicsItem>
QT_FORWARD_DECLARE_CLASS(QPainterPath)
namespace qmt {
class IWindable;
class PathSelectionItem : public QGraphicsItem
{
class GraphicsHandleItem;
friend class GraphicsHandleItem;
enum HandleStatus {
Press,
Move,
Release,
Cancel
};
enum HandleQualifier {
None,
DeleteHandle
};
public:
explicit PathSelectionItem(IWindable *windable, QGraphicsItem *parent = nullptr);
~PathSelectionItem() override;
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
QPainterPath shape() const override;
QSizeF pointSize() const { return m_pointSize; }
void setPointSize(const QSizeF &size);
QList<QPointF> points() const;
void setPoints(const QList<QPointF> &points);
void setSecondarySelected(bool secondarySelected);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
private:
bool isEndHandle(int pointIndex) const;
void update();
void moveHandle(int pointIndex, const QPointF &deltaMove, HandleStatus handleStatus,
HandleQualifier handleQualifier);
void keyPressed(int pointIndex, QKeyEvent *event, const QPointF &pos);
IWindable *m_windable = nullptr;
QSizeF m_pointSize;
bool m_isSecondarySelected = false;
QList<GraphicsHandleItem *> m_handles;
GraphicsHandleItem *m_focusHandleItem = nullptr;
QPointF m_originalHandlePos;
};
} // namespace qmt
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