128 lines
4.4 KiB
C++
128 lines
4.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2019 WandererFan <wandererfan@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef DRAWINGGUI_QGRAPHICSITEMLEADERLINE_H
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#define DRAWINGGUI_QGRAPHICSITEMLEADERLINE_H
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#include <QObject>
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#include <QGraphicsView>
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#include <QStyleOptionGraphicsItem>
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#include <QGraphicsItem>
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#include <QGraphicsObject>
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#include <QPainterPath>
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#include <QColor>
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#include <QFont>
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#include <QPointF>
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#include <Base/Vector3D.h>
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#include "QGIView.h"
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namespace TechDraw {
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class DrawLeaderLine;
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class DrawView;
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}
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namespace TechDrawGui
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{
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class QGIPrimPath;
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class QGIArrow;
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class QGEPath;
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//*******************************************************************
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class TechDrawGuiExport QGILeaderLine : public QGIView
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{
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Q_OBJECT
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public:
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enum {Type = QGraphicsItem::UserType + 232};
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explicit QGILeaderLine(QGraphicsItem* myParent = nullptr,
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TechDraw::DrawLeaderLine* lead = nullptr);
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~QGILeaderLine() = default;
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int type() const override { return Type;}
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virtual void paint( QPainter * painter,
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const QStyleOptionGraphicsItem * option,
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QWidget * widget = 0 ) override;
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virtual QRectF boundingRect() const override;
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virtual QPainterPath shape(void) const override;
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double getEdgeFuzz(void) const;
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virtual void drawBorder() override;
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virtual void updateView(bool update = false) override;
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virtual TechDraw::DrawLeaderLine* getFeature(void);
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QGEPath* getLeaderLine(void) { return m_line; }
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std::vector<QPointF> waypointsToQPoints(void);
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std::vector<QPointF> waypointsToQPoints(std::vector<Base::Vector3d> pts);
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void startPathEdit(void);
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void setArrows(std::vector<QPointF> pathPoints);
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void abandonEdit(void);
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void closeEdit(void);
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public Q_SLOTS:
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void onLineEditFinished(QPointF attach, std::vector<QPointF> deltas); //QGEPath is finished editing points
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void onAttachMoved(QPointF attach);
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void select(bool state);
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void hover(bool state);
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virtual void onSourceChange(TechDraw::DrawView* newParent) override;
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Q_SIGNALS:
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void editComplete(void); //tell caller that edit session is finished
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protected:
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virtual void draw() override;
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virtual QVariant itemChange( GraphicsItemChange change,
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const QVariant &value ) override;
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std::vector<QPointF> m_pathPoints;
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Base::Vector3d m_attachPoint;
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void saveState(void);
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void restoreState(void);
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protected:
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QColor getNormalColor() override;
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QGraphicsItem* m_parentItem; //<<< this never changes!
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QGEPath* m_line;
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QGIArrow* m_arrow1;
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QGIArrow* m_arrow2;
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double m_lineWidth;
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QColor m_lineColor;
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Qt::PenStyle m_lineStyle;
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bool m_hasHover;
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double m_saveX;
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double m_saveY;
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std::vector<Base::Vector3d> m_savePoints;
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bool m_blockDraw; //prevent redraws while updating.
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};
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}
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#endif // DRAWINGGUI_QGRAPHICSITEMLEADERLINE_H
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