Eberhard Graether
9d0b86ad98
* add inheritance edges between parents of active symbol and other visible symbols * add dashed inheritance edges when symbols are no direct decendants * inheritance edges are also respected in layouting, putting base/derived classes in the correct top/bottom spot now bug id = 167
73 lines
1.4 KiB
C++
73 lines
1.4 KiB
C++
#ifndef QT_LINE_ITEM_BASE_H
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#define QT_LINE_ITEM_BASE_H
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#include <QGraphicsItem>
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#include "utility/math/Vector4.h"
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#include "component/view/GraphViewStyle.h"
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class QtLineItemBase
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: public QGraphicsLineItem
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{
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public:
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enum Route
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{
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ROUTE_ANY,
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ROUTE_HORIZONTAL,
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ROUTE_VERTICAL
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};
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enum Pivot
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{
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PIVOT_THIRD,
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PIVOT_MIDDLE
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};
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QtLineItemBase(QGraphicsItem* parent);
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virtual ~QtLineItemBase();
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void updateLine(
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Vec4i ownerRect, Vec4i targetRect,
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Vec4i ownerParentRect, Vec4i targetParentRect,
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GraphViewStyle::EdgeStyle style,
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size_t weight, bool showArrow);
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void setRoute(Route route);
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void setPivot(Pivot pivot);
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void setOnFront(bool front);
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void setOnBack(bool back);
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void setHorizontalIn(bool horizontal);
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protected:
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QPolygon getPath() const;
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int getDirection(const QPointF& a, const QPointF& b) const;
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QRectF getArrowBoundingRect(const QPolygon& poly) const;
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void drawArrow(const QPolygon& poly, QPainterPath* path, QPainterPath* arrowPath = nullptr) const;
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void getPivotPoints(Vec2f* p, const Vec4i& in, const Vec4i& out, int offset, bool target) const;
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GraphViewStyle::EdgeStyle m_style;
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bool m_showArrow;
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bool m_onFront;
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bool m_onBack;
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bool m_horizontalIn;
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Route m_route;
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Pivot m_pivot;
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private:
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Vec4i m_ownerRect;
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Vec4i m_targetRect;
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Vec4i m_ownerParentRect;
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Vec4i m_targetParentRect;
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mutable QPolygon m_polygon;
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};
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#endif // QT_LINE_ITEM_BASE_H
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