58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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#pragma once
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#include "abstractNodeGeometry.h"
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#include <QtGui/QFontMetrics>
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class AbstractGraphModel;
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class BasicGraphicsScene;
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class DefaultVerticalNodeGeometry : public AbstractNodeGeometry
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{
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public:
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DefaultVerticalNodeGeometry(AbstractGraphModel &graphModel);
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public:
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QSize size(NodeId const nodeId) const override;
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void recomputeSize(NodeId const nodeId) const override;
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QPointF portPosition(NodeId const nodeId,
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PortType const portType,
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PortIndex const index) const override;
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QPointF portTextPosition(NodeId const nodeId,
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PortType const portType,
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PortIndex const PortIndex) const override;
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QPointF captionPosition(NodeId const nodeId) const override;
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QRectF captionRect(NodeId const nodeId) const override;
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QPointF widgetPosition(NodeId const nodeId) const override;
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QRect resizeHandleRect(NodeId const nodeId) const override;
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private:
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QRectF portTextRect(NodeId const nodeId,
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PortType const portType,
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PortIndex const portIndex) const;
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/// Finds
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unsigned int maxHorizontalPortsExtent(NodeId const nodeId) const;
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unsigned int maxPortsTextAdvance(NodeId const nodeId, PortType const portType) const;
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unsigned int portCaptionsHeight(NodeId const nodeId, PortType const portType) const;
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private:
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// Some variables are mutable because we need to change drawing
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// metrics corresponding to fontMetrics but this doesn't change
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// constness of the Node.
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mutable unsigned int _portSize;
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unsigned int _portSpasing;
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mutable QFontMetrics _fontMetrics;
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mutable QFontMetrics _boldFontMetrics;
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};
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