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/***************************************************************************
* Copyright (C) 2003-2005 by David Saxton *
* david@bluehaze.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#ifndef CONNECTOR_H
#define CONNECTOR_H
#include <tqcanvas.h>
#include <tqguardedptr.h>
#include <tqvaluevector.h>
class Cell;
class ConnectorData;
class ConnectorLine;
class ConRouter;
class CNItem;
class ICNDocument;
class Node;
class NodeGroup;
class Wire;
typedef TQValueList<ConnectorLine*> ConnectorLineList;
typedef TQValueList<TQPoint> TQPointList;
typedef TQValueVector<TQGuardedPtr<Wire> > WireVector;
/**
@short Represents a connection between two Nodes on a ICNDocument
@author David Saxton
*/
class Connector : public TQObject, public TQCanvasPolygon
{
Q_OBJECT
public:
Connector( Node * startNode, Node * endNode, ICNDocument *_ICNDocument, TQString *id = 0L );
~Connector();
virtual int rtti() const;
/**
* Node at start of connector (which refers to this as the output connector)
*/
Node * startNode() const { return m_startNode; }
/**
* Node at end of connector (which refers to this as the input connector)
*/
Node * endNode() const { return m_endNode; }
/**
* @returns connector data describing this connector
*/
ConnectorData connectorData() const;
/**
* Restore the state of the connector (route, etc) from the saved data
*/
void restoreFromConnectorData( const ConnectorData &connectorData );
/**
* If selected, will be drawn in a different colour
*/
virtual void setSelected( bool yes );
/**
* Connected id
*/
TQString id() const { return m_id; }
/**
* Update the list of lines and connetion-points that the connector uses for
* drawing.
*/
void updateDrawList();
/**
* Tells the connector that it is under the control of a NodeGroup. When
* the connector is under the control of a NodeGroup, all requests for
* connection rerouting will be passed onto that NodeGroup
*/
void setNodeGroup( NodeGroup *nodeGroup ) { p_nodeGroup = nodeGroup; }
/**
* Returns the NodeGroup that the connector is under the control of (if any)
*/
NodeGroup *nodeGroup() const { return p_nodeGroup; }
/**
* ICNDocument needs to know what 'cells' a connector is present in,
* so that connection mapping can be done to avoid connectors.
* This function will add the hit penalty to the cells pointed to
* by ICNDocument::cells()
*/
void updateConnectorPoints( bool add );
/**
* Sets the canvas points that the connector should route itself along.
* This is used for manual routing. The cells points are absolute positions
* (unlike the points stored internally in this class, which are the cell poisition
* @param setManual if true then the connector will change to a manual route one
* @param checkEndPoints if true then will check to see if the end points are at the nodes, and adds them if not
*/
void setRoutePoints( TQPointList pointList, bool setManual, bool checkEndPoints = false );
/**
* Call this function (e.g. when moving a CNItem connected to the connector)
* to make the connector partially hidden - probably grayed out - if semiHidden
* is true.
*/
void setSemiHidden( bool semiHidden );
/**
* Sets the container parent (i.e. the container of the parent item)
*/
void setParentContainer( const TQString &cnItemId );
/**
* Returns a pointer to the parent item container
*/
CNItem *parentContainer() const { return p_parentContainer; }
/**
* @returns whether the points have been set by the user manually defining them
*/
bool usesManualPoints() const { return b_manualPoints; }
/**
* Returns two sets of points (in canvas-reference) that define the connector
* from start to finish, when it is split at the given point (in canvas-reference)
*/
TQValueList<TQPointList> splitConnectorPoints( const TQPoint &pos ) const;
/**
* @returns pointer to ICNDocument that this connector is a member of
*/
ICNDocument *icnDocument() const { return p_icnDocument; }
/**
* Looks at the set of canvas points and tries to determine whether they are
* in the reverse order from start to end node
*/
bool pointsAreReverse( const TQPointList &pointList ) const;
/**
* Returns the points, given in canvas-reference, in order of start node to
* end node if reverse is false
* @param reverse whether or not to reverse the points from start node to end node
*/
TQPointList connectorPoints( bool reverse = false ) const;
/**
* Reroute the connector. Note that if this connector is controlled by a
* NodeGroup, it will do nothing (other than print out a warning)
*/
void rerouteConnector();
/**
* Translates the route by the given amoumt. No checking is done to see if
* the translation is useful, etc.
*/
void translateRoute( int dx, int dy );
virtual void setVisible( bool yes );
WireVector wires() const { return m_wires; }
unsigned numWires() const { return m_wires.size(); }
Wire * wire( unsigned num = 0 ) const { return (num < m_wires.size()) ? m_wires[num] : 0l; }
signals:
void removed( Connector *connector );
void selected( bool yes );
void numWiresChanged( unsigned newNum );
public slots:
void removeConnector( Node* = 0L );
/**
* Takes the minimum pin count of the start and end nodes, and creates a
* connector for each pin up to that minimum.
*/
void syncWiresWithNodes();
protected:
void updateConnectorLines();
bool m_bIsSyncingWires;
bool b_semiHidden;
TQGuardedPtr<Node> m_startNode;
TQGuardedPtr<Node> m_endNode;
NodeGroup *p_nodeGroup;
CNItem *p_parentContainer;
ICNDocument *p_icnDocument;
ConRouter *m_conRouter;
TQString m_id;
ConnectorLineList m_connectorLineList;
TQRect m_oldBoundRect;
WireVector m_wires;
bool b_deleted;
bool b_manualPoints;
bool b_pointsAdded;
};
typedef TQValueList<TQGuardedPtr<Connector> > ConnectorList;
//BEGIN ConnectorLine things
class ConnectorLine : public TQObject, public TQCanvasLine
{
public:
ConnectorLine( Connector *connector );
Connector *parent() const { return p_connector; }
virtual int rtti() const;
protected:
Connector *p_connector;
};
//END ConnectorLine things
#endif
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