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Merge sources dir branch devel to trunk
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2613 bfdf4180-ca20-0410-9c96-a3a8aa849046
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scorpio810
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sources/qetgraphicsitem/conductor.h
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170
sources/qetgraphicsitem/conductor.h
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/*
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Copyright 2006-2013 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONDUCTOR_H
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#define CONDUCTOR_H
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#include <QtGui>
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#include "terminal.h"
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#include "conductorprofile.h"
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#include "conductorproperties.h"
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#include "qetdiagrameditor.h"
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class ConductorSegment;
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class ConductorTextItem;
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class Element;
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typedef QPair<QPointF, Qt::Corner> ConductorBend;
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typedef QHash<Qt::Corner, ConductorProfile> ConductorProfilesGroup;
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/**
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This class represents a conductor, i.e. a wire between two element
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terminals.
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*/
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class Conductor : public QObject, public QGraphicsPathItem {
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Q_OBJECT
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// constructors, destructor
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public:
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Conductor(Terminal *, Terminal *, Diagram * = 0);
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virtual ~Conductor();
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private:
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Conductor(const Conductor &);
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// attributes
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public:
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enum { Type = UserType + 1001 };
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enum Highlight { None, Normal, Alert };
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/// First terminal the wire is attached to
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Terminal *terminal1;
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/// Second terminal the wire is attached to
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Terminal *terminal2;
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// methods
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public:
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/**
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Enable the use of qgraphicsitem_cast to safely cast a QGraphicsItem into a
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Conductor.
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@return the QGraphicsItem type
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*/
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virtual int type() const { return Type; }
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void destroy();
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/// @return true if this conductor is destroyed
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bool isDestroyed() const { return(destroyed_); }
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Diagram *diagram() const;
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ConductorTextItem *textItem() const;
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void updatePath(const QRectF & = QRectF());
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void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
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QRectF boundingRect() const;
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virtual QPainterPath shape() const;
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virtual qreal nearDistance() const;
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virtual QPainterPath nearShape() const;
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virtual QPainterPath variableShape(const qreal &) const;
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virtual bool isNearConductor(const QPointF &);
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qreal length();
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ConductorSegment *middleSegment();
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bool containsPoint(const QPointF &) const;
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QString text() const;
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void setText(const QString &);
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static bool valideXml(QDomElement &);
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bool fromXml(QDomElement &);
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QDomElement toXml(QDomDocument &, QHash<Terminal *, int> &) const;
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const QList<ConductorSegment *> segmentsList() const;
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void setProperties(const ConductorProperties &);
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ConductorProperties properties() const;
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void setProfile(const ConductorProfile &, Qt::Corner);
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ConductorProfile profile(Qt::Corner) const;
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void setProfiles(const ConductorProfilesGroup &);
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ConductorProfilesGroup profiles() const;
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void readProperties();
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void adjustTextItemPosition();
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virtual Highlight highlight() const;
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virtual void setHighlighted(Highlight);
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void autoText();
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QSet<Conductor *> relatedPotentialConductors(QList <Terminal *> *t_list=0);
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QETDiagramEditor* diagramEditor() const;
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public slots:
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void displayedTextChanged();
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protected:
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
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virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *);
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virtual QVariant itemChange(GraphicsItemChange, const QVariant &);
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private:
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/// Functional properties
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ConductorProperties properties_;
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/// Whether this conductor is still valid
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bool destroyed_;
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/// Text input for non simple, non-singleline conductors
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ConductorTextItem *text_item;
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/// Segments composing the conductor
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ConductorSegment *segments;
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/// Attributs related to mouse interaction
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QPointF press_point;
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bool moving_point;
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bool moving_segment;
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int moved_point;
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qreal previous_z_value;
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ConductorSegment *moved_segment;
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QPointF before_mov_text_pos_;
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/// Whether the conductor was manually modified by users
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bool modified_path;
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/// Whether the current profile should be saved as soon as possible
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bool has_to_save_profile;
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/// conductor profile: "photography" of what the conductor is supposed to look
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/// like - there is one profile per kind of traject
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ConductorProfilesGroup conductor_profiles;
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/// QPen et QBrush objects used to draw conductors
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static QPen conductor_pen;
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static QBrush conductor_brush;
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static QBrush square_brush;
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static bool pen_and_brush_initialized;
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/// Scale factor to render square used to move segments
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qreal segments_squares_scale_;
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/// Define whether and how the conductor should be highlighted
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Highlight must_highlight_;
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private:
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void segmentsToPath();
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void saveProfile(bool = true);
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void generateConductorPath(const QPointF &, QET::Orientation, const QPointF &, QET::Orientation);
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void updateConductorPath(const QPointF &, QET::Orientation, const QPointF &, QET::Orientation);
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uint segmentsCount(QET::ConductorSegmentType = QET::Both) const;
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QList<QPointF> segmentsToPoints() const;
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QSet<Conductor *> relatedConductors() const;
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QList<ConductorBend> bends() const;
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QList<QPointF> junctions() const;
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void pointsToSegments(QList<QPointF>);
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bool hasClickedOn(QPointF, QPointF) const;
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void calculateTextItemPosition();
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Qt::Corner currentPathType() const;
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void deleteSegments();
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static int getCoeff(const qreal &, const qreal &);
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static int getSign(const qreal &);
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QHash<ConductorSegmentProfile *, qreal> shareOffsetBetweenSegments(const qreal &offset, const QList<ConductorSegmentProfile *> &, const qreal & = 0.01) const;
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static QPointF extendTerminal(const QPointF &, QET::Orientation, qreal = 9.0);
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static qreal conductor_bound(qreal, qreal, qreal, qreal = 0.0);
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static qreal conductor_bound(qreal, qreal, bool);
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static Qt::Corner movementType(const QPointF &, const QPointF &);
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static QPointF movePointIntoPolygon(const QPointF &, const QPainterPath &);
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};
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#endif
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