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114 lines
3.5 KiB
114 lines
3.5 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard 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, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard 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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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UBGRAPHICSRULER_H_
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#define UBGRAPHICSRULER_H_
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#include <QtGui>
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#include <QtSvg>
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#include "core/UB.h"
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#include "domain/UBItem.h"
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#include "tools/UBAbstractDrawRuler.h"
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class UBGraphicsScene;
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class UBGraphicsRuler : public UBAbstractDrawRuler, public QGraphicsRectItem, public UBItem
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{
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Q_OBJECT;
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public:
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UBGraphicsRuler();
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virtual ~UBGraphicsRuler();
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enum { Type = UBGraphicsItemType::RulerItemType };
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virtual int type() const
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{
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return Type;
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}
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virtual UBItem* deepCopy() const;
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virtual void copyItemParameters(UBItem *copy) const;
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virtual void StartLine(const QPointF& position, qreal width);
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virtual void DrawLine(const QPointF& position, qreal width);
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virtual void EndLine();
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protected:
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virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget);
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virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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// Events
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
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virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
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void paintGraduations(QPainter *painter);
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private:
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bool mResizing;
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bool mRotating;
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// Helpers
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void fillBackground(QPainter *painter);
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void paintRotationCenter(QPainter *painter);
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virtual void rotateAroundCenter(qreal angle);
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QGraphicsSvgItem* mRotateSvgItem;
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QGraphicsSvgItem* mResizeSvgItem;
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void updateResizeCursor();
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QCursor resizeCursor() const{return mResizeCursor;}
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virtual QPointF rotationCenter() const;
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virtual QRectF resizeButtonRect() const;
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virtual QRectF closeButtonRect() const;
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virtual QRectF rotateButtonRect() const;
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virtual UBGraphicsScene* scene() const;
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QCursor mResizeCursor;
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int drawLineDirection;
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// Constants
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static const QRect sDefaultRect;
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static const int sMinLength = 150; // 3sm
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static const int sMaxLength = 35000; // 700sm
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qreal mStrokeWidth;
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};
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#endif /* UBGRAPHICSRULER_H_ */
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