115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program 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 this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#ifndef RS_ACTIONDRAWARCTANGENTIAL_H
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#define RS_ACTIONDRAWARCTANGENTIAL_H
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#include "rs_previewactioninterface.h"
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class RS_AtomicEntity;
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struct RS_ArcData;
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/**
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* This action class can handle user events to draw
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* arcs with three points given.
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*
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* @author Andrew Mustun
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*/
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class RS_ActionDrawArcTangential : public RS_PreviewActionInterface {
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Q_OBJECT
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public:
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/**
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* Action States.
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*/
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enum Status {
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SetBaseEntity, /**< Setting base entity. */
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SetEndAngle /**< Setting end angle. */
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};
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public:
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RS_ActionDrawArcTangential(RS_EntityContainer& container,
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RS_GraphicView& graphicView);
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~RS_ActionDrawArcTangential() override;
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void reset();
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void init(int status=0) override;
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void trigger() override;
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void preparePreview();
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void mouseMoveEvent(QMouseEvent* e) override;
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void mouseReleaseEvent(QMouseEvent* e) override;
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void coordinateEvent(RS_CoordinateEvent* e) override;
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void commandEvent(RS_CommandEvent* e) override;
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QStringList getAvailableCommands() override;
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void hideOptions() override;
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void showOptions() override;
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void updateMouseButtonHints() override;
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void updateMouseCursor() override;
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void setRadius(double r);
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double getRadius() const;
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void setAngle(double r) {
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angleLength= r;
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}
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double getAngle() const {
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return angleLength;
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}
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void setByRadius(bool status=true);
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bool getByRadius() const{
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return byRadius;
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}
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protected:
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/**
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* Base entity.
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*/
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RS_AtomicEntity* baseEntity;
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/**
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* Start point of base entity clicked?
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*/
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bool isStartPoint;
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/**
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* Point that determines end angle.
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*/
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std::unique_ptr<RS_Vector> point;
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/**
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* Arc data calculated.
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*/
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std::unique_ptr<RS_ArcData> data;
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private:
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double angleLength;
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bool byRadius;
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};
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#endif
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