1 /**************************************************************************** 2 ** 3 ** This file is part of the LibreCAD project, a 2D CAD program 4 ** 5 ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl) 6 ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved. 7 ** 8 ** 9 ** This file may be distributed and/or modified under the terms of the 10 ** GNU General Public License version 2 as published by the Free Software 11 ** Foundation and appearing in the file gpl-2.0.txt included in the 12 ** packaging of this file. 13 ** 14 ** This program is distributed in the hope that it will be useful, 15 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 16 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 ** GNU General Public License for more details. 18 ** 19 ** You should have received a copy of the GNU General Public License 20 ** along with this program; if not, write to the Free Software 21 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 ** 23 ** This copyright notice MUST APPEAR in all copies of the script! 24 ** 25 **********************************************************************/ 26 27 #ifndef RS_ACTIONDRAWCIRCLE_H 28 #define RS_ACTIONDRAWCIRCLE_H 29 30 #include "rs_previewactioninterface.h" 31 32 struct RS_CircleData; 33 34 /** 35 * This action class can handle user events to draw 36 * circles with a given center and a point on the circle line. 37 * 38 * @author Andrew Mustun 39 */ 40 class RS_ActionDrawCircle : public RS_PreviewActionInterface { 41 Q_OBJECT 42 public: 43 /** 44 * Action States. 45 */ 46 enum Status { 47 SetCenter, /**< Setting the center point. */ 48 SetRadius /**< Setting the radius. */ 49 }; 50 51 public: 52 RS_ActionDrawCircle(RS_EntityContainer& container, 53 RS_GraphicView& graphicView); 54 ~RS_ActionDrawCircle() override; 55 56 void reset(); 57 58 void init(int status=0) override; 59 60 void trigger() override; 61 62 void mouseMoveEvent(QMouseEvent* e) override; 63 void mouseReleaseEvent(QMouseEvent* e) override; 64 65 void coordinateEvent(RS_CoordinateEvent* e) override; 66 void commandEvent(RS_CommandEvent* e) override; 67 QStringList getAvailableCommands() override; 68 69 void hideOptions() override; 70 void showOptions() override; 71 72 void updateMouseButtonHints() override; 73 void updateMouseCursor() override; 74 75 protected: 76 /** 77 * Circle data defined so far. 78 */ 79 std::unique_ptr<RS_CircleData> data; 80 }; 81 82 #endif 83