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actions/rs_actiondrawline.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2019 A. Stebich (librecad@mail.lordofbikes.de)
+** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
+** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file gpl-2.0.txt included in the
+** packaging of this file.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+**
+** This copyright notice MUST APPEAR in all copies of the script!
+**
+**********************************************************************/
+
+#ifndef RS_ACTIONDRAWLINE_H
+#define RS_ACTIONDRAWLINE_H
+
+#include "rs_previewactioninterface.h"
+
+/**
+ * This action class can handle user events to draw
+ * simple lines with the start- and endpoint given.
+ *
+ * @author Andrew Mustun
+ */
+class RS_ActionDrawLine : public RS_PreviewActionInterface
+{
+    Q_OBJECT
+
+public:
+    /// Action States
+    enum Status {
+        SetStartpoint,   ///< Setting the startpoint
+        SetEndpoint      ///< Setting the endpoint
+    };
+
+    /// History Actions
+    enum HistoryAction {
+        HA_SetStartpoint,   ///< Setting the startpoint
+        HA_SetEndpoint,     ///< Setting the endpoint
+        HA_Close,           ///< Close group of lines
+        HA_Next             ///< Start new group of lines
+    };
+
+public:
+    RS_ActionDrawLine(RS_EntityContainer& container,
+                      RS_GraphicView& graphicView);
+    ~RS_ActionDrawLine() override;
+
+    void reset();
+
+    void init(int status=0) override;
+    void trigger() override;
+
+    void mouseMoveEvent(QMouseEvent* e) override;
+    void mouseReleaseEvent(QMouseEvent* e) override;
+
+    void coordinateEvent(RS_CoordinateEvent* e) override;
+    void commandEvent(RS_CommandEvent* e) override;
+    QStringList getAvailableCommands() override;
+
+    void showOptions() override;
+    void hideOptions() override;
+
+    void updateMouseButtonHints() override;
+    void updateMouseCursor() override;
+    void addHistory(RS_ActionDrawLine::HistoryAction a, const RS_Vector& p, const RS_Vector& c, const int s);
+
+    void close();
+    void next();
+    void undo();
+    void redo();
+
+protected:
+    struct History;
+    struct Points;
+    std::unique_ptr<Points> pPoints;
+};
+
+#endif