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2024-03-06 14:54:30 +08:00
commit edac2715f0
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--- a/actions/rs_actiondimlinear.h
+++ b/actions/rs_actiondimlinear.h
@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** 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_ACTIONDIMLINEAR_H
+#define RS_ACTIONDIMLINEAR_H
+
+#include "rs_actiondimension.h"
+
+struct RS_DimLinearData;
+
+/**
+ * This action class can handle user events to draw 
+ * aligned dimensions.
+ *
+ * @author Andrew Mustun
+ */
+class RS_ActionDimLinear : public RS_ActionDimension {
+	Q_OBJECT
+public:
+	/**
+	 * Varitions of this action.
+	 */
+	enum Variation {
+		AnyAngle,
+		Horizontal,
+		Vertical
+	};
+	 
+    /**
+     * Action States.
+     */
+    enum Status {
+        SetExtPoint1,    /**< Setting the 1st ext point.  */
+        SetExtPoint2,    /**< Setting the 2nd ext point. */
+        SetDefPoint,     /**< Setting the common def point. */
+		SetText,         /**< Setting the text label in the command line. */
+		SetAngle         /**< Setting the angle in the command line. */
+    };
+
+public:
+    RS_ActionDimLinear(RS_EntityContainer& container,
+                       RS_GraphicView& graphicView,
+                       double angle=0.0, bool fixedAngle=false,
+                       RS2::ActionType type = RS2::ActionDimLinear);
+	~RS_ActionDimLinear() override;
+	
+	void reset() override;
+
+	void trigger() override;
+	void preparePreview();
+	
+	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 hideOptions() override;
+	void showOptions() override;
+	
+	void updateMouseButtonHints() override;
+
+	double getAngle() const;
+
+	void setAngle(double a);
+
+	bool hasFixedAngle() const;
+
+protected:
+    /**
+     * Aligned dimension data.
+     */
+	std::unique_ptr<RS_DimLinearData> edata;
+    /**
+     * Is the angle fixed?
+     */
+    bool fixedAngle;
+
+	/** Last status before entering text or angle. */
+    Status lastStatus;
+};
+
+#endif