fix weird behavior when zooming at the same time of création of shape item

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4251 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/diagramevent/diagrameventaddshape.h

@@ -0,0 +1,51 @@
+/*
+	Copyright 2006-2015 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef DIAGRAMEVENTADDSHAPE_H
+#define DIAGRAMEVENTADDSHAPE_H
+
+#include "diagrameventinterface.h"
+#include "qetshapeitem.h"
+
+/**
+ * @brief The DiagramEventAddShape class
+ * This event manage the creation of a shape.
+ */
+class DiagramEventAddShape : public DiagramEventInterface
+{
+		Q_OBJECT
+
+	public:
+		DiagramEventAddShape(Diagram *diagram, QetShapeItem::ShapeType shape_type);
+
+		virtual ~DiagramEventAddShape();
+		virtual bool mousePressEvent       (QGraphicsSceneMouseEvent *event);
+		virtual bool mouseMoveEvent        (QGraphicsSceneMouseEvent *event);
+		virtual bool mouseReleaseEvent     (QGraphicsSceneMouseEvent *event);
+		virtual bool mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event);
+		virtual void init();
+
+	private:
+		void updateHelpCross (const QPointF &p);
+
+	protected:
+		QetShapeItem::ShapeType  m_shape_type;
+		QetShapeItem            *m_shape_item;
+		QGraphicsLineItem       *m_help_horiz, *m_help_verti;
+};
+
+#endif // DIAGRAMEVENTADDSHAPE_H