cross ref item : grow the size of the cross according to the number of linked elements

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2923 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetgraphicsitem/crossrefitem.h

@@ -1,10 +1,34 @@
+/*
+	Copyright 2006-2014 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 CROSSREFITEM_H
 #define CROSSREFITEM_H
 
 #include "qetgraphicsitem/qetgraphicsitem.h"
 class element;
 
-
+/**
+ * @brief The CrossRefItem class
+ * This clas provide an item, for show the cross reference, like the contacts linked to a coil.
+ * The item setpos automaticaly when parent move.
+ * All slave displayed in cross ref will be updated when folio position change in the project.
+ * It's the responsability of the parent to informe displayed slave are moved,
+ * by calling the slot @updateLabel
+ */
 class CrossRefItem : public QetGraphicsItem
 {
 	Q_OBJECT
@@ -28,11 +52,13 @@ class CrossRefItem : public QetGraphicsItem
 	virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *e);
 
 	private:
+	void setUpBoundingRect();
 	void fillCrossRef(QPainter *painter);
 
 	//Attributes
 	private:
 	Element *element_; //element to display the cross reference
+	QRectF bounding_rect_;
 	QPicture drawing_;
 	bool b;