fix BRect calc for non-custom items

src/Mod/TechDraw/Gui/QGCustomBorder.cpp

@@ -0,0 +1,75 @@
+/***************************************************************************
+ *   Copyright (c) 2016 WandererFan <wandererfan@gmail.com>                *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  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 Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+#include <assert.h>
+#include <QGraphicsScene>
+#include <QGraphicsSceneHoverEvent>
+#include <QMouseEvent>
+#include <QPainter>
+#include <QStyleOptionGraphicsItem>
+#endif
+
+#include <App/Application.h>
+#include <App/Material.h>
+#include <Base/Console.h>
+#include <Base/Parameter.h>
+
+#include <qmath.h>
+#include <QRectF>
+#include "QGCustomBorder.h"
+
+using namespace TechDrawGui;
+
+QGCustomBorder::QGCustomBorder()
+{
+    setCacheMode(QGraphicsItem::NoCache);
+}
+
+void QGCustomBorder::centerAt(QPointF centerPos)
+{
+    QRectF box = boundingRect();
+    double width = box.width();
+    double height = box.height();
+    double newX = centerPos.x() - width/2.;
+    double newY = centerPos.y() - height/2.;
+    setPos(newX,newY);
+}
+
+void QGCustomBorder::centerAt(double cX, double cY)
+{
+    QRectF box = boundingRect();
+    double width = box.width();
+    double height = box.height();
+    double newX = cX - width/2.;
+    double newY = cY - height/2.;
+    setPos(newX,newY);
+}
+
+
+void QGCustomBorder::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
+    QStyleOptionGraphicsItem myOption(*option);
+    myOption.state &= ~QStyle::State_Selected;
+
+    QGraphicsRectItem::paint (painter, &myOption, widget);
+}