HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/legend/legendscroller_p.h

Fix crash when changing the values to empty model with logarithmic axis...

Fix crash when changing the values to empty model with logarithmic axis One zero or negative value invalidates the whole layout for logarithmic axes, but this wasn't taken into account when replacing the points. Task-number: QTRD-1914 Reviewed-by: Mika Salmela

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             legendscroller_p.h
        
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      /****************************************************************************

      **

      ** Copyright (C) 2012 Digia Plc

      ** All rights reserved.

      ** For any questions to Digia, please use contact form at http://qt.digia.com

      **

      ** This file is part of the Qt Commercial Charts Add-on.

      **

      ** $QT_BEGIN_LICENSE$

      ** Licensees holding valid Qt Commercial licenses may use this file in

      ** accordance with the Qt Commercial License Agreement provided with the

      ** Software or, alternatively, in accordance with the terms contained in

      ** a written agreement between you and Digia.

      **

      ** If you have questions regarding the use of this file, please use

      ** contact form at http://qt.digia.com

      ** $QT_END_LICENSE$

      **

      ****************************************************************************/

      //  W A R N I N G

      //  -------------

      //

      // This file is not part of the QtCommercial Chart API.  It exists purely as an

      // implementation detail.  This header file may change from version to

      // version without notice, or even be removed.

      //

      // We mean it.

      #ifndef LEGENDSCROLLER_P_H

      #define LEGENDSCROLLER_P_H

      #include "qlegend.h"

      #include "qlegend_p.h"

      #include "scroller_p.h"

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class LegendScroller: public QLegend, public Scroller

      {

          Q_OBJECT

      public:

          LegendScroller(QChart *chart);

          void setOffset(const QPointF &point);

          QPointF offset() const;

          void mousePressEvent(QGraphicsSceneMouseEvent *event);

          void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

          void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif

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				/****************************************************************************
				**
				** Copyright (C) 2012 Digia Plc
				** All rights reserved.
				** For any questions to Digia, please use contact form at http://qt.digia.com
				**
				** This file is part of the Qt Commercial Charts Add-on.
				**
				** $QT_BEGIN_LICENSE$
				** Licensees holding valid Qt Commercial licenses may use this file in
				** accordance with the Qt Commercial License Agreement provided with the
				** Software or, alternatively, in accordance with the terms contained in
				** a written agreement between you and Digia.
				**
				** If you have questions regarding the use of this file, please use
				** contact form at http://qt.digia.com
				** $QT_END_LICENSE$
				**
				****************************************************************************/

				// W A R N I N G
				// -------------
				//
				// This file is not part of the QtCommercial Chart API. It exists purely as an
				// implementation detail. This header file may change from version to
				// version without notice, or even be removed.
				//
				// We mean it.


				#ifndef LEGENDSCROLLER_P_H
				#define LEGENDSCROLLER_P_H

				#include "qlegend.h"
				#include "qlegend_p.h"
				#include "scroller_p.h"

				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				class LegendScroller: public QLegend, public Scroller
				{
				Q_OBJECT

				public:
				LegendScroller(QChart *chart);

				void setOffset(const QPointF &point);
				QPointF offset() const;

				void mousePressEvent(QGraphicsSceneMouseEvent *event);
				void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
				void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif