HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/legend/legendlayout_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

Jani Honkonen - - Load All Authors

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r2104:f8a933676fbd


                r2427:b3d485323aa9

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             legendlayout_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

      ** $QT_END_LICENSE$

      **

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

      #ifndef LEGENDLAYOUT_H

      #define LEGENDLAYOUT_H

      #include <QGraphicsLayout>

      #include "qchartglobal.h"

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class QLegend;

      class LegendLayout : public QGraphicsLayout

      {

      public:

          LegendLayout(QLegend *legend);

          virtual ~LegendLayout();

          void setGeometry(const QRectF &rect);

          void setOffset(qreal x, qreal y);

          QPointF offset() const;

          void invalidate();

      protected:

          QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

          int count() const { return 0; }

          QGraphicsLayoutItem *itemAt(int) const { return 0; };

          void removeAt(int) {};

      private:

          void setAttachedGeometry(const QRectF &rect);

          void setDettachedGeometry(const QRectF &rect);

      private:

          QLegend *m_legend;

          qreal m_offsetX;

          qreal m_offsetY;

          qreal m_minOffsetX;

          qreal m_minOffsetY;

          qreal m_maxOffsetX;

          qreal m_maxOffsetY;

          qreal m_width;

          qreal m_height;

      };

      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
				** $QT_END_LICENSE$
				**
				****************************************************************************/

				#ifndef LEGENDLAYOUT_H
				#define LEGENDLAYOUT_H
				#include <QGraphicsLayout>
				#include "qchartglobal.h"

				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				class QLegend;

				class LegendLayout : public QGraphicsLayout
				{
				public:

				LegendLayout(QLegend *legend);
				virtual ~LegendLayout();

				void setGeometry(const QRectF &rect);

				void setOffset(qreal x, qreal y);
				QPointF offset() const;

				void invalidate();
				protected:
				QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
				int count() const { return 0; }
				QGraphicsLayoutItem *itemAt(int) const { return 0; };
				void removeAt(int) {};

				private:
				void setAttachedGeometry(const QRectF &rect);
				void setDettachedGeometry(const QRectF &rect);

				private:
				QLegend *m_legend;
				qreal m_offsetX;
				qreal m_offsetY;
				qreal m_minOffsetX;
				qreal m_minOffsetY;
				qreal m_maxOffsetX;
				qreal m_maxOffsetY;
				qreal m_width;
				qreal m_height;
				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif