HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/legend/legendscroller.cpp

Add docs for nice number algorithm

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             legendscroller.cpp
        
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             / src / legend / legendscroller.cpp
          
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        sauimone
    
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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

      ** $QT_END_LICENSE$

      **

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

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      #include <QDebug>

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      #include <QGraphicsSceneMouseEvent>

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      #include <QGraphicsScene>

      #include <QLegendMarker>

      #include "qlegendmarker_p.h"

      #include "legendmarkeritem_p.h"

      #include "legendscroller_p.h"

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      QTCOMMERCIALCHART_BEGIN_NAMESPACE

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      LegendScroller::LegendScroller(QChart *chart) : QLegend(chart)

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      {

      }

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      void LegendScroller::setOffset(const QPointF &point)

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      {

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          d_ptr->setOffset(point);

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      }

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      QPointF LegendScroller::offset() const

      {

          return d_ptr->offset();

      }

      void LegendScroller::mousePressEvent(QGraphicsSceneMouseEvent *event)

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      {

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          Scroller::handleMousePressEvent(event);

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      }

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      void LegendScroller::mouseMoveEvent(QGraphicsSceneMouseEvent *event)

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      {

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          Scroller::handleMouseMoveEvent(event);

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      }

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      void LegendScroller::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

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      {

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          Scroller::handleMouseReleaseEvent(event);

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          if (!event->isAccepted()) {

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              QList<QGraphicsItem *> items = scene()->items(event->scenePos());

              foreach (QGraphicsItem *i, items) {

                  if (d_ptr->m_markerHash.contains(i)) {

                      QLegendMarker *marker = d_ptr->m_markerHash.value(i);

                      emit marker->clicked();

                  }

              }

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          event->accept();

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          }

      }

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      #include "moc_legendscroller_p.cpp"

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      QTCOMMERCIALCHART_END_NAMESPACE

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sauimone Legend can now handle clicked and do scrolling	r2183	/****************************************************************************
		**
		** 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
		** $QT_END_LICENSE$
		**
		****************************************************************************/

sauimone better implementation of mouse event handling in legend	r2197	#include <QDebug>
sauimone Legend can now handle clicked and do scrolling	r2183	#include <QGraphicsSceneMouseEvent>
sauimone better implementation of mouse event handling in legend	r2197	#include <QGraphicsScene>
		#include <QLegendMarker>
		#include "qlegendmarker_p.h"
		#include "legendmarkeritem_p.h"
		#include "legendscroller_p.h"
sauimone Legend can now handle clicked and do scrolling	r2183
		QTCOMMERCIALCHART_BEGIN_NAMESPACE

sauimone moving mouse event handling logic to scroller	r2199	LegendScroller::LegendScroller(QChart *chart) : QLegend(chart)
sauimone Legend can now handle clicked and do scrolling	r2183	{
		}

sauimone better implementation of mouse event handling in legend	r2197	void LegendScroller::setOffset(const QPointF &point)
sauimone Legend can now handle clicked and do scrolling	r2183	{
sauimone better implementation of mouse event handling in legend	r2197	d_ptr->setOffset(point);
sauimone Legend can now handle clicked and do scrolling	r2183	}

sauimone better implementation of mouse event handling in legend	r2197	QPointF LegendScroller::offset() const
		{
		return d_ptr->offset();
		}

		void LegendScroller::mousePressEvent(QGraphicsSceneMouseEvent *event)
sauimone Legend can now handle clicked and do scrolling	r2183	{
sauimone moving mouse event handling logic to scroller	r2199	Scroller::handleMousePressEvent(event);
sauimone Legend can now handle clicked and do scrolling	r2183	}

sauimone better implementation of mouse event handling in legend	r2197	void LegendScroller::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
sauimone Legend can now handle clicked and do scrolling	r2183	{
sauimone moving mouse event handling logic to scroller	r2199	Scroller::handleMouseMoveEvent(event);
sauimone Legend can now handle clicked and do scrolling	r2183	}

sauimone better implementation of mouse event handling in legend	r2197	void LegendScroller::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
sauimone Legend can now handle clicked and do scrolling	r2183	{
sauimone moving mouse event handling logic to scroller	r2199	Scroller::handleMouseReleaseEvent(event);
sauimone Legend can now handle clicked and do scrolling	r2183
sauimone moving mouse event handling logic to scroller	r2199	if (!event->isAccepted()) {
sauimone better implementation of mouse event handling in legend	r2197	QList<QGraphicsItem *> items = scene()->items(event->scenePos());

		foreach (QGraphicsItem *i, items) {
		if (d_ptr->m_markerHash.contains(i)) {
		QLegendMarker *marker = d_ptr->m_markerHash.value(i);
		emit marker->clicked();
		}
		}
sauimone moving mouse event handling logic to scroller	r2199	event->accept();
sauimone Legend can now handle clicked and do scrolling	r2183	}
		}

sauimone better implementation of mouse event handling in legend	r2197
		#include "moc_legendscroller_p.cpp"
sauimone Legend can now handle clicked and do scrolling	r2183	QTCOMMERCIALCHART_END_NAMESPACE