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

Fix mouse event interception by scatter chart....

Fix mouse event interception by scatter chart. The scatter chart itself shouldn't be selectable. The scatter chart occupies the entire plot area of the chart, and therefore blocks mouse events from all items below it. Only the individual scatter markers need to be selectable. Change-Id: I664c16ced24e3fc4c068b850c8c612e2d797ee4b Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

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             legendscroller.cpp
        
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             / src / charts / legend / legendscroller.cpp
          
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        sauimone
    
Legend can now handle clicked and do scrolling

              r2183
            
      /****************************************************************************

      **

        Titta Heikkala
    
Update copyright year...

              r2688
            
      ** Copyright (C) 2014 Digia Plc

        sauimone
    
Legend can now handle clicked and do scrolling

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      ** All rights reserved.

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** For any questions to Digia, please use contact form at http://qt.io

        sauimone
    
Legend can now handle clicked and do scrolling

              r2183
            
      **

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** This file is part of the Qt Charts module.

        sauimone
    
Legend can now handle clicked and do scrolling

              r2183
            
      **

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** Licensees holding valid commercial license for Qt may use this file in

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

      ** or, alternatively, in accordance with the terms contained in a written

      ** agreement between you and Digia.

        sauimone
    
Legend can now handle clicked and do scrolling

              r2183
            
      **

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

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** contact form at http://qt.io

        sauimone
    
Legend can now handle clicked and do scrolling

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      **

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

        Titta Heikkala
    
Fix include syntax...

              r2714
            
      #include <QtCore/QDebug>

      #include <QtWidgets/QGraphicsSceneMouseEvent>

      #include <QtWidgets/QGraphicsScene>

      #include <QtCharts/QLegendMarker>

      #include <private/qlegendmarker_p.h>

      #include <private/legendmarkeritem_p.h>

      #include <private/legendscroller_p.h>

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        Titta Heikkala
    
Qt Charts project file structure change...

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      QT_CHARTS_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"

        Titta Heikkala
    
Qt Charts project file structure change...

              r2712
            
      QT_CHARTS_END_NAMESPACE

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sauimone Legend can now handle clicked and do scrolling	r2183	/****************************************************************************
		**
Titta Heikkala Update copyright year...	r2688	** Copyright (C) 2014 Digia Plc
sauimone Legend can now handle clicked and do scrolling	r2183	** All rights reserved.
Titta Heikkala Updated license headers...	r2740	** For any questions to Digia, please use contact form at http://qt.io
sauimone Legend can now handle clicked and do scrolling	r2183	**
Titta Heikkala Updated license headers...	r2740	** This file is part of the Qt Charts module.
sauimone Legend can now handle clicked and do scrolling	r2183	**
Titta Heikkala Updated license headers...	r2740	** Licensees holding valid commercial license for Qt may use this file in
		** accordance with the Qt License Agreement provided with the Software
		** or, alternatively, in accordance with the terms contained in a written
		** agreement between you and Digia.
sauimone Legend can now handle clicked and do scrolling	r2183	**
		** If you have questions regarding the use of this file, please use
Titta Heikkala Updated license headers...	r2740	** contact form at http://qt.io
sauimone Legend can now handle clicked and do scrolling	r2183	**
		****************************************************************************/

Titta Heikkala Fix include syntax...	r2714	#include <QtCore/QDebug>
		#include <QtWidgets/QGraphicsSceneMouseEvent>
		#include <QtWidgets/QGraphicsScene>
		#include <QtCharts/QLegendMarker>
		#include <private/qlegendmarker_p.h>
		#include <private/legendmarkeritem_p.h>
		#include <private/legendscroller_p.h>
sauimone Legend can now handle clicked and do scrolling	r2183
Titta Heikkala Qt Charts project file structure change...	r2712	QT_CHARTS_BEGIN_NAMESPACE
sauimone Legend can now handle clicked and do scrolling	r2183
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"
Titta Heikkala Qt Charts project file structure change...	r2712	QT_CHARTS_END_NAMESPACE