HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/callout/widget.cpp

Fixed visibility initialization on axis

Marek Rosa - - Load All Authors

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             widget.cpp
        
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        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
      #include "widget.h"

      #include <QGraphicsScene>

      #include <QGraphicsView>

      #include <QVBoxLayout>

      #include <QChart>

      #include <QLineSeries>

        Marek Rosa
    
Added hover support to splinechart and updated callout example

              r2256
            
      #include <QSplineSeries>

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
      #include <QGraphicsTextItem>

      #include <QGraphicsLineItem>

      #include "callout.h"

      QTCOMMERCIALCHART_USE_NAMESPACE

      Widget::Widget(QWidget *parent)

          : QWidget(parent),

            m_scene(0),

            m_chart(0),

        Marek Rosa
    
Added hovered signal to QLineSeries. Updated callout example

              r2255
            
            m_view(0),

            m_tooltip(0)

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
      {

          // chart

          m_chart = new QChart;

          m_chart->setMinimumSize(640, 480);

        Marek Rosa
    
Added hovered signal to QLineSeries. Updated callout example

              r2255
            
          m_chart->setTitle("Hover the line to show callout. Click the line to make it stay");

          m_chart->legend()->hide();

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
          QLineSeries *series = new QLineSeries;

          series->append(1, 3);

          series->append(4, 5);

          series->append(5, 4.5);

          series->append(7, 1);

          series->append(11, 2);

          m_chart->addSeries(series);

        Marek Rosa
    
Added hover support to splinechart and updated callout example

              r2256
            
          QSplineSeries *series2 = new QSplineSeries;

          series2->append(1.6, 1.4);

          series2->append(2.4, 3.5);

          series2->append(3.7, 2.5);

          series2->append(7, 4);

          series2->append(10, 2);

          m_chart->addSeries(series2);

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
          m_chart->createDefaultAxes();

          m_scene = new QGraphicsScene;

          m_view = new QGraphicsView(m_scene);

          m_view->setRenderHint(QPainter::Antialiasing);

          m_scene->addItem(m_chart);

          QVBoxLayout *mainLayout = new QVBoxLayout;

          mainLayout->addWidget(m_view);

          setLayout(mainLayout);

        Marek Rosa
    
Added hovered signal to QLineSeries. Updated callout example

              r2255
            
          connect(series, SIGNAL(clicked(QPointF)), this, SLOT(keepCallout()));

          connect(series, SIGNAL(hovered(QPointF, bool)), this, SLOT(tooltip(QPointF,bool)));

        Marek Rosa
    
Added hover support to splinechart and updated callout example

              r2256
            
          connect(series2, SIGNAL(clicked(QPointF)), this, SLOT(keepCallout()));

          connect(series2, SIGNAL(hovered(QPointF, bool)), this, SLOT(tooltip(QPointF,bool)));

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
      }

      Widget::~Widget()

      {

      }

        Marek Rosa
    
Added hovered signal to QLineSeries. Updated callout example

              r2255
            
      void Widget::keepCallout()

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
      {

        Marek Rosa
    
Added hovered signal to QLineSeries. Updated callout example

              r2255
            
          m_tooltip = new Callout(m_chart);

      }

      void Widget::tooltip(QPointF point, bool state)

      {

          if (m_tooltip == 0)

              m_tooltip = new Callout(m_chart);

          if (state) {

        Marek Rosa
    
Mapping functions added to QChart. Callout example updated

              r2344
            
              m_tooltip->setText(QString("X: %1 \nY: %2 ").arg(point.x()).arg(point.y()));

              QXYSeries *series = qobject_cast<QXYSeries *>(sender());

              m_tooltip->setAnchor(m_chart->mapToPosition(point, series));

              m_tooltip->setPos(m_chart->mapToPosition(point, series) + QPoint(10, -50));

        Marek Rosa
    
Added hovered signal to QLineSeries. Updated callout example

              r2255
            
              m_tooltip->setZValue(11);

              m_tooltip->show();

          } else {

              m_tooltip->hide();

          }

        Marek Rosa
    
Added callout example (Drawing on top of chart)

              r2150
            
      }

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Marek Rosa Added callout example (Drawing on top of chart)	r2150	#include "widget.h"
		#include <QGraphicsScene>
		#include <QGraphicsView>
		#include <QVBoxLayout>
		#include <QChart>
		#include <QLineSeries>
Marek Rosa Added hover support to splinechart and updated callout example	r2256	#include <QSplineSeries>
Marek Rosa Added callout example (Drawing on top of chart)	r2150	#include <QGraphicsTextItem>
		#include <QGraphicsLineItem>
		#include "callout.h"

		QTCOMMERCIALCHART_USE_NAMESPACE

		Widget::Widget(QWidget *parent)
		: QWidget(parent),
		m_scene(0),
		m_chart(0),
Marek Rosa Added hovered signal to QLineSeries. Updated callout example	r2255	m_view(0),
		m_tooltip(0)
Marek Rosa Added callout example (Drawing on top of chart)	r2150	{
		// chart
		m_chart = new QChart;
		m_chart->setMinimumSize(640, 480);
Marek Rosa Added hovered signal to QLineSeries. Updated callout example	r2255	m_chart->setTitle("Hover the line to show callout. Click the line to make it stay");
		m_chart->legend()->hide();
Marek Rosa Added callout example (Drawing on top of chart)	r2150	QLineSeries *series = new QLineSeries;
		series->append(1, 3);
		series->append(4, 5);
		series->append(5, 4.5);
		series->append(7, 1);
		series->append(11, 2);
		m_chart->addSeries(series);
Marek Rosa Added hover support to splinechart and updated callout example	r2256
		QSplineSeries *series2 = new QSplineSeries;
		series2->append(1.6, 1.4);
		series2->append(2.4, 3.5);
		series2->append(3.7, 2.5);
		series2->append(7, 4);
		series2->append(10, 2);
		m_chart->addSeries(series2);

Marek Rosa Added callout example (Drawing on top of chart)	r2150	m_chart->createDefaultAxes();

		m_scene = new QGraphicsScene;
		m_view = new QGraphicsView(m_scene);
		m_view->setRenderHint(QPainter::Antialiasing);
		m_scene->addItem(m_chart);

		QVBoxLayout *mainLayout = new QVBoxLayout;
		mainLayout->addWidget(m_view);
		setLayout(mainLayout);

Marek Rosa Added hovered signal to QLineSeries. Updated callout example	r2255	connect(series, SIGNAL(clicked(QPointF)), this, SLOT(keepCallout()));
		connect(series, SIGNAL(hovered(QPointF, bool)), this, SLOT(tooltip(QPointF,bool)));
Marek Rosa Added hover support to splinechart and updated callout example	r2256
		connect(series2, SIGNAL(clicked(QPointF)), this, SLOT(keepCallout()));
		connect(series2, SIGNAL(hovered(QPointF, bool)), this, SLOT(tooltip(QPointF,bool)));
Marek Rosa Added callout example (Drawing on top of chart)	r2150	}

		Widget::~Widget()
		{

		}

Marek Rosa Added hovered signal to QLineSeries. Updated callout example	r2255	void Widget::keepCallout()
Marek Rosa Added callout example (Drawing on top of chart)	r2150	{
Marek Rosa Added hovered signal to QLineSeries. Updated callout example	r2255	m_tooltip = new Callout(m_chart);
		}

		void Widget::tooltip(QPointF point, bool state)
		{
		if (m_tooltip == 0)
		m_tooltip = new Callout(m_chart);

		if (state) {
Marek Rosa Mapping functions added to QChart. Callout example updated	r2344	m_tooltip->setText(QString("X: %1 \nY: %2 ").arg(point.x()).arg(point.y()));
		QXYSeries series = qobject_cast<QXYSeries >(sender());
		m_tooltip->setAnchor(m_chart->mapToPosition(point, series));
		m_tooltip->setPos(m_chart->mapToPosition(point, series) + QPoint(10, -50));
Marek Rosa Added hovered signal to QLineSeries. Updated callout example	r2255	m_tooltip->setZValue(11);
		m_tooltip->show();
		} else {
		m_tooltip->hide();
		}
Marek Rosa Added callout example (Drawing on top of chart)	r2150	}