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

Adding metatype declarations in qml plugin for Qt5...

Adding metatype declarations in qml plugin for Qt5 Not sure why they are needed for Qt5. Definetly NOT needed for Qt4.

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
    
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              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) {

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

              m_tooltip->setAnchor(m_chart->mapFromParent(m_view->mapToScene(m_view->mapFromGlobal(QCursor::pos()))));

              m_tooltip->setPos(m_chart->mapFromParent(m_view->mapToScene(m_view->mapFromGlobal(QCursor::pos() + QPoint(10, -50)))));

              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) {
		m_tooltip->setText(QString("X: %1\nY: %2").arg(point.x()).arg(point.y()));
		m_tooltip->setAnchor(m_chart->mapFromParent(m_view->mapToScene(m_view->mapFromGlobal(QCursor::pos()))));
		m_tooltip->setPos(m_chart->mapFromParent(m_view->mapToScene(m_view->mapFromGlobal(QCursor::pos() + QPoint(10, -50)))));
		m_tooltip->setZValue(11);
		m_tooltip->show();
		} else {
		m_tooltip->hide();
		}
Marek Rosa Added callout example (Drawing on top of chart)	r2150	}