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

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             widget.cpp
        
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      #include "widget.h"

      #include <QGraphicsScene>

      #include <QGraphicsView>

      #include <QVBoxLayout>

      #include <QChart>

      #include <QLineSeries>

      #include <QGraphicsTextItem>

      #include <QGraphicsLineItem>

      #include "callout.h"

      QTCOMMERCIALCHART_USE_NAMESPACE

      Widget::Widget(QWidget *parent)

          : QWidget(parent),

            m_scene(0),

            m_chart(0),

            m_view(0)

      {

          // chart

          m_chart = new QChart;

          m_chart->setMinimumSize(640, 480);

          QLineSeries *series = new QLineSeries;

          series->setName("Click the line to create a movable callout");

          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);

          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);

          connect(series, SIGNAL(clicked(QPointF)), this, SLOT(addCallout(QPointF)));

      }

      Widget::~Widget()

      {

      }

      void Widget::addCallout(QPointF point)

      {

          Callout *label = new Callout(m_chart);

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

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

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

          label->setZValue(11);

      }

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				#include "widget.h"
				#include <QGraphicsScene>
				#include <QGraphicsView>
				#include <QVBoxLayout>
				#include <QChart>
				#include <QLineSeries>
				#include <QGraphicsTextItem>
				#include <QGraphicsLineItem>
				#include "callout.h"

				QTCOMMERCIALCHART_USE_NAMESPACE

				Widget::Widget(QWidget *parent)
				: QWidget(parent),
				m_scene(0),
				m_chart(0),
				m_view(0)
				{
				// chart
				m_chart = new QChart;
				m_chart->setMinimumSize(640, 480);
				QLineSeries *series = new QLineSeries;
				series->setName("Click the line to create a movable callout");
				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);
				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);

				connect(series, SIGNAL(clicked(QPointF)), this, SLOT(addCallout(QPointF)));
				}

				Widget::~Widget()
				{

				}

				void Widget::addCallout(QPointF point)
				{
				Callout *label = new Callout(m_chart);
				label->setText(QString("X: %1\nY: %2").arg(point.x()).arg(point.y()));
				label->setAnchor(m_chart->mapFromParent(m_view->mapToScene(m_view->mapFromGlobal(QCursor::pos()))));
				label->setPos(m_chart->mapFromParent(m_view->mapToScene(m_view->mapFromGlobal(QCursor::pos() + QPoint(10, -50)))));
				label->setZValue(11);
				}