1 files changed, 123 insertions, 0 deletions
diff --git a/examples/charts/callout/view.cpp b/examples/charts/callout/view.cpp
new file mode 100644
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+++ b/examples/charts/callout/view.cpp
@@ -0,0 +1,123 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2014 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 Enterprise Charts Add-on.
+ **
+ ** $QT_BEGIN_LICENSE$
+ ** Licensees holding valid Qt Enterprise licenses may use this file in
+ ** accordance with the Qt Enterprise 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
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+#include "view.h"
+#include <QResizeEvent>
+#include <QGraphicsScene>
+#include <QChart>
+#include <QLineSeries>
+#include <QSplineSeries>
+#include <QGraphicsTextItem>
+#include "callout.h"
+#include <QMouseEvent>
+
+View::View(QWidget *parent)
+    : QGraphicsView(new QGraphicsScene, parent),
+      m_coordX(0),
+      m_coordY(0),
+      m_chart(0),
+      m_tooltip(0)
+{
+    setDragMode(QGraphicsView::NoDrag);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+    // chart
+    m_chart = new QChart;
+    m_chart->setMinimumSize(640, 480);
+    m_chart->setTitle("Hover the line to show callout. Click the line to make it stay");
+    m_chart->legend()->hide();
+    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);
+
+    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);
+
+    m_chart->createDefaultAxes();
+    m_chart->setAcceptHoverEvents(true);
+
+    setRenderHint(QPainter::Antialiasing);
+    scene()->addItem(m_chart);
+
+    m_coordX = new QGraphicsSimpleTextItem(m_chart);
+    m_coordX->setPos(m_chart->size().width()/2 - 50, m_chart->size().height());
+    m_coordX->setText("X: ");
+    m_coordY = new QGraphicsSimpleTextItem(m_chart);
+    m_coordY->setPos(m_chart->size().width()/2 + 50, m_chart->size().height());
+    m_coordY->setText("Y: ");
+
+    connect(series, SIGNAL(clicked(QPointF)), this, SLOT(keepCallout()));
+    connect(series, SIGNAL(hovered(QPointF, bool)), this, SLOT(tooltip(QPointF,bool)));
+
+    connect(series2, SIGNAL(clicked(QPointF)), this, SLOT(keepCallout()));
+    connect(series2, SIGNAL(hovered(QPointF, bool)), this, SLOT(tooltip(QPointF,bool)));
+
+    this->setMouseTracking(true);
+}
+
+void View::resizeEvent(QResizeEvent *event)
+{
+    if (scene()) {
+        scene()->setSceneRect(QRect(QPoint(0, 0), event->size()));
+         m_chart->resize(event->size());
+         m_coordX->setPos(m_chart->size().width()/2 - 50, m_chart->size().height() - 20);
+         m_coordY->setPos(m_chart->size().width()/2 + 50, m_chart->size().height() - 20);
+    }
+    QGraphicsView::resizeEvent(event);
+}
+
+void View::mouseMoveEvent(QMouseEvent *event)
+{
+    m_coordX->setText(QString("X: %1").arg(m_chart->mapToValue(event->pos()).x()));
+    m_coordY->setText(QString("Y: %1").arg(m_chart->mapToValue(event->pos()).y()));
+    QGraphicsView::mouseMoveEvent(event);
+}
+
+void View::keepCallout()
+{
+    m_tooltip = new Callout(m_chart);
+}
+
+void View::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()));
+        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));
+        m_tooltip->setZValue(11);
+        m_tooltip->show();
+    } else {
+        m_tooltip->hide();
+    }
+}