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-rw-r--r--demos/callout/view.cpp123
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diff --git a/demos/callout/view.cpp b/demos/callout/view.cpp
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--- a/demos/callout/view.cpp
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-/****************************************************************************
- **
- ** 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();
- }
-}