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put QString::null back...
put QString::null back We should avoid using these. Even qt doc says to avoid using isNull checks.
Marek Rosa - - Load All Authors

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r1807:d572c33906e7
r1944:d32b2d73fe63
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chart.cpp
71 lines | 1.8 KiB | text/x-c | CppLexer
/ demos / dynamicspline / chart.cpp
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Jani Honkonen
Add/modify license headers
 r830 /****************************************************************************
**
** Copyright (C) 2012 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 Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial 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
** $QT_END_LICENSE$
**
****************************************************************************/
Jani Honkonen
Make ekgchart compile
 r840 #include "chart.h"
Michal Klocek
Refactors QAxis to QAbstractAxis...
 r1541 #include <QAbstractAxis>
Michal Klocek
Adds ekg example draft
 r599 #include <QSplineSeries>
Marek Rosa
class QValuesAxis renamed to QValueAxis
 r1804 #include <QValueAxis>
Michal Klocek
Adds ekg example draft
 r599 #include <QTime>
Michal Klocek
Adds plotArea()...
 r1648 #include <QDebug>
Michal Klocek
Adds ekg example draft
 r599
Marek Rosa
F1 qml example fixed
 r1663 Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags):
QChart(parent, wFlags),
m_series(0),
Marek Rosa
class QValuesAxis renamed to QValueAxis
 r1804 m_axis(new QValueAxis),
Marek Rosa
F1 qml example fixed
 r1663 m_step(0),
Michal Klocek
Adds plotArea()...
 r1648 m_x(5),
Jani Honkonen
Make ekgchart compile
 r840 m_y(1)
Michal Klocek
Adds ekg example draft
 r599 {
Jani Honkonen
Rename ekgchart -> dynamicspline
 r977 qsrand((uint) QTime::currentTime().msec());
Michal Klocek
Adds ekg example draft
 r599
Jani Honkonen
Make ekgchart compile
 r840 QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(handleTimeout()));
Michal Klocek
minor. updates to line ekg exampels
 r705 m_timer.setInterval(1000);
Michal Klocek
Adds ekg example draft
 r599
Jani Honkonen
Rename ekgchart -> dynamicspline
 r977 m_series = new QSplineSeries(this);
Michal Klocek
minor. updates to line ekg exampels
 r705 QPen green(Qt::red);
Michal Klocek
Adds ekg example draft
 r599 green.setWidth(3);
Jani Honkonen
Rename ekgchart -> dynamicspline
 r977 m_series->setPen(green);
m_series->append(m_x, m_y);
Michal Klocek
Adds ekg example draft
 r599
Jani Honkonen
Rename ekgchart -> dynamicspline
 r977 addSeries(m_series);
Marek Rosa
Updated spline nad legend example
 r1585 createDefaultAxes();
Michal Klocek
Adds plotArea()...
 r1648 setAxisX(m_axis,m_series);
Marek Rosa
QValueAxis ticksCount to tickCount
 r1807 m_axis->setTickCount(5);
Michal Klocek
Adds plotArea()...
 r1648 axisX()->setRange(0, 10);
axisY()->setRange(-5, 10);
Jani Honkonen
Rename ekgchart -> dynamicspline
 r977
Michal Klocek
Adds ekg example draft
 r599 m_timer.start();
}
Jani Honkonen
Make ekgchart compile
 r840 Chart::~Chart()
Michal Klocek
Adds ekg example draft
 r599 {
}
Jani Honkonen
Make ekgchart compile
 r840 void Chart::handleTimeout()
Michal Klocek
Adds ekg example draft
 r599 {
Marek Rosa
QValueAxis ticksCount to tickCount
 r1807 qreal x = plotArea().width()/m_axis->tickCount();
qreal y =(m_axis->max() - m_axis->min())/m_axis->tickCount();
Michal Klocek
Adds plotArea()...
 r1648 m_x += y;
Michal Klocek
Adds ekg example draft
 r599 m_y = qrand() % 5 - 2.5;
Jani Honkonen
Rename ekgchart -> dynamicspline
 r977 m_series->append(m_x, m_y);
Michal Klocek
Adds plotArea()...
 r1648 scroll(x,0);
Michal Klocek
Fix the dynamicspline example
 r1304 if(m_x==100) m_timer.stop();
Michal Klocek
Adds ekg example draft
 r599 }