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A few more warnings removed from examples
A few more warnings removed from examples
Marek Rosa - - Load All Authors

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r577:d1f00b1c0524
r613:36ecec1e9bf9
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splinewidget.cpp
114 lines | 3.0 KiB | text/x-c | CppLexer
/ examples / splinechart / splinewidget.cpp
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Marek Rosa
Spline working somewhat
 r401 #include "splinewidget.h"
#include "qchartview.h"
Marek Rosa
Spline with problems
 r419 #include "qlineseries.h"
Marek Rosa
Spline working somewhat
 r401 #include <QGridLayout>
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 #include <QPushButton>
Marek Rosa
Spline chart example added
 r434 #include "qchartaxis.h"
#include <qmath.h>
Marek Rosa
Spline working somewhat
 r401
QTCOMMERCIALCHART_USE_NAMESPACE
SplineWidget::SplineWidget(QWidget *parent)
: QWidget(parent)
{
Marek Rosa
Minor cleanup
 r457 // qsrand(time(NULL));
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Spline chart example added
 r434 //! [1]
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Spline working somewhat
 r401 //create QSplineSeries
Marek Rosa
Fixed colors in spline
 r577 series = new QSplineSeries(this);
Marek Rosa
Spline chart example added
 r434 //! [1]
//! [2]
// customize the series presentation settings
QPen seriesPen(Qt::blue);
seriesPen.setWidth(3);
Marek Rosa
Fixed colors in spline
 r577 // series->setPen(seriesPen);
Marek Rosa
Spline chart example added
 r434 //! [2]
//! [add points to series]
//add data points to the series
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 series->add(QPointF(150, 100));
series->add(QPointF(200, 130));
series->add(QPointF(250, 120));
series->add(QPointF(300, 140));
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Spline chart example added
 r434 series->add(QPointF(350, 160));
//! [add points to series]
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Fixed colors in spline
 r577
QSplineSeries* series2 = new QSplineSeries;
series2->add(QPointF(400, 120));
series2->add(QPointF(450, 150));
series2->add(QPointF(500, 145));
series2->add(QPointF(550, 170));
Marek Rosa
Spline chart example added
 r434 // series->add(QPointF(600, 190));
// series->add(QPointF(650, 210));
// series->add(QPointF(700, 190));
// series->add(QPointF(750, 180));
// series->add(QPointF(800, 170));
Marek Rosa
Fixed colors in spline
 r577 QSplineSeries* series3 = new QSplineSeries;
series3->add(QPointF(600, 190));
series3->add(QPointF(650, 210));
series3->add(QPointF(700, 190));
series3->add(QPointF(750, 180));
series3->add(QPointF(800, 170));
Marek Rosa
Spline working somewhat
 r401
Marek Rosa
Spline chart example added
 r434 //! [3]
// create chart view
QChartView* chart = new QChartView;
chart->addSeries(series);
Marek Rosa
Fixed colors in spline
 r577 chart->addSeries(series2);
chart->addSeries(series3);
Marek Rosa
Spline working somewhat
 r401
Marek Rosa
Spline series fix
 r450 chart->setChartTitle("Spline chart example");
Marek Rosa
Renamed SplinePresenter to SplineChartItem
 r460 chart->axisX()->setMax(1500);
chart->axisY()->setMax(500);
Marek Rosa
Spline working somewhat
 r401
chart->setMinimumSize(800,600);
Marek Rosa
Spline chart example added
 r434 //! [3]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431
Marek Rosa
Spline chart example added
 r434 //! [4]
//add new data point button
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 QPushButton* addButton = new QPushButton("Add new point");
connect(addButton, SIGNAL(clicked()), this, SLOT(addNewPoint()));
Marek Rosa
Spline chart example added
 r434 // remove the last data point in the series
QPushButton* removeButton = new QPushButton("Remove point");
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 connect(removeButton, SIGNAL(clicked()), this, SLOT(removePoint()));
Marek Rosa
Spline chart example added
 r434 //! [4]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431
Marek Rosa
Spline chart example added
 r434 //! [5]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 //butttons layout
QVBoxLayout* buttonsLayout = new QVBoxLayout;
buttonsLayout->addWidget(addButton);
buttonsLayout->addWidget(removeButton);
buttonsLayout->addStretch();
Marek Rosa
Spline working somewhat
 r401
QGridLayout* mainLayout = new QGridLayout;
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 mainLayout->addWidget(chart, 1, 0);
mainLayout->addLayout(buttonsLayout, 1, 1);
Marek Rosa
Spline working somewhat
 r401 setLayout(mainLayout);
Marek Rosa
Spline chart example added
 r434 //! [5]
Marek Rosa
Spline working somewhat
 r401 }
Marek Rosa
Spline chart example added
 r434 //! [add point]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 void SplineWidget::addNewPoint()
{
if (series->count() > 0)
Marek Rosa
Renamed SplinePresenter to SplineChartItem
 r460 series->add(QPointF(series->x(series->count() - 1) + 40 + qrand()%40, qAbs(series->y(series->count() - 1) - 50 + qrand()%100)));
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 else
series->add(QPointF(50, 50 + qrand()%50));
}
Marek Rosa
Spline chart example added
 r434 //! [add point]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431
Marek Rosa
Spline chart example added
 r434 //! [remove point]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431 void SplineWidget::removePoint()
{
if (series->count() > 0)
series->remove(QPointF(series->x(series->count() - 1), series->y(series->count() - 1)));
}
Marek Rosa
Spline chart example added
 r434 //! [remove point]
Marek Rosa
Added automatic refresh of control points on add/remove point. Spline example updated
 r431
Marek Rosa
Spline working somewhat
 r401 SplineWidget::~SplineWidget()
{
}