Files
VkuMonitor/cpp/window/GraphWindow/GraphWindow.cpp
2024-07-03 19:11:29 +09:00

137 lines
3.5 KiB
C++

/*
Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
This file is part of cangaroo.
cangaroo is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
cangaroo is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cangaroo. If not, see <http://www.gnu.org/licenses/>.
*/
#include "GraphWindow.h"
#include "ui_GraphWindow.h"
#include <QDomDocument>
#include <core/Backend.h>
#include <QtCharts/QChartView>
#define NUM_GRAPH_POINTS 20
GraphWindow::GraphWindow(QWidget *parent, Backend &backend) :
ConfigurableWidget(parent),
ui(new Ui::GraphWindow),
_backend(backend)
{
ui->setupUi(this);
data_series = new QLineSeries();
for(uint32_t i=0; i<NUM_GRAPH_POINTS; i++)
{
data_series->append(i, i);
}
data_chart = new QChart();
data_chart->legend()->hide();
data_chart->addSeries(data_series);
data_chart->createDefaultAxes();
data_chart->setTitle("Simple line chart example");
// Have a box pop up that allows the user to select a signal from the loaded DBC to graph
// On OK, add that CanDbMessage to a list.
// Either sample the values regularly with a timer or somehow emit a signal when the message
// is received that we catch here...
//backend.findDbMessage()
// CanDbMessage *result = 0;
// foreach (MeasurementNetwork *network, _networks) {
// foreach (pCanDb db, network->_canDbs) {
// result = db->getMessageById(msg.getRawId());
// if (result != 0) {
// return result;
// }
// }
// }
// return result;
ui->chartView->setChart(data_chart);
ui->chartView->setRenderHint(QPainter::Antialiasing);
// connect(ui->buttonTest, SIGNAL(released()), this, SLOT(testAddData()));
}
void GraphWindow::testAddData(qreal new_yval)
{
QLineSeries* serbuf = new QLineSeries();
// Start autorange at first point
qreal ymin = data_series->at(1).y();
qreal ymax = ymin;
// Copy all points but first one
for(uint32_t i=1; i < data_series->count(); i++)
{
serbuf->append(data_series->at(i).x()-1, data_series->at(i).y());
// Autoranging
if(data_series->at(i).y() < ymin)
ymin = data_series->at(i).y();
if(data_series->at(i).y() > ymax)
ymax = data_series->at(i).y();
}
// Apply Y margin and set range
ymin -= 1;
ymax += 1;
data_chart->axisY()->setRange(ymin, ymax);
// Add new point in
serbuf->append(serbuf->points().at(serbuf->count()-1).x() + 1, new_yval);
testcount++;
// Replace data
data_series->replace(serbuf->points());
delete serbuf;
}
GraphWindow::~GraphWindow()
{
delete ui;
delete data_chart;
delete data_series;
}
bool GraphWindow::saveXML(Backend &backend, QDomDocument &xml, QDomElement &root)
{
if (!ConfigurableWidget::saveXML(backend, xml, root)) { return false; }
root.setAttribute("type", "GraphWindow");
return true;
}
bool GraphWindow::loadXML(Backend &backend, QDomElement &el)
{
if (!ConfigurableWidget::loadXML(backend, el)) { return false; }
return true;
}