First implementation
This commit is contained in:
Yury Shuvakin
136
cpp/window/GraphWindow/GraphWindow.cpp
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136
cpp/window/GraphWindow/GraphWindow.cpp
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/*
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Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
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This file is part of cangaroo.
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cangaroo is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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cangaroo is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cangaroo. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "GraphWindow.h"
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#include "ui_GraphWindow.h"
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#include <QDomDocument>
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#include <core/Backend.h>
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#include <QtCharts/QChartView>
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#define NUM_GRAPH_POINTS 20
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GraphWindow::GraphWindow(QWidget *parent, Backend &backend) :
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ConfigurableWidget(parent),
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ui(new Ui::GraphWindow),
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_backend(backend)
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{
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ui->setupUi(this);
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data_series = new QLineSeries();
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for(uint32_t i=0; i<NUM_GRAPH_POINTS; i++)
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{
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data_series->append(i, i);
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}
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data_chart = new QChart();
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data_chart->legend()->hide();
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data_chart->addSeries(data_series);
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data_chart->createDefaultAxes();
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data_chart->setTitle("Simple line chart example");
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// Have a box pop up that allows the user to select a signal from the loaded DBC to graph
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// On OK, add that CanDbMessage to a list.
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// Either sample the values regularly with a timer or somehow emit a signal when the message
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// is received that we catch here...
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//backend.findDbMessage()
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// CanDbMessage *result = 0;
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// foreach (MeasurementNetwork *network, _networks) {
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// foreach (pCanDb db, network->_canDbs) {
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// result = db->getMessageById(msg.getRawId());
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// if (result != 0) {
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// return result;
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// }
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// }
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// }
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// return result;
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ui->chartView->setChart(data_chart);
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ui->chartView->setRenderHint(QPainter::Antialiasing);
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// connect(ui->buttonTest, SIGNAL(released()), this, SLOT(testAddData()));
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}
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void GraphWindow::testAddData(qreal new_yval)
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{
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QLineSeries* serbuf = new QLineSeries();
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// Start autorange at first point
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qreal ymin = data_series->at(1).y();
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qreal ymax = ymin;
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// Copy all points but first one
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for(uint32_t i=1; i < data_series->count(); i++)
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{
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serbuf->append(data_series->at(i).x()-1, data_series->at(i).y());
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// Autoranging
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if(data_series->at(i).y() < ymin)
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ymin = data_series->at(i).y();
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if(data_series->at(i).y() > ymax)
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ymax = data_series->at(i).y();
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}
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// Apply Y margin and set range
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ymin -= 1;
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ymax += 1;
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data_chart->axisY()->setRange(ymin, ymax);
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// Add new point in
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serbuf->append(serbuf->points().at(serbuf->count()-1).x() + 1, new_yval);
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testcount++;
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// Replace data
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data_series->replace(serbuf->points());
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delete serbuf;
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}
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GraphWindow::~GraphWindow()
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{
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delete ui;
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delete data_chart;
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delete data_series;
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}
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bool GraphWindow::saveXML(Backend &backend, QDomDocument &xml, QDomElement &root)
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{
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if (!ConfigurableWidget::saveXML(backend, xml, root)) { return false; }
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root.setAttribute("type", "GraphWindow");
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return true;
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}
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bool GraphWindow::loadXML(Backend &backend, QDomElement &el)
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{
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if (!ConfigurableWidget::loadXML(backend, el)) { return false; }
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return true;
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}
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58
cpp/window/GraphWindow/GraphWindow.h
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58
cpp/window/GraphWindow/GraphWindow.h
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@@ -0,0 +1,58 @@
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/*
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Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
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This file is part of cangaroo.
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cangaroo is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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cangaroo is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cangaroo. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <core/Backend.h>
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#include <core/ConfigurableWidget.h>
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#include <core/MeasurementSetup.h>
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#include <QtCharts/QChartView>
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#include <QtCharts/QtCharts>
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#include <QtCharts/QLineSeries>
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namespace Ui {
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class GraphWindow;
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}
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class QDomDocument;
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class QDomElement;
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class GraphWindow : public ConfigurableWidget
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{
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Q_OBJECT
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public:
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explicit GraphWindow(QWidget *parent, Backend &backend);
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~GraphWindow();
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virtual bool saveXML(Backend &backend, QDomDocument &xml, QDomElement &root);
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virtual bool loadXML(Backend &backend, QDomElement &el);
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private slots:
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void testAddData(qreal new_yval);
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private:
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QLineSeries *data_series;
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QChart *data_chart;
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uint32_t testcount;
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Ui::GraphWindow *ui;
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Backend &_backend;
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};
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8
cpp/window/GraphWindow/GraphWindow.pri
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8
cpp/window/GraphWindow/GraphWindow.pri
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SOURCES += \
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$$PWD/GraphWindow.cpp
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HEADERS += \
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$$PWD/GraphWindow.h
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FORMS += \
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$$PWD/GraphWindow.ui
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77
cpp/window/GraphWindow/GraphWindow.ui
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77
cpp/window/GraphWindow/GraphWindow.ui
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>GraphWindow</class>
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<widget class="QWidget" name="GraphWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>870</width>
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<height>274</height>
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</rect>
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</property>
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<property name="sizePolicy">
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<sizepolicy hsizetype="Minimum" vsizetype="Minimum">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="minimumSize">
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<size>
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<width>301</width>
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<height>274</height>
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</size>
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</property>
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<property name="windowTitle">
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<string>Graph</string>
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</property>
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<widget class="QChartView" name="chartView">
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<property name="geometry">
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<rect>
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<x>10</x>
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<y>10</y>
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<width>281</width>
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<height>231</height>
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</rect>
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</property>
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<property name="minimumSize">
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<size>
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<width>281</width>
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<height>231</height>
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</size>
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</property>
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</widget>
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<widget class="QPushButton" name="buttonTest">
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<property name="geometry">
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<rect>
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<x>210</x>
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<y>250</y>
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<width>75</width>
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<height>23</height>
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</rect>
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</property>
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<property name="text">
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<string>Test</string>
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</property>
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</widget>
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<widget class="QChartView" name="graphicsView">
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<property name="geometry">
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<rect>
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<x>390</x>
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<y>30</y>
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<width>256</width>
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<height>192</height>
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</rect>
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</property>
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</widget>
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</widget>
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<customwidgets>
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<customwidget>
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<class>QChartView</class>
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<extends>QGraphicsView</extends>
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<header>QtCharts</header>
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</customwidget>
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</customwidgets>
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<resources/>
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<connections/>
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</ui>
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