Initial commit (project based on widgets)
This commit is contained in:
Yury Shuvakin
723
visualizationchart.cpp
Normal file
723
visualizationchart.cpp
Normal file
@@ -0,0 +1,723 @@
|
||||
#include "visualizationchart.h"
|
||||
#include <QGraphicsView>
|
||||
#include <QGraphicsScene>
|
||||
#include <vector>
|
||||
#include <iomanip>
|
||||
#include <cmath>
|
||||
|
||||
// https://russianblogs.com/article/5807234373/
|
||||
|
||||
double calculateDistance(std::pair<int, int> &x, std::pair<int, int> &y)
|
||||
{
|
||||
return std::sqrt(std::pow(x.first - y.first, 2) +
|
||||
std::pow(x.second - y.second, 2));
|
||||
}
|
||||
|
||||
double calculateDistance(std::pair<double, double> &x, std::pair<double, double> &y)
|
||||
{
|
||||
return std::sqrt(std::pow(x.first - y.first, 2) +
|
||||
std::pow(x.second - y.second, 2));
|
||||
}
|
||||
|
||||
double distanceBetweenTwoPointsOnOneAxis(int x1, int x2)
|
||||
{
|
||||
vector<std::pair<int, int>> vec = { {x1, 0} , {x2, 0}, };
|
||||
double dist = calculateDistance(vec[0], vec[1]);
|
||||
return dist;
|
||||
}
|
||||
|
||||
|
||||
|
||||
VisualizationChart::VisualizationChart()
|
||||
: QChart(),
|
||||
mQue(1,1)
|
||||
{
|
||||
initChart();
|
||||
}
|
||||
VisualizationChart::VisualizationChart(int w, int h, bool keepXGrowToTheRight, bool keepYFullRange)
|
||||
: QChart(), mW(w), mH(h), mMakeXaxisLengtGrowToTheRightAccordingIncommingXdata(keepXGrowToTheRight),
|
||||
mMakeYaxisLengtAutoResizeAccordingIncommingYdata(!keepYFullRange),
|
||||
mQue(1,1)
|
||||
{
|
||||
initChart();
|
||||
}
|
||||
VisualizationChart::VisualizationChart(int w, int h, int minY, int maxY, bool keepXGrowToTheRight, bool keepYFullRange)
|
||||
: QChart(), mW(w), mH(h), mMinY(minY), mMaxY(maxY),
|
||||
mMakeXaxisLengtGrowToTheRightAccordingIncommingXdata(keepXGrowToTheRight),
|
||||
mMakeYaxisLengtAutoResizeAccordingIncommingYdata(!keepYFullRange),
|
||||
mQue(1,1)
|
||||
{
|
||||
initChart();
|
||||
}
|
||||
|
||||
|
||||
void VisualizationChart::initChart()
|
||||
{
|
||||
axisX = new QValueAxis();
|
||||
axisY = new QValueAxis();
|
||||
|
||||
//axisX->setTickType(QValueAxis::TickType)
|
||||
QPen penNoLine(Qt::lightGray, 1, Qt::NoPen, Qt::FlatCap);
|
||||
QPen penLine(Qt::lightGray, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
QPen penDots(Qt::lightGray, 1, Qt::DotLine, Qt::FlatCap);
|
||||
|
||||
axisX->setLinePen(penLine);
|
||||
//axisX->setShadesPen(penDots);
|
||||
axisX->setGridLinePen(penNoLine);
|
||||
|
||||
axisY->setLinePen(penNoLine);
|
||||
//axisX->setShadesPen(penDots);
|
||||
axisY->setGridLinePen(penDots);
|
||||
|
||||
|
||||
//axisX->setTickCount(1);
|
||||
axisX->setTickCount(1);
|
||||
axisX->setTickInterval(30);
|
||||
//axisX->setRange(xmin, xmax);
|
||||
axisY->setRange(mMinY - mQue.offset(), mMaxY + mQue.offset());
|
||||
//axisY->setRange(mMinY, mMaxY);
|
||||
//axisY->setRange(ymin, ymax);
|
||||
|
||||
mRangeY = static_cast<int>(distanceBetweenTwoPointsOnOneAxis(mMinY, mMaxY));
|
||||
mQue.setSize(mRangeY);
|
||||
|
||||
// legend
|
||||
this->legend()->hide();
|
||||
this->addAxis(axisX, Qt::AlignBottom); // X
|
||||
this->addAxis(axisY, Qt::AlignRight); // Y // Qt::AlignLeft
|
||||
|
||||
// Vertial line that follows maouse cursor
|
||||
QFont fontXYTitle(this->legend()->font());
|
||||
fontXYTitle.setPixelSize(18);
|
||||
|
||||
m_lineVert = new QGraphicsLineItem(this);
|
||||
QPen pen1(Qt::lightGray, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
m_lineVert->setPen(pen1);
|
||||
|
||||
m_lineVertText = new QGraphicsTextItem(this);
|
||||
m_lineVertText->setPlainText("");
|
||||
m_lineVertText->setDefaultTextColor(Qt::black);
|
||||
m_lineVertText->setFont(fontXYTitle);
|
||||
|
||||
/*
|
||||
if(mEnableOurCustomAxesOrDeafultAxesInstead)
|
||||
{
|
||||
axisX->hide();
|
||||
axisY->hide();
|
||||
|
||||
// < - 981 -> // V 441 ^ //
|
||||
// int h = this->plotArea().height();
|
||||
// int w = this->plotArea().width();
|
||||
// int w = parent()-();
|
||||
// int h = parent()->height();
|
||||
|
||||
{
|
||||
// <- ^
|
||||
QGraphicsRectItem *rect = new QGraphicsRectItem(this);
|
||||
QPen penR(Qt::magenta, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
rect->setPen(penR);
|
||||
rect->setRect(0, 0, 10, 10);
|
||||
}
|
||||
{
|
||||
// <- V
|
||||
QGraphicsRectItem *rect = new QGraphicsRectItem(this);
|
||||
QPen penR(Qt::magenta, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
rect->setPen(penR);
|
||||
rect->setRect(0, 430, 10, 10);
|
||||
}
|
||||
{
|
||||
// -> ^
|
||||
QGraphicsRectItem *rect = new QGraphicsRectItem(this);
|
||||
QPen penR(Qt::magenta, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
rect->setPen(penR);
|
||||
rect->setRect(910, 0, 10, 10);
|
||||
}
|
||||
|
||||
|
||||
|
||||
//
|
||||
m_coordX = new QGraphicsSimpleTextItem(this);
|
||||
m_coordX->setPos(this->size().width() / 2 - 50, this->size().height());
|
||||
// m_coordX->setText("X: ");
|
||||
m_coordY = new QGraphicsSimpleTextItem(this);
|
||||
m_coordY->setPos(this->size().width() / 2 + 50, this->size().height());
|
||||
// m_coordY->setText("Y: ");
|
||||
*/
|
||||
|
||||
mChartYTitle = new QGraphicsTextItem(this);
|
||||
mChartYTitle->setPlainText("Параметр, П"); //("Температура, °C");
|
||||
mChartYTitle->setFont(fontXYTitle);
|
||||
mChartYTitle->setDefaultTextColor(Qt::lightGray);
|
||||
//mChartYTitle->setX(50); // size().width()
|
||||
mChartYTitle->setX(mW * 0.040 );// / 20);
|
||||
//mChartYTitle->setY(10); // size().height()
|
||||
mChartYTitle->setY(mH * 0.01 ); // / 40);
|
||||
|
||||
mChartXTitle = new QGraphicsTextItem(this);
|
||||
mChartXTitle->setPlainText("Время, с");
|
||||
mChartXTitle->setFont(mChartYTitle->font());
|
||||
mChartXTitle->setDefaultTextColor(Qt::lightGray);
|
||||
//mChartXTitle->setX(880 - 50); // size().width()
|
||||
mChartXTitle->setX(mW * 0.85);
|
||||
//mChartXTitle->setY(410); // size().height()
|
||||
mChartXTitle->setY(mH * 0.93);
|
||||
|
||||
/*
|
||||
|
||||
// m_lineHoriz1->setLine(m_coordX->pos().x(), m_coordX->pos().y() + yStep, size().width(), m_coordX->pos().y() +
|
||||
// yStep);
|
||||
|
||||
int hundred100= mH+10;
|
||||
double onepercent = (double)hundred100 / 100.0;
|
||||
|
||||
//mRangeY; //6;
|
||||
|
||||
int step = 0;
|
||||
int a = mRangeY;
|
||||
if((a>0)&&(a<=10)) {
|
||||
step = 1;
|
||||
}
|
||||
else if((a>10)&&(a<=50)) {
|
||||
step = 5;
|
||||
}
|
||||
else if((a>50)&&(a<=100)) {
|
||||
step = 10;
|
||||
}
|
||||
else if((a>100)&&(a<=250)) {
|
||||
step = 25;
|
||||
}
|
||||
else if((a>250)&&(a<=500)) {
|
||||
step = 50;
|
||||
}
|
||||
else if((a>500)&&(a<=1000)) {
|
||||
step = 100;
|
||||
}
|
||||
else if((a>1000)&&(a<=5000)) {
|
||||
step = 500;
|
||||
}
|
||||
else if((a>5000)&&(10000<=a)) {
|
||||
step = 1000;
|
||||
}
|
||||
|
||||
int horizLines = mRangeY / step;
|
||||
int yStep = step; //mRangeY / horizLines ; //10;
|
||||
int xStart = 45;
|
||||
int yTop = hundred100 * 0.130434; //60;
|
||||
int xEnd = xStart + 880;
|
||||
int yBottom = hundred100 * 1.0; //460;
|
||||
int yLen = yBottom - yTop;
|
||||
int xLen = xEnd - xStart;
|
||||
int yPartsLen = yLen / horizLines;
|
||||
//int yPartsLen = yLen / ;
|
||||
int xPartsLen = xLen / horizLines;
|
||||
int iPart = 0;
|
||||
int xhTextEndOffset = hundred100 * 0.04347826; //20;
|
||||
int yhTextTopOffset = hundred100 * 0.0652173913; //30;
|
||||
|
||||
|
||||
// Dot Y lines with numbers on right side
|
||||
|
||||
QPen penDots(Qt::lightGray, 1, Qt::DotLine, Qt::FlatCap);
|
||||
QPen penLast(Qt::lightGray, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
|
||||
mlinesHoriz.clear();
|
||||
for(int i = 0, ilen = horizLines; i<ilen; i++) {
|
||||
mlinesHoriz.push_back(new QGraphicsLineItem(this));
|
||||
}
|
||||
|
||||
|
||||
for(int i = 0, ilen = horizLines; i<ilen; i++) {
|
||||
mlinesHoriz[i]->setPen(penDots); //->setFont(fontXYTitle);
|
||||
if(i == (ilen - 1))
|
||||
mlinesHoriz[i]->setPen(penLast); //->setFont(fontXYTitle);
|
||||
}
|
||||
|
||||
|
||||
for(int iPart = 0, ilen = horizLines; iPart<ilen; iPart++) {
|
||||
mlinesHoriz[iPart]->setLine(xStart, yTop + (iPart * yPartsLen), xEnd, yTop + (iPart * yPartsLen)); //mlinesHoriz.push_back(new QGraphicsTextItem(this));
|
||||
}
|
||||
|
||||
|
||||
|
||||
mTextsHoriz.clear();
|
||||
// Text near Lines
|
||||
for(int i = 0, ilen = horizLines; i<ilen; i++) {
|
||||
mTextsHoriz.push_back(new QGraphicsTextItem(this));
|
||||
}
|
||||
|
||||
for(int i = 0, number = mMaxY, ilen = mTextsHoriz.size(); i<ilen; i++) {
|
||||
if(i==0)
|
||||
mTextsHoriz[i]->setPlainText("");
|
||||
else
|
||||
{
|
||||
number -= yStep;
|
||||
mTextsHoriz[i]->setPlainText(QString::number(number));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
for(int i = 0, ilen = mTextsHoriz.size(); i<ilen; i++) {
|
||||
mTextsHoriz[i]->setDefaultTextColor(Qt::lightGray);
|
||||
}
|
||||
|
||||
|
||||
for(int i = 0, ilen = mTextsHoriz.size(); i<ilen; i++) {
|
||||
mTextsHoriz[i]->setFont(fontXYTitle);
|
||||
}
|
||||
|
||||
|
||||
for(int iPart = 0, ilen = mTextsHoriz.size(); iPart<ilen; iPart++) {
|
||||
//mTextsHoriz[i]->setFont(fontXYTitle);
|
||||
mTextsHoriz[iPart]->setPos(xEnd - xhTextEndOffset, yTop + (iPart * yPartsLen) - yhTextTopOffset);
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Time textes on X Axis
|
||||
|
||||
QPen penSolid(Qt::lightGray, 1, Qt::SolidLine, Qt::FlatCap);
|
||||
m_lineVert1 = new QGraphicsLineItem(this);
|
||||
m_lineVert2 = new QGraphicsLineItem(this);
|
||||
m_lineVert3 = new QGraphicsLineItem(this);
|
||||
m_lineVert4 = new QGraphicsLineItem(this);
|
||||
m_lineVert5 = new QGraphicsLineItem(this);
|
||||
m_lineVert6 = new QGraphicsLineItem(this);
|
||||
|
||||
m_lineVert1->setPen(penSolid);
|
||||
m_lineVert2->setPen(penSolid);
|
||||
m_lineVert3->setPen(penSolid);
|
||||
m_lineVert4->setPen(penSolid);
|
||||
m_lineVert5->setPen(penSolid);
|
||||
m_lineVert6->setPen(penSolid);
|
||||
|
||||
iPart = 0; m_lineVert1->setLine(xStart + (iPart * xPartsLen), yBottom - yPartsLen - 4, xStart + (iPart * xPartsLen), yBottom - yPartsLen + 30);
|
||||
++iPart; m_lineVert2->setLine(xStart + (iPart * xPartsLen), yBottom - yPartsLen - 4, xStart + (iPart * xPartsLen), yBottom - yPartsLen + 30);
|
||||
++iPart; m_lineVert3->setLine(xStart + (iPart * xPartsLen), yBottom - yPartsLen - 4, xStart + (iPart * xPartsLen), yBottom - yPartsLen + 30);
|
||||
++iPart; m_lineVert4->setLine(xStart + (iPart * xPartsLen), yBottom - yPartsLen - 4, xStart + (iPart * xPartsLen), yBottom - yPartsLen + 30);
|
||||
++iPart; m_lineVert5->setLine(xStart + (iPart * xPartsLen), yBottom - yPartsLen - 4, xStart + (iPart * xPartsLen), yBottom - yPartsLen + 30);
|
||||
++iPart; m_lineVert6->setLine(xStart + (iPart * xPartsLen), yBottom - yPartsLen - 4, xStart + (iPart * xPartsLen), yBottom - yPartsLen + 30);
|
||||
|
||||
// Time textes on X Axis
|
||||
|
||||
//
|
||||
//
|
||||
//
|
||||
// mTextVert1 Vert2 Vert3 ... VertN
|
||||
|
||||
mTextVert1 = new QGraphicsTextItem(this);
|
||||
mTextVert2 = new QGraphicsTextItem(this);
|
||||
mTextVert3 = new QGraphicsTextItem(this);
|
||||
mTextVert4 = new QGraphicsTextItem(this);
|
||||
mTextVert5 = new QGraphicsTextItem(this);
|
||||
mTextVert6 = new QGraphicsTextItem(this);
|
||||
|
||||
mTextVert1->setPlainText("0");
|
||||
mTextVert2->setPlainText("30");
|
||||
mTextVert3->setPlainText("60");
|
||||
mTextVert4->setPlainText("90");
|
||||
mTextVert5->setPlainText("120");
|
||||
mTextVert6->setPlainText("150");
|
||||
|
||||
mTextVert1->setDefaultTextColor(Qt::lightGray);
|
||||
mTextVert2->setDefaultTextColor(Qt::lightGray);
|
||||
mTextVert3->setDefaultTextColor(Qt::lightGray);
|
||||
mTextVert4->setDefaultTextColor(Qt::lightGray);
|
||||
mTextVert5->setDefaultTextColor(Qt::lightGray);
|
||||
mTextVert6->setDefaultTextColor(Qt::lightGray);
|
||||
|
||||
mTextVert1->setFont(fontXYTitle);
|
||||
mTextVert2->setFont(fontXYTitle);
|
||||
mTextVert3->setFont(fontXYTitle);
|
||||
mTextVert4->setFont(fontXYTitle);
|
||||
mTextVert5->setFont(fontXYTitle);
|
||||
mTextVert6->setFont(fontXYTitle);
|
||||
|
||||
iPart = 0;
|
||||
mTextVert1->setPos(xStart + (iPart * xPartsLen) + 5, yBottom - yPartsLen);
|
||||
++iPart;
|
||||
mTextVert2->setPos(xStart + (iPart * xPartsLen) + 5, yBottom - yPartsLen);
|
||||
++iPart;
|
||||
mTextVert3->setPos(xStart + (iPart * xPartsLen) + 5, yBottom - yPartsLen);
|
||||
++iPart;
|
||||
mTextVert4->setPos(xStart + (iPart * xPartsLen) + 5, yBottom - yPartsLen);
|
||||
++iPart;
|
||||
mTextVert5->setPos(xStart + (iPart * xPartsLen) + 5, yBottom - yPartsLen);
|
||||
++iPart;
|
||||
mTextVert6->setPos(xStart + (iPart * xPartsLen) + 5, yBottom - yPartsLen);
|
||||
|
||||
} // mEnableDeafultAxesOrOurCustomAxesInstead
|
||||
*/
|
||||
|
||||
|
||||
//
|
||||
// THIS IS IMPORTANT !!!
|
||||
//
|
||||
setAcceptHoverEvents(true);
|
||||
}
|
||||
|
||||
|
||||
void VisualizationChart::hideSeriesWithNumber(int number)
|
||||
{
|
||||
bool found = (mSeriesMap.count(number) >= 1);
|
||||
if(!found)
|
||||
return;
|
||||
mSeriesMap[number]->setColor(Qt::transparent);
|
||||
}
|
||||
|
||||
void VisualizationChart::showSeriesWithNumber(int number)
|
||||
{
|
||||
bool found = (mSeriesMap.count(number) >= 1);
|
||||
if(!found)
|
||||
return;
|
||||
mSeriesMap[number]->setColor(mSeriesMap[number]->pointLabelsColor());
|
||||
}
|
||||
|
||||
void VisualizationChart::getSeriesWithNumberNameAndColor(int number, QString &name, QColor &color)
|
||||
{
|
||||
bool found = (mSeriesMap.count(number) >= 1);
|
||||
if(!found)
|
||||
return;
|
||||
name = mSeriesMap[number]->name();
|
||||
color = mSeriesMap[number]->color();
|
||||
}
|
||||
|
||||
|
||||
void VisualizationChart::addSeriesWithNumber(int number, QString name, QColor color)
|
||||
{
|
||||
bool found = (mSeriesMap.count(number) >= 1);
|
||||
if(found)
|
||||
return;
|
||||
|
||||
//connect(newSer, &QSplineSeries::pointAdded, this, &VisualizationChart::onPointAdded);
|
||||
|
||||
mSeriesMap.insert(number, new QSplineSeries(this));
|
||||
mSeriesMap[number]->setName(name);
|
||||
mSeriesMap[number]->setColor(color);
|
||||
mSeriesMap[number]->setPointLabelsColor(color);
|
||||
|
||||
// !! IMPORTANAT !!! CALL THIS FIRST
|
||||
this->addSeries(mSeriesMap[number]);
|
||||
|
||||
// !! IMPORTANAT !!! CALL THIS SECOND
|
||||
mSeriesMap[number]->attachAxis(axisX);
|
||||
mSeriesMap[number]->attachAxis(axisY);
|
||||
}
|
||||
|
||||
|
||||
|
||||
void VisualizationChart::setTitleForX(QString s)
|
||||
{
|
||||
mChartXTitle->setPlainText(s);
|
||||
}
|
||||
|
||||
void VisualizationChart::setTitleForY(QString s)
|
||||
{
|
||||
mChartYTitle->setPlainText(s);
|
||||
}
|
||||
|
||||
|
||||
QSplineSeries* VisualizationChart::getSplineSeries(int num)
|
||||
{
|
||||
bool found = (this->mSeriesMap.count(num) >= 1);
|
||||
return (found ? this->mSeriesMap[num] : nullptr);
|
||||
}
|
||||
QColor VisualizationChart::getSplineSeriesColor(int num)
|
||||
{
|
||||
bool found = (this->mSeriesMap.count(num) >= 1);
|
||||
return (found ? this->mSeriesMap[num]->color() : QColor(0,0,0));
|
||||
}
|
||||
|
||||
|
||||
void VisualizationChart::append(const QPointF point)
|
||||
{
|
||||
mQue.add(point.y());
|
||||
}
|
||||
|
||||
void VisualizationChart::appendPointToSeries(int serNum, const QPointF point)
|
||||
{
|
||||
mQue.add(point.y());
|
||||
|
||||
*mSeriesMap[serNum] << QPointF(point.x(), point.y());
|
||||
|
||||
refreshSeries(serNum);
|
||||
}
|
||||
|
||||
void VisualizationChart::append(const qreal x, const qreal y)
|
||||
{
|
||||
append(QPointF(x, y));
|
||||
}
|
||||
void VisualizationChart::append(const qreal y)
|
||||
{
|
||||
append(QPointF(++xi, y));
|
||||
}
|
||||
|
||||
void VisualizationChart::appendNextX()
|
||||
{
|
||||
(++xi);
|
||||
}
|
||||
void VisualizationChart::appendYToSeries(int serNum, const qreal y)
|
||||
{
|
||||
appendPointToSeries(serNum, QPointF(xi, y));
|
||||
}
|
||||
|
||||
VisualizationChart &VisualizationChart::operator+=(const QPointF point)
|
||||
{
|
||||
append(point);
|
||||
return *this;
|
||||
}
|
||||
VisualizationChart &VisualizationChart::operator+=(const qreal y)
|
||||
{
|
||||
append(y);
|
||||
return *this;
|
||||
}
|
||||
|
||||
VisualizationChart &VisualizationChart::operator<<(const QPointF point)
|
||||
{
|
||||
append(point);
|
||||
return *this;
|
||||
}
|
||||
VisualizationChart &VisualizationChart::operator<<(const qreal y)
|
||||
{
|
||||
append(y);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
void VisualizationChart::refreshSeries(int serNum)
|
||||
{
|
||||
auto series = mSeriesMap[serNum];
|
||||
auto points = series->points();
|
||||
|
||||
int x = 0, y = 0;
|
||||
x = (points.last().x());
|
||||
y = (points.last().y());
|
||||
|
||||
// Delete the first items if the number of points has reached a threshold
|
||||
while (series->points().length() > 0 && series->points().length() >= xlimit)
|
||||
series->remove(0);
|
||||
|
||||
if (points.size() == 0)
|
||||
return;
|
||||
|
||||
xmin = xmax = x;
|
||||
ymax = y;
|
||||
|
||||
// Update the chart area
|
||||
for (int i = 0; i < series->count(); i++) {
|
||||
const QPointF &point = series->at(i);
|
||||
|
||||
if (point.x() > xmax)
|
||||
xmax = (point.x());
|
||||
|
||||
if (point.x() < xmin)
|
||||
xmin = (point.x());
|
||||
|
||||
if (point.y() > ymax)
|
||||
ymax = (point.y());
|
||||
}
|
||||
|
||||
ymin = 0;
|
||||
//ymax = ymax + yeps;
|
||||
|
||||
// Update the axis
|
||||
if(mMakeXaxisLengtGrowToTheRightAccordingIncommingXdata)
|
||||
{
|
||||
axisX->setRange(0, xmax);
|
||||
}
|
||||
else
|
||||
{
|
||||
axisX->setRange(xmin, xmax);
|
||||
}
|
||||
|
||||
if(mMakeYaxisLengtAutoResizeAccordingIncommingYdata)
|
||||
{
|
||||
int min_ = mQue.min();
|
||||
int max_ = mQue.max();
|
||||
|
||||
int min = mQue.min() - mQue.offset();
|
||||
int max = mQue.max() + mQue.offset();
|
||||
|
||||
axisY->setRange(min, max);
|
||||
}
|
||||
else
|
||||
{
|
||||
// keep Y axis static from the start
|
||||
int min = mMinY - mQue.offset();
|
||||
int max = mMaxY + mQue.offset();
|
||||
|
||||
axisY->setRange(min , max);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void VisualizationChart::show15MinutesXIntervalNearCursor(QGraphicsSceneHoverEvent *event)
|
||||
{
|
||||
int x1 = event->scenePos().x();
|
||||
int y1 = 58;
|
||||
int x2 = x1;
|
||||
int y2 = size().height() - 50; // y1 + 100;
|
||||
m_lineVert->setLine(x1, y1, x2, y2);
|
||||
QChart::hoverEnterEvent(event);
|
||||
|
||||
int secs = x1 - 45;
|
||||
|
||||
emit sendSecs(secs);
|
||||
|
||||
if (secs <= 0)
|
||||
m_lineVertText->setPlainText(QString(""));
|
||||
else if (secs < 60)
|
||||
m_lineVertText->setPlainText(QString("%1 с").arg(secs));
|
||||
else if (secs % 60 == 0)
|
||||
m_lineVertText->setPlainText(QString("%1 мин").arg(secs / 60));
|
||||
else if (secs > 60)
|
||||
m_lineVertText->setPlainText(QString("%1 мин %2 с").arg(secs / 60).arg(secs % 60));
|
||||
|
||||
m_lineVertText->setPos(x1, y1 + 20);
|
||||
}
|
||||
|
||||
void VisualizationChart::showCoordinatesNearCursor(QGraphicsSceneHoverEvent *event)
|
||||
{
|
||||
int x = event->scenePos().x();
|
||||
int y = event->scenePos().y();
|
||||
m_lineVertText->setPlainText(QString("%1 %2").arg(x).arg(y));
|
||||
m_lineVertText->setPos(x, y);
|
||||
}
|
||||
|
||||
void VisualizationChart::showUpdatedCoordinatesNearCursor(QGraphicsSceneHoverEvent *event)
|
||||
{
|
||||
static int chartTopY = 39;
|
||||
static int chartLeftX = 39;
|
||||
static int chartBottomY = 385;
|
||||
static int chartRightX = 910;
|
||||
static int chartFullX = chartRightX - chartLeftX;
|
||||
|
||||
int x = (event->scenePos().x() - chartLeftX);
|
||||
if(x<0 || x>chartRightX) x = 0;
|
||||
int y = (event->scenePos().y() - chartTopY);
|
||||
if(y<0 || x>chartBottomY) y = 0;
|
||||
|
||||
//this->axisX->;
|
||||
int min = axisX->min();
|
||||
int max = axisX->max();
|
||||
int width = max - min;
|
||||
|
||||
int secs = xi;
|
||||
int onePart = chartFullX / secs;
|
||||
int halfPart = onePart / 2;
|
||||
int val = 0;
|
||||
for(int i = 0, ilen = secs, left=0, right=0; i<ilen; ++i)
|
||||
{
|
||||
left = i * onePart;
|
||||
right = (i+1) * onePart;
|
||||
if(x>=left && x<=right)
|
||||
{
|
||||
if(x>=left && x<=left+halfPart) {
|
||||
val = i+1;
|
||||
break;
|
||||
}
|
||||
if(x>=right-halfPart && x<=right) {
|
||||
val = i+2;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//m_lineVertText->setPlainText(QString("%1 %2 - %3 %4 ").arg(min).arg(max).arg(x).arg(y));
|
||||
//m_lineVertText->setPlainText(QString("%1 %2 ").arg(x).arg(y));
|
||||
m_lineVertText->setPlainText(QString("%1 %2 %3 ").arg(val).arg(x).arg(y));
|
||||
m_lineVertText->setPos(x, y);
|
||||
}
|
||||
|
||||
void VisualizationChart::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
|
||||
{
|
||||
//this->axisX->;
|
||||
int ssecs = xi;
|
||||
int min = axisX->min();
|
||||
int max = axisX->max();
|
||||
|
||||
int width = max - min;
|
||||
if(width==0) // DEVISION BY ZERO
|
||||
return;
|
||||
|
||||
int ssecsModWidth = ssecs % width;
|
||||
if(ssecs==0 || width==0 || ssecsModWidth==0) // DEVISION BY ZERO
|
||||
return;
|
||||
|
||||
|
||||
//show15MinutesXIntervalNearCursor(event);
|
||||
//showCoordinatesNearCursor(event);
|
||||
//showUpdatedCoordinatesNearCursor(event);
|
||||
bool showAllSecondsPassedOutsideRangeOfAxisXThatItShows = true;
|
||||
|
||||
int x1 = event->scenePos().x();
|
||||
int y1 = 40;
|
||||
int x2 = x1;
|
||||
int y2 = size().height() - 58; // y1 + 100;
|
||||
m_lineVert->setLine(x1, y1, x2, y2);
|
||||
QChart::hoverEnterEvent(event);
|
||||
|
||||
int secs = x1 - 45;
|
||||
|
||||
emit sendSecs(secs);
|
||||
|
||||
if(showAllSecondsPassedOutsideRangeOfAxisXThatItShows)
|
||||
if(ssecs-1 > width)
|
||||
ssecs = width; //ssecs = ssecs % width; //val = val % width;
|
||||
|
||||
static int chartTopY = 39;
|
||||
static int chartLeftX = 25;
|
||||
static int chartBottomY = 385;
|
||||
static int chartRightX = 900;
|
||||
static int chartFullX = chartRightX - chartLeftX;
|
||||
|
||||
int x = (event->scenePos().x() - chartLeftX);
|
||||
x = (x<0 || x>chartRightX) ? 0 : x;
|
||||
|
||||
int y = (event->scenePos().y() - chartTopY);
|
||||
y = (y<0 || x>chartBottomY) ? 0 : y;
|
||||
|
||||
int onePart = chartFullX / ssecs;
|
||||
int halfPart = onePart / 2;
|
||||
int val = 0;
|
||||
for(int i = 0, ilen = ssecs, left=0, right=0; i<ilen; ++i)
|
||||
{
|
||||
left = i * onePart;
|
||||
right = (i+1) * onePart;
|
||||
if(x>=left && x<=right)
|
||||
{
|
||||
if(x>=left && x<=left+halfPart) {
|
||||
val = i; //i+1;
|
||||
break;
|
||||
}
|
||||
if(x>=right-halfPart && x<=right) {
|
||||
val = i+1; //i+2;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//m_lineVertText->setPlainText(QString("%1 %2 - %3 %4 ").arg(min).arg(max).arg(x).arg(y));
|
||||
//m_lineVertText->setPlainText(QString("%1 %2 ").arg(x).arg(y));
|
||||
//m_lineVertText->setPlainText(QString("%1 %2 %3 ").arg(val).arg(x).arg(y));
|
||||
|
||||
if (val <= 0)
|
||||
m_lineVertText->setPlainText(QString(""));
|
||||
else if (val < 60)
|
||||
m_lineVertText->setPlainText(QString("%1 с").arg(val));
|
||||
else if (val % 60 == 0)
|
||||
m_lineVertText->setPlainText(QString("%1 мин").arg(val / 60));
|
||||
else if (val > 60)
|
||||
m_lineVertText->setPlainText(QString("%1 мин %2 с").arg(val / 60).arg(val % 60));
|
||||
|
||||
m_lineVertText->setPos(x1, y1 + 20);
|
||||
}
|
||||
|
||||
void VisualizationChart::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
|
||||
{
|
||||
// ensure it is visible
|
||||
if (this->isVisible()) {
|
||||
// Update cursor position (text to be displayed)
|
||||
QString string = QString("%1, %2").arg(event->scenePos().x()).arg(event->scenePos().y());
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user