HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/ekgchart/chartview.cpp

legend refactoring.

Michal Klocek - - Load All Authors

File last commit:

r705:46244239bbcc


                r792:f33d64d30a1c

Download file

             chartview.cpp
        
                    57 lines
            
             | 1.1 KiB
            
                | text/x-c
            
             |
                CppLexer
            
             / examples / ekgchart / chartview.cpp
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      #include "chartview.h"

      #include <QSplineSeries>

      #include <QTime>

      ChartView::ChartView(QWidget* parent):QChartView(parent),

      m_step(1),

      m_x(0),

      m_y(1)

      {

          QTime now = QTime::currentTime();

          qsrand((uint)now.msec());

          setChartTitle("Three random line charts");

          QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout()));

          m_timer.setInterval(1000);

          m_series0 = new QLineSeries(this);

          QPen blue(Qt::blue);

          blue.setWidth(3);

          m_series0->setPen(blue);

          m_series1 = new QSplineSeries(this);

          QPen green(Qt::red);

          green.setWidth(3);

          m_series1->setPen(green);

          m_series0->add(m_x,m_y);

          m_series1->add(m_x,m_y);

          setChartTitle("Simple EKG chart");

          addSeries(m_series0);

          addSeries(m_series1);

          axisY()->setRange(-5,5);

          axisX()->setRange(-9,1);

          axisX()->setTicksCount(11);

          m_timer.start();

      }

      ChartView::~ChartView()

      {

      }

      void ChartView::handleTimeout()

      {

          m_x+=m_step;

          m_y = qrand() % 5 - 2.5;

          m_series0->add(m_x,m_y);

          m_series1->add(m_x,m_y);

          if(m_x>=10)

          {

              m_series0->remove(m_x-10);

              m_series1->remove(m_x-10);

          }

          scrollRight();

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				#include "chartview.h"
				#include <QSplineSeries>
				#include <QTime>

				ChartView::ChartView(QWidget* parent):QChartView(parent),
				m_step(1),
				m_x(0),
				m_y(1)
				{
				QTime now = QTime::currentTime();
				qsrand((uint)now.msec());
				setChartTitle("Three random line charts");

				QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(handleTimeout()));
				m_timer.setInterval(1000);

				m_series0 = new QLineSeries(this);
				QPen blue(Qt::blue);
				blue.setWidth(3);
				m_series0->setPen(blue);


				m_series1 = new QSplineSeries(this);
				QPen green(Qt::red);
				green.setWidth(3);
				m_series1->setPen(green);

				m_series0->add(m_x,m_y);
				m_series1->add(m_x,m_y);

				setChartTitle("Simple EKG chart");
				addSeries(m_series0);
				addSeries(m_series1);
				axisY()->setRange(-5,5);
				axisX()->setRange(-9,1);
				axisX()->setTicksCount(11);
				m_timer.start();
				}

				ChartView::~ChartView()
				{

				}

				void ChartView::handleTimeout()
				{
				m_x+=m_step;
				m_y = qrand() % 5 - 2.5;
				m_series0->add(m_x,m_y);
				m_series1->add(m_x,m_y);
				if(m_x>=10)
				{
				m_series0->remove(m_x-10);
				m_series1->remove(m_x-10);
				}
				scrollRight();
				}