#include "qtdialog.h"
#include "ui_qtdialog.h"
#include <cassert>
#include <cmath>
#include <string>
#include <string>
#include <sstream>
#include <boost/lexical_cast.hpp>
#include <boost/filesystem.hpp>
#include <boost/version.hpp>
#include <QLabel>
#include <QVBoxLayout>
#include "fparser.hh"
#include "qwt_plot.h"
#include "qwt_plot_curve.h"
#include "qwt_point_data.h"
#include "qwt_text.h"
QtDialog::QtDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::QtDialog),
m_curve(new QwtPlotCurve("Sine")),
m_plot(new QwtPlot(QwtText("CppQwtExample1")))
{
ui->setupUi(this);
assert(!this->layout());
QLayout * const my_layout = new QVBoxLayout;
this->setLayout(my_layout);
#ifndef NDEBUG
my_layout->addWidget(new QLabel("DEBUG"));
#else
my_layout->addWidget(new QLabel("RELEASE"));
#endif
my_layout->addWidget(new QLabel( ("GCC version: " + GetGccVersion()).c_str()));
//my_layout->addWidget(new QLabel( ("Qt Creator version: " + GetQtCreatorVersion()).c_str()));
my_layout->addWidget(new QLabel( ("STL version: " + GetStlVersion()).c_str()));
my_layout->addWidget(new QLabel( ("Boost version: " + GetBoostVersion()).c_str()));
{
FunctionParser f;
f.Parse("x * x","x");
assert(f.GetParseErrorType()== FunctionParser::FP_NO_ERROR);
const double xs[1] = { M_PI };
const double y = f.Eval(xs);
assert(f.EvalError()==0);
my_layout->addWidget(new QLabel("Warp's function parser version: 4.5.1"));
}
{
m_plot->setGeometry(0,0,640,400);
m_plot->setAxisScale(QwtPlot::xBottom, 0.0,2.0 * M_PI);
m_plot->setAxisScale(QwtPlot::yLeft,-1.0,1.0);
std::vector<double> xs;
std::vector<double> ys;
for (double x = 0; x < 2.0 * M_PI; x+=(M_PI / 10.0))
{
xs.push_back(x);
ys.push_back(std::sin(x));
}
QwtPointArrayData * const data = new QwtPointArrayData(&xs[0],&ys[0],xs.size());
m_curve->setData(data);
m_curve->attach(m_plot);
m_plot->replot();
my_layout->addWidget(m_plot);
}
}
QtDialog::~QtDialog()
{
delete ui;
}
const std::vector<std::string> QtDialog::FileToVector(const std::string& filename)
{
assert(boost::filesystem::exists(filename));
std::vector<std::string> v;
std::ifstream in(filename.c_str());
std::string s;
for (int i=0; !in.eof(); ++i)
{
std::getline(in,s);
v.push_back(s);
}
return v;
}
const std::string QtDialog::GetBoostVersion()
{
std::string s = BOOST_LIB_VERSION;
std::replace(s.begin(),s.end(),'_','.');
return s;
}
const std::string QtDialog::GetGccVersion()
{
return
boost::lexical_cast<std::string>(__GNUC__)
+ std::string(".")
+ boost::lexical_cast<std::string>(__GNUC_MINOR__)
+ std::string(".")
+ boost::lexical_cast<std::string>(__GNUC_PATCHLEVEL__);
}
const std::string QtDialog::GetQtCreatorVersion()
{
//'2>' denotes -AFAIK- 'Write to file only, no screen output'
std::system("qtcreator -version 2> tmp.txt");
const std::vector<std::string> v = FileToVector("tmp.txt");
const std::size_t sz = v.size();
assert(sz > 1);
for (std::size_t i=0; i!=sz; ++i)
{
const std::string& s = v[i];
if (s.substr(0,11) == std::string("Qt Creator "))
{
return s.substr(11,5);
}
}
return "";
}
const std::string QtDialog::GetStlVersion()
{
return boost::lexical_cast<std::string>(__VERSION__);
}
|
