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#include "Show_point_dialog.h"
#include "ui_Show_point_dialog.h"
#include <QClipboard>
#include <QRegularExpression>
Show_point_dialog::Show_point_dialog(QWidget* parent)
: QDialog(parent)
, ui(new Ui::Show_point_dialog)
, m_has_correct_coordinates(false)
{
ui->setupUi(this);
QClipboard::Mode mode = QClipboard::Selection;
while(true) {
QString clipboard_text = QApplication::clipboard()->text(mode);
interprete_string(clipboard_text);
if(m_has_correct_coordinates) {
ui->lineEdit->setText(clipboard_text);
ui->lineEdit->selectAll();
break;
} else {
interprete_string(ui->lineEdit->text());
}
if(mode == QClipboard::Selection) mode = QClipboard::Clipboard;
else break;
}
connect(ui->lineEdit, SIGNAL(textChanged(const QString&)),
this, SLOT(interprete_string(const QString&)));
}
Show_point_dialog::~Show_point_dialog()
{
delete ui;
}
void Show_point_dialog::interprete_string(const QString& string)
{
QString double_re("([-+]?[0-9]*\\.?[0-9]+(?:[eE][-+]?[0-9]+)?)");
QString not_double_char_re("[^0-9-+.eE]");
QString full_re = QString("^")
+ not_double_char_re + "*"
+ double_re
+ not_double_char_re + "+"
+ double_re
+ not_double_char_re + "+"
+ double_re
+ "(" + not_double_char_re + "*"
+ "|" + not_double_char_re + "+" + double_re
+ ")"
+ "$";
QRegularExpression re(full_re);
QRegularExpressionMatch match = re.match(string);
if(match.hasMatch()) {
// const double x = re.cap(1).toDouble();
// const double y = re.cap(2).toDouble();
// const double z = re.cap(3).toDouble();
ui->coord_x->setText(QString(match.captured(1)));
ui->coord_y->setText(QString(match.captured(2)));
ui->coord_z->setText(QString(match.captured(3)));
m_has_correct_coordinates = true;
}
else {
ui->coord_x->setText(QString());
ui->coord_y->setText(QString());
ui->coord_z->setText(QString());
m_has_correct_coordinates = false;
}
}
double Show_point_dialog::get_x() const
{
return ui->coord_x->text().toDouble();
}
double Show_point_dialog::get_y() const
{
return ui->coord_y->text().toDouble();
}
double Show_point_dialog::get_z() const
{
return ui->coord_z->text().toDouble();
}
bool Show_point_dialog::has_correct_coordinates() const
{
return m_has_correct_coordinates;
}
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