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vectoredit.cpp
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Thu, Dec 5, 05:14

vectoredit.cpp
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#include "vectoredit.h"
#include <QVBoxLayout>
#include <QHBoxLayout>
using namespace std;
void VectorEdit::returnHandle()
{
size_t count(0);
for (auto& c : components)
{
QLineEdit * edit = &(*c);
// detect focused widget
if (edit->hasFocus())
{
edit->clearFocus();
emit valueChanged(count, getContent(count));
break;
}
++count;
}
}
VectorEdit::VectorEdit(const QString &label, Qt::Orientation orient, const double * buffer, std::size_t size, QWidget *parent)
: QGroupBox(label, parent)
{
switch (orient)
{
case Qt::Vertical:
layout = new QVBoxLayout;
break;
case Qt::Horizontal:
layout = new QHBoxLayout;
break;
default:
// TODO, error
break;
}
setLayout(layout);
if (buffer)
{
components.reserve(size);
for (size_t i = 0; i < size; ++i)
pushComponent(buffer[i]);
}
}
VectorEdit::~VectorEdit()
{
}
std::size_t VectorEdit::pushComponent(double init)
{
QLineEdit * edit = new QLineEdit(QString::number(init, 'g', 2), this);
layout->addWidget(edit);
connect(edit, SIGNAL(returnPressed()), this, SLOT(returnHandle()));
components.push_back(unique_ptr<QLineEdit>(edit));
QGroupBox::update();
return components.size() - 1;
}
void VectorEdit::popComponent()
{
layout->removeWidget(&(*components.back()));
components.pop_back();
QGroupBox::update();
}
std::size_t VectorEdit::size() const
{
return components.size();
}
void VectorEdit::setContent(std::size_t index, double value, bool force)
{
if (force || !isFocused(index))
(*components[index]).setText(QString::number(value, 'g', 2));
}
double VectorEdit::getContent(std::size_t index)
{
return (*components[index]).text().toDouble();
}
bool VectorEdit::isFocused(std::size_t index) const
{
return (*components[index]).hasFocus();
}
void VectorEdit::setAll(const double *buffer, std::size_t count, bool force)
{
if (count > size())
{
components.reserve(count);
for (size_t i = count; i < count; ++i)
pushComponent();
}
for (size_t i = 0; i < count; ++i)
{
if(force || ((*components[i]).hasFocus()))
setContent(i, buffer[i]);
}
}

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