QTransferFunctionEditorByValues::QTransferFunctionEditorByValues(QWidget *parent)
: QTransferFunctionEditor(parent)
{
setupUi(this);
// Creem una scroll area per si hi ha molts intervals (no es pot crear des del Qt Designer)
QScrollArea *scrollArea = new QScrollArea(this);
qobject_cast<QBoxLayout*>(this->layout())->insertWidget(1, scrollArea);
m_intervalEditorsWidget = new QWidget(scrollArea);
QBoxLayout *layout = new QVBoxLayout(m_intervalEditorsWidget);
m_intervalEditorsLayout = new QVBoxLayout();
layout->addLayout(m_intervalEditorsLayout);
layout->addStretch();
layout->setMargin(0);
scrollArea->setWidget(m_intervalEditorsWidget);
scrollArea->setWidgetResizable(true);
scrollArea->setFrameShape(QFrame::NoFrame);
// Creem el primer interval
QTransferFunctionIntervalEditor *first = new QTransferFunctionIntervalEditor(m_intervalEditorsWidget);
first->setIsFirst(true);
first->setIsLast(true);
first->setObjectName("interval0");
m_intervalEditorsLayout->addWidget(first);
connect(first, SIGNAL(startChanged(int)), SLOT(markAsChanged()));
connect(first, SIGNAL(endChanged(int)), SLOT(markAsChanged()));
connect(first, SIGNAL(colorChanged(const QColor&)), SLOT(markAsChanged()));
// Mida mínima de la scroll area
QStyle *style = scrollArea->style();
int scrollBarWidth = style->pixelMetric(QStyle::PM_ScrollBarExtent);
scrollArea->setMinimumWidth(first->minimumSizeHint().width() + scrollBarWidth);
m_numberOfIntervals = 1;
m_changed = true;
connect(m_addPushButton, SIGNAL(clicked()), SLOT(addInterval()));
connect(m_removePushButton, SIGNAL(clicked()), SLOT(removeInterval()));
connect(m_nameLineEdit, SIGNAL(textChanged(const QString&)), SLOT(markAsChanged()));
}
