valentina_old/widgets/doubledelegate.cpp

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 /*
     doubledelegate.cpp

     A delegate that allows the user to change integer values from the model
     using a spin box widget.
 */

#include <QtGui>
#include "doubledelegate.h"

 DoubleSpinBoxDelegate::DoubleSpinBoxDelegate(QObject *parent)
     : QItemDelegate(parent)
 {
 }

 QWidget *DoubleSpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */,
     const QModelIndex &/* index */) const{
     QDoubleSpinBox *editor = new QDoubleSpinBox(parent);
     editor->setMinimum(-10000.0);
     editor->setMaximum(10000.0);

     return editor;
 }

 void DoubleSpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const{
     qreal value = index.model()->data(index, Qt::EditRole).toDouble();

     QDoubleSpinBox *spinBox = static_cast<QDoubleSpinBox*>(editor);
     spinBox->setValue(value);
 }

 void DoubleSpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
                                    const QModelIndex &index) const{
     QDoubleSpinBox *spinBox = static_cast<QDoubleSpinBox*>(editor);
     spinBox->interpretText();
     qreal value = spinBox->value();

     model->setData(index, value, Qt::EditRole);
 }

 void DoubleSpinBoxDelegate::updateEditorGeometry(QWidget *editor,
     const QStyleOptionViewItem &option, const QModelIndex &/* index */) const{
     editor->setGeometry(option.rect);
 }