delegate.cpp Example File
itemviews/spinboxdelegate/delegate.cpp
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/*
delegate.cpp
A delegate that allows the user to change integer values from the model
using a spin box widget.
*/
#include <QtGui>
#include "delegate.h"
SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
: QItemDelegate(parent)
{
}
QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &/* option */,
const QModelIndex &/* index */) const
{
QSpinBox *editor = new QSpinBox(parent);
editor->setMinimum(0);
editor->setMaximum(100);
editor->installEventFilter(const_cast<SpinBoxDelegate*>(this));
return editor;
}
void SpinBoxDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
int value = index.model()->data(index, Qt::DisplayRole).toInt();
QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
spinBox->setValue(value);
}
void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
const QModelIndex &index) const
{
QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
spinBox->interpretText();
int value = spinBox->value();
model->setData(index, value);
}
void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
{
editor->setGeometry(option.rect);
}