// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause /* delegate.cpp A delegate that allows the user to change integer values from the model using a spin box widget. */ #include "delegate.h" #include //! [0] SpinBoxDelegate::SpinBoxDelegate(QObject *parent) : QStyledItemDelegate(parent) { } //! [0] //! [1] QWidget *SpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const { QSpinBox *editor = new QSpinBox(parent); editor->setFrame(false); editor->setMinimum(0); editor->setMaximum(100); return editor; } //! [1] //! [2] void SpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const { int value = index.model()->data(index, Qt::EditRole).toInt(); QSpinBox *spinBox = static_cast(editor); spinBox->setValue(value); } //! [2] //! [3] void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const { QSpinBox *spinBox = static_cast(editor); spinBox->interpretText(); int value = spinBox->value(); model->setData(index, value, Qt::EditRole); } //! [3] //! [4] void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const { editor->setGeometry(option.rect); } //! [4]