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/* numeric_value_chooser_delegate.cpp
* Delegate to select a numeric value for a treeview entry
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+*/
#include "config.h"
#include <ui/qt/models/numeric_value_chooser_delegate.h>
#include <QStyledItemDelegate>
#include <QSpinBox>
NumericValueChooserDelegate::NumericValueChooserDelegate(int min, int max, QObject *parent)
: QStyledItemDelegate(parent)
{
_min = min;
_max = max;
_default = min;
}
NumericValueChooserDelegate::~NumericValueChooserDelegate()
{
}
void NumericValueChooserDelegate::setMinMaxRange(int min, int max)
{
_min = qMin(min, max);
_max = qMax(min, max);
/* ensure, that the default value is within the new min<->max */
_default = qMin(_max, qMax(_min, _default));
_defReturn = QVariant::fromValue(_default);
}
void NumericValueChooserDelegate::setDefaultValue(int defValue, QVariant defaultReturn)
{
/* ensure, that the new default value is within min<->max */
_default = qMin(_max, qMax(_min, defValue));
_defReturn = defaultReturn;
}
QWidget* NumericValueChooserDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if (!index.isValid()) {
return QStyledItemDelegate::createEditor(parent, option, index);
}
QSpinBox * editor = new QSpinBox(parent);
editor->setMinimum(_min);
editor->setMaximum(_max);
editor->setWrapping(true);
connect(editor, SIGNAL(valueChanged(int)), this, SLOT(onValueChanged(int)));
return editor;
}
void NumericValueChooserDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
if ( index.isValid() )
{
bool canConvert = false;
int val = index.data().toInt(&canConvert);
if ( ! canConvert )
val = _default;
QSpinBox * spinBox = qobject_cast<QSpinBox *>(editor);
spinBox->setValue(val);
}
else
QStyledItemDelegate::setEditorData(editor, index);
}
void NumericValueChooserDelegate::setModelData(QWidget *editor, QAbstractItemModel * model, const QModelIndex &index) const
{
if ( index.isValid() ) {
QSpinBox * spinBox = qobject_cast<QSpinBox *>(editor);
model->setData(index, _default == spinBox->value() ? _defReturn : QVariant::fromValue(spinBox->value()));
} else {
QStyledItemDelegate::setModelData(editor, model, index);
}
}
void NumericValueChooserDelegate::onValueChanged(int)
{
QSpinBox * spinBox = qobject_cast<QSpinBox *>(sender());
emit commitData(spinBox);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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