forked from osmocom/wireshark
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
/* numeric_value_chooser_delegate.cpp
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* Delegate to select a numeric value for a treeview entry
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "ui/qt/numeric_value_chooser_delegate.h"
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#include <QStyledItemDelegate>
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#include <QSpinBox>
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NumericValueChooserDelegate::NumericValueChooserDelegate(int min, int max, QObject *parent)
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: QStyledItemDelegate(parent)
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{
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_min = min;
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_max = max;
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_default = min;
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}
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NumericValueChooserDelegate::~NumericValueChooserDelegate()
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{
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}
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void NumericValueChooserDelegate::setMinMaxRange(int min, int max)
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{
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_min = qMin(min, max);
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_max = qMax(min, max);
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/* ensure, that the default value is within the new min<->max */
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_default = qMin(_max, qMax(_min, _default));
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_defReturn = qVariantFromValue(_default);
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}
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void NumericValueChooserDelegate::setDefaultValue(int defValue, QVariant defaultReturn)
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{
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/* ensure, that the new default value is within min<->max */
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_default = qMin(_max, qMax(_min, defValue));
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_defReturn = defaultReturn;
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}
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QWidget* NumericValueChooserDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (!index.isValid()) {
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return QStyledItemDelegate::createEditor(parent, option, index);
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}
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QSpinBox * editor = new QSpinBox(parent);
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editor->setMinimum(_min);
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editor->setMaximum(_max);
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editor->setWrapping(true);
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connect(editor, SIGNAL(valueChanged(int)), this, SLOT(onValueChanged(int)));
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return editor;
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}
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void NumericValueChooserDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
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{
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if ( index.isValid() )
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{
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bool canConvert = false;
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int val = index.data().toInt(&canConvert);
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if ( ! canConvert )
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val = _default;
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QSpinBox * spinBox = qobject_cast<QSpinBox *>(editor);
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spinBox->setValue(val);
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}
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else
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QStyledItemDelegate::setEditorData(editor, index);
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}
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void NumericValueChooserDelegate::setModelData(QWidget *editor, QAbstractItemModel * model, const QModelIndex &index) const
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{
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if ( index.isValid() ) {
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QSpinBox * spinBox = qobject_cast<QSpinBox *>(editor);
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model->setData(index, _default == spinBox->value() ? _defReturn : qVariantFromValue(spinBox->value()));
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} else {
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QStyledItemDelegate::setModelData(editor, model, index);
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}
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}
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void NumericValueChooserDelegate::onValueChanged(int)
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{
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QSpinBox * spinBox = qobject_cast<QSpinBox *>(sender());
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emit commitData(spinBox);
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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