mirror of git://sigrok.org/pulseview
89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
/*
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* This file is part of the PulseView project.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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#include <cassert>
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#include <QComboBox>
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#include "enum.hpp"
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using std::pair;
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using std::vector;
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namespace pv {
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namespace prop {
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Enum::Enum(QString name, QString desc,
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vector<pair<Glib::VariantBase, QString> > values,
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Getter getter, Setter setter) :
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Property(name, desc, getter, setter),
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values_(values),
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selector_(nullptr)
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{
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}
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QWidget* Enum::get_widget(QWidget *parent, bool auto_commit)
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{
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if (selector_)
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return selector_;
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if (!getter_)
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return nullptr;
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Glib::VariantBase variant = getter_();
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if (!variant.gobj())
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return nullptr;
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selector_ = new QComboBox(parent);
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for (unsigned int i = 0; i < values_.size(); i++) {
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const pair<Glib::VariantBase, QString> &v = values_[i];
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selector_->addItem(v.second, qVariantFromValue(v.first));
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if (v.first.equal(variant))
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selector_->setCurrentIndex(i);
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}
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if (auto_commit)
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connect(selector_, SIGNAL(currentIndexChanged(int)),
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this, SLOT(on_current_item_changed(int)));
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return selector_;
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}
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void Enum::commit()
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{
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assert(setter_);
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if (!selector_)
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return;
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const int index = selector_->currentIndex();
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if (index < 0)
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return;
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setter_(selector_->itemData(index).value<Glib::VariantBase>());
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}
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void Enum::on_current_item_changed(int)
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{
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commit();
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}
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} // namespace prop
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} // namespace pv
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