forked from Ivasoft/DSView
100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
/*
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* This file is part of the DSLogic-gui project.
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* DSLogic-gui is based on PulseView.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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* Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <assert.h>
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#include <QDoubleSpinBox>
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#include "double.h"
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using namespace std;
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using namespace boost;
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namespace pv {
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namespace prop {
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Double::Double(QString name,
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int decimals,
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QString suffix,
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optional< pair<double, double> > range,
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optional<double> step,
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Getter getter,
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Setter setter) :
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Property(name, getter, setter),
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_decimals(decimals),
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_suffix(suffix),
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_range(range),
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_step(step),
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_spin_box(NULL)
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{
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}
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Double::~Double()
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{
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}
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QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
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{
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if (_spin_box)
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return _spin_box;
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_spin_box = new QDoubleSpinBox(parent);
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_spin_box->setDecimals(_decimals);
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_spin_box->setSuffix(_suffix);
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if (_range)
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_spin_box->setRange(_range->first, _range->second);
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if (_step)
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_spin_box->setSingleStep(*_step);
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GVariant *const value = _getter ? _getter() : NULL;
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if (value) {
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_spin_box->setValue(g_variant_get_double(value));
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g_variant_unref(value);
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}
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if (auto_commit)
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connect(_spin_box, SIGNAL(valueChanged(double)),
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this, SLOT(on_value_changed(double)));
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return _spin_box;
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}
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void Double::commit()
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{
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assert(_setter);
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if (!_spin_box)
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return;
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_setter(g_variant_new_double(_spin_box->value()));
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}
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void Double::on_value_changed(double)
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{
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commit();
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}
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} // prop
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} // pv
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