mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-26 17:58:43 -05:00
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// Copyright (C) 2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QDebug>
|
|
|
|
#include <cmath>
|
|
|
|
#include "loglabelslider.h"
|
|
|
|
LogLabelSlider::LogLabelSlider(QWidget *parent) :
|
|
QWidget(parent)
|
|
{
|
|
m_vLayout = new QVBoxLayout(this);
|
|
m_hLayout = new QHBoxLayout();
|
|
m_slider = new LogSlider();
|
|
connect(m_slider, &LogSlider::logValueChanged, this, &LogLabelSlider::handleLogValueChanged);
|
|
|
|
m_vLayout->addLayout(m_hLayout);
|
|
m_vLayout->addWidget(m_slider);
|
|
}
|
|
|
|
void LogLabelSlider::setRange(double min, double max)
|
|
{
|
|
m_slider->setRange(min, max);
|
|
double start = floor(log10(min));
|
|
double stop = ceil(log10(max));
|
|
double steps = stop - start;
|
|
|
|
qDeleteAll(m_labels);
|
|
m_labels.clear();
|
|
|
|
double v = pow(10.0, start);
|
|
for (int i = 0; i <= steps; i++)
|
|
{
|
|
QString t = QString("%1").arg(v);
|
|
|
|
QLabel *label = new QLabel(t);
|
|
|
|
if (i == 0) {
|
|
label->setAlignment(Qt::AlignLeft);
|
|
} else if (i == steps) {
|
|
label->setAlignment(Qt::AlignRight);
|
|
} else {
|
|
label->setAlignment(Qt::AlignCenter);
|
|
}
|
|
|
|
|
|
m_labels.append(label);
|
|
m_hLayout->addWidget(label);
|
|
|
|
v *= 10.0;
|
|
}
|
|
}
|
|
|
|
void LogLabelSlider::handleLogValueChanged(double value)
|
|
{
|
|
emit logValueChanged(value);
|
|
}
|