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55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2023 Jon Beniston, M7RCE //
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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 as version 3 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 V3 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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#ifndef SDRGUI_GUI_LOGSLIDER_H
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#define SDRGUI_GUI_LOGSLIDER_H
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#include <QSlider>
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#include "export.h"
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// Logarithmic Slider (hozizontal only)
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class SDRGUI_API LogSlider : public QSlider {
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Q_OBJECT
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public:
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explicit LogSlider(QWidget *parent = nullptr);
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void setRange(double min, double max);
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void setValue(double value);
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signals:
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void logValueChanged(double value);
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private slots:
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void handleValueChanged(int value);
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private:
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double m_start;
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double m_stop;
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double m_steps;
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static const int m_stepsPerPower = 100;
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};
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#endif // SDRGUI_GUI_LOGSLIDER_H
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