/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany // // written by Christian Daniel // // Copyright (C) 2015-2019 Edouard Griffiths, F4EXB // // Copyright (C) 2021, 2023 Jon Beniston, M7RCE // // // // 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 . // /////////////////////////////////////////////////////////////////////////////////// #ifndef SDRGUI_GUI_LOGSLIDER_H #define SDRGUI_GUI_LOGSLIDER_H #include #include "export.h" // Logarithmic Slider (hozizontal only) class SDRGUI_API LogSlider : public QSlider { Q_OBJECT public: explicit LogSlider(QWidget *parent = nullptr); void setRange(double min, double max); void setValue(double value); signals: void logValueChanged(double value); private slots: void handleValueChanged(int value); private: double m_start; double m_stop; double m_steps; static const int m_stepsPerPower = 100; }; #endif // SDRGUI_GUI_LOGSLIDER_H