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			55 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			55 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | ///////////////////////////////////////////////////////////////////////////////////
 | ||
|  | // 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             //
 | ||
|  | // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////////
 | ||
|  | 
 | ||
|  | #ifndef SDRGUI_GUI_LOGSLIDER_H
 | ||
|  | #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)
 | ||
|  | 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
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