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116 lines
4.9 KiB
C++
116 lines
4.9 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library 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 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#include "cafPdmUiSliderTools.h"
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#include <QSlider>
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namespace caf
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{
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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PdmDoubleValidator::PdmDoubleValidator( QObject* parent /*= nullptr */ )
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: QDoubleValidator( parent )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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PdmDoubleValidator::PdmDoubleValidator( double bottom, double top, int decimals, QObject* parent )
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: QDoubleValidator( bottom, top, decimals, parent )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmDoubleValidator::fixup( QString& stringValue ) const
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{
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double doubleValue = stringValue.toDouble();
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doubleValue = qBound( bottom(), doubleValue, top() );
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stringValue = QString::number( doubleValue, 'g', decimals() );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiSliderTools::updateSliderPosition( QSlider* slider, double value, const PdmUiDoubleSliderEditorAttribute& attributes )
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{
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if ( !slider ) return;
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int newSliderPosition = convertToSliderValue( slider, value, attributes );
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if ( slider->value() != newSliderPosition )
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{
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slider->blockSignals( true );
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slider->setValue( newSliderPosition );
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slider->blockSignals( false );
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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int PdmUiSliderTools::convertToSliderValue( QSlider* slider, double value, const PdmUiDoubleSliderEditorAttribute& attributes )
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{
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double exactSliderValue =
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slider->maximum() * ( value - attributes.m_minimum ) / ( attributes.m_maximum - attributes.m_minimum );
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int sliderValue = static_cast<int>( exactSliderValue + 0.5 );
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sliderValue = qBound( slider->minimum(), sliderValue, slider->maximum() );
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return sliderValue;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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double PdmUiSliderTools::convertFromSliderValue( QSlider* slider,
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int sliderValue,
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const PdmUiDoubleSliderEditorAttribute& attributes )
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{
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double clampedValue = attributes.m_minimum +
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sliderValue * ( attributes.m_maximum - attributes.m_minimum ) / slider->maximum();
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clampedValue = qBound( attributes.m_minimum, clampedValue, attributes.m_maximum );
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return clampedValue;
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}
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} //namespace caf
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