Support for XISF
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// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/NumericControl.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_NumericControl_h
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#define __PCL_NumericControl_h
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/// \file pcl/NumericControl.h
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#include <pcl/Defs.h>
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#include <pcl/Atomic.h>
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#include <pcl/AutoPointer.h>
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#include <pcl/Control.h>
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#include <pcl/Edit.h>
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#include <pcl/Label.h>
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#include <pcl/Sizer.h>
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#include <pcl/Slider.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \class NumericEdit
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* \brief A label/edit compound control to edit numeric parameters.
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*
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* ### TODO: Write a detailed description for %NumericEdit.
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*/
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class PCL_CLASS NumericEdit : public Control
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{
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public:
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HorizontalSizer sizer; //!< The Sizer object of this %NumericEdit control
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Label label; //!< The Label part of this %NumericEdit control
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Edit edit; //!< The Edit part of this %NumericEdit control
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/*!
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* Constructs a %NumericEdit object as a child control of \a parent.
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*/
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NumericEdit( Control& parent = Null() );
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/*!
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* Destroys a %NumericEdit object.
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*/
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virtual ~NumericEdit()
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{
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}
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/*!
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* Returns the current value of this %NumericEdit object.
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*/
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double Value() const
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{
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return m_value;
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}
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/*!
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* Sets the current value of this %NumericEdit object.
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*/
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void SetValue( double );
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/*! #
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*/
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String ValueAsString( double ) const;
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/*! #
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*/
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String ValueAsString() const
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{
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return ValueAsString( m_value );
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}
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/*! #
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*/
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int MinEditWidth() const;
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/*! #
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*/
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void AdjustEditWidth();
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/*! #
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*/
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bool IsReal() const
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{
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return m_real;
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}
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/*! #
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*/
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void SetReal( bool real = true );
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/*! #
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*/
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void SetInteger( bool integer = true )
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{
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SetReal( !integer );
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}
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/*! #
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*/
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double LowerBound() const
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{
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return m_lowerBound;
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}
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/*! #
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*/
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double UpperBound() const
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{
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return m_upperBound;
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}
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/*!
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* Sets the range of allowed control values.
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*
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* \param lower Minimum allowed control value, or lower bound.
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*
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* \param upper Maximum allowed control value, or upper bound.
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*
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* If the specified lower and upper bounds are not sorted in ascending
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* order, this member function will swap them automatically.
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*/
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virtual void SetRange( double lower, double upper );
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/*! #
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*/
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int Precision() const
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{
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return m_precision;
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}
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/*! #
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*/
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void SetPrecision( int n );
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/*!
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* Returns true if the precision property is being applied literally as a
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* fixed number of digits after the decimal separator. Returns false if
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* precision refers to the number of represented significant digits.
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*
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* For example, if the current value is 123.45678 and precision is 4, the
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* represented value would be:
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*
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* With fixed precision enabled: 123.4568 \n
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* With fixed precision disabled: 123.5
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*
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* By default, the precision property of a %NumericEdit control refers to
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* the number of represented significant digits, so fixed precision is
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* disabled by default.
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*
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* \sa EnableFixedPrecision(), Precision()
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*/
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bool IsFixedPrecision() const
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{
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return m_fixed;
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}
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/*!
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* Enables the fixed precision property of this %NumericEdit object. See
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* IsFixedPrecision() for detailed information.
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*/
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void EnableFixedPrecision( bool enable = true );
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/*!
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* Disables the fixed precision property of this %NumericEdit object. See
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* IsFixedPrecision() for detailed information.
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*/
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void DisableFixedPrecision( bool disable = true )
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{
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EnableFixedPrecision( !disable );
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}
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/*! #
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*/
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bool IsScientificNotation() const
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{
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return m_scientific;
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}
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/*! #
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*/
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void EnableScientificNotation( bool enable = true );
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/*! #
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*/
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void DisableScientificNotation( bool disable = true )
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{
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EnableScientificNotation( !disable );
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}
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/*! #
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*/
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int ScientificNotationTriggerExponent() const
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{
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return m_sciTriggerExp;
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}
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/*! #
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*/
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void SetScientificNotationTriggerExponent( int exp10 );
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/*! #
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*/
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bool IsFixedSign() const
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{
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return m_sign;
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}
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/*! #
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*/
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void EnableFixedSign( bool enable = true );
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/*! #
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*/
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void DisableFixedSign( bool disable = true )
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{
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EnableFixedSign( !disable );
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}
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/*! #
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*/
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bool IsAutoAdjustEditWidth() const
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{
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return m_autoEditWidth;
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}
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/*! #
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*/
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void EnableAutoAdjustEditWidth( bool enable = true )
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{
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if ( (m_autoEditWidth = enable) != false )
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AdjustEditWidth();
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}
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/*! #
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*/
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void DisableAutoAdjustEditWidth( bool disable = true )
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{
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EnableAutoAdjustEditWidth( !disable );
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}
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// -------------------------------------------------------------------------
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// Event handlers
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//
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// void OnValueUpdated( NumericControl& sender, double value );
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/*! #
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*/
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typedef void (Control::*value_event_handler)( NumericEdit& sender, double value );
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/*! #
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*/
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void OnValueUpdated( value_event_handler, Control& );
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protected:
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struct EventHandlers
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{
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value_event_handler onValueUpdated = nullptr;
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Control* onValueUpdatedReceiver = nullptr;
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EventHandlers() = default;
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EventHandlers( const EventHandlers& ) = default;
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EventHandlers& operator =( const EventHandlers& ) = default;
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};
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AutoPointer<EventHandlers> m_handlers;
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double m_value = 0; // current value
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double m_lowerBound = 0; // acceptable range, lower bound
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double m_upperBound = 1; // acceptable range, upper bound
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int m_precision = 6; // number of decimal digits in non-sci mode, [0,16]
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bool m_real = true; // whether this is a real or integer parameter
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bool m_fixed = false; // precision is literal instead of significant digits?
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bool m_scientific = false; // scientific notation enabled?
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bool m_sign = false; // always show a sign character
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bool m_autoEditWidth = true; // set width of edit control automatically
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int m_sciTriggerExp = -1; // exponent (of ten) to trigger sci notation
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PCL_MEMBER_REENTRANCY_GUARD( EditCompleted )
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virtual void UpdateControls();
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virtual void EditCompleted( Edit& );
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virtual void KeyPressed( Control&, int, unsigned, bool& );
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virtual void ReturnPressed( Edit& );
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virtual void GetFocus( Control& );
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virtual void LoseFocus( Control& );
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virtual void MousePress( Control&, const pcl::Point&, int, unsigned, unsigned );
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int PrecisionForValue( double ) const;
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};
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// ----------------------------------------------------------------------------
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/*!
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* \class NumericControl
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* \brief A label/edit/slider compound control to edit numeric parameters
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*
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* ### TODO: Write a detailed description for %NumericControl.
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*/
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class PCL_CLASS NumericControl : public NumericEdit
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{
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public:
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HorizontalSlider slider; //!< The Slider part of this %NumericEdit control
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/*!
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* Constructs a %NumericControl object as a child control of \a parent.
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*/
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NumericControl( Control& parent = Null() );
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/*!
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* Destroys a %NumericControl object.
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*/
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virtual ~NumericControl()
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{
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}
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/*!
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* Sets the range of allowed control values.
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*
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* \param lower Minimum allowed control value, or lower bound.
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*
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* \param upper Maximum allowed control value, or upper bound.
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*
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* If the specified lower and upper bounds are not sorted in ascending
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* order, this member function will swap them automatically.
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*
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* If the resulting lower bound is negative, the exponential slider response
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* feature will be implicitly disabled.
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*/
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void SetRange( double lower, double upper ) override;
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/*!
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* Returns true if the slider component of this %NumericControl has
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* exponential response. Returns false if the slider has the default linear
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* response.
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*
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* When exponential response is enabled, the slider defines control values
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* following an exponential growth function of the form:
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*
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* y = (1 + y0)*Exp( k*x ) - 1
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*
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* where y is the current control value, y0 is the minimum allowed control
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* value (as returned by LowerBound()), x is the current slider position
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* normalized to the [0,1] range, and k is an automatically calculated
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* exponential growth factor given by:
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*
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* k = Ln( (1 + y1)/(1 + y0) )
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*
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* where y1 is the maximum allowed control value, as returned by
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* UpperBound().
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*
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* Exponential slider response is useful for %NumericControl objects used to
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* define parameters with very large numeric ranges, such as [0,500] or
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* [0,1000] for example. For such large ranges, one normally wants to
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* provide finer control for low parameter values, which is impossible with
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* a linear slider response. The exponential slider response feature is
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* disabled by default, that is, sliders have linear response by default.
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*
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* The exponential slider response feature is only available for controls
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* where the minimum allowed value (given by LowerBound()) is greater than
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* or equal to zero.
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*
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* \sa EnableExponentialResponse(), DisableExponentialResponse()
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*/
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bool IsExponentialResponse() const
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{
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return m_exponential;
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}
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/*!
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* Enables the exponential slider response feature. See
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* IsExponentialResponse() for detailed information.
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*
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* If the minimum allowed control value is negative, this member function
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* throws an Error exception: The exponential slider response feature can
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* only be enabled when LowerBound() ≥ 0.
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*
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* \sa IsExponentialResponse(), DisableExponentialResponse()
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*/
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void EnableExponentialResponse( bool enable = true );
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/*!
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* Disables the exponential slider response feature. See
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* IsExponentialResponse() for detailed information.
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*
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* \sa IsExponentialResponse(), EnableExponentialResponse()
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*/
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void DisableExponentialResponse( bool disable = true )
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{
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EnableExponentialResponse( !disable );
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}
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protected:
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void UpdateControls() override;
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virtual void ValueUpdated( Slider&, int );
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void KeyPressed( Control&, int, unsigned, bool& ) override;
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void GetFocus( Control& ) override;
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private:
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bool m_exponential = false;
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double SliderValueToControl( int ) const;
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int ControlValueToSlider( double ) const;
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_NumericControl_h
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// ----------------------------------------------------------------------------
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||||
// EOF pcl/NumericControl.h - Released 2022-03-12T18:59:29Z
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||||
Reference in New Issue
Block a user