Support for XISF
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Vendored
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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/Button.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_Button_h
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#define __PCL_Button_h
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/// \file pcl/Button.h
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#include <pcl/Defs.h>
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#include <pcl/Control.h>
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#include <pcl/Bitmap.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \namespace pcl::CheckState
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* \brief Button check states
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*
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* <table border="1" cellpadding="4" cellspacing="0">
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* <tr><td>CheckState::Unchecked</td> <td>The control is not checked</td></tr>
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* <tr><td>CheckState::Checked</td> <td>The control is checked</td></tr>
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* <tr><td>CheckState::ThirdState</td> <td>The check box is in its 'third state'</td></tr>
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* </table>
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*
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*/
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namespace CheckState
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{
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enum value_type
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{
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Unchecked, // the item is not checked
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Checked, // the item is checked
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ThirdState // the check box is in its 'third state'
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};
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}
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// ----------------------------------------------------------------------------
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/*!
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* \class Button
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* \brief Abstract base class for all client-side interfaces to PixInsight
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* button controls.
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*
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* ### TODO: Write a detailed description for Button
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*/
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class PCL_CLASS Button : public Control
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{
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public:
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/*!
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* Represents a button check state. Supported values are defined in the
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* CheckState namespace.
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*/
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typedef CheckState::value_type check_state;
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/*!
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* Destroys a %Button control.
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*/
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virtual ~Button()
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{
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}
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/*!
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* Returns the current button text.
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*/
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String Text() const;
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/*!
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* Sets the current button text.
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*/
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void SetText( const String& );
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/*!
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* Returns the current icon shown by this button, or a null Bitmap object if
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* this button has no associated icon.
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*/
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Bitmap Icon() const;
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/*!
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* Sets the icon shown by this button. If a null Bitmap object is specified,
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* no icon will be associated with this button.
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*/
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void SetIcon( const Bitmap& );
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/*!
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* Obtains the current icon dimensions of this button in pixels. The icon's
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* \a width and \a height are returned in the referenced variables.
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*/
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void GetIconSize( int& width, int& height ) const;
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/*!
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* Returns the current icon width in pixels for this button.
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*/
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int IconWidth() const
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{
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int width, dum; GetIconSize( width, dum ); return width;
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}
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/*!
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* Returns the current icon height in pixels for this button.
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*/
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int IconHeight() const
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{
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int dum, height; GetIconSize( dum, height ); return height;
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}
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/*!
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* Sets new icon sizes for this button, \a width and \a height in pixels,
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* respectively.
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*/
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void SetIconSize( int width, int height );
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/*! #
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*/
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void SetIconSize( int size )
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{
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SetIconSize( size, size );
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}
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/*! #
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*/
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void GetScaledIconSize( int& width, int& height ) const
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{
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GetIconSize( width, height ); width = PhysicalPixelsToLogical( width ); height = PhysicalPixelsToLogical( height );
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}
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/*! #
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*/
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int ScaledIconWidth() const
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{
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int width, dum; GetIconSize( width, dum ); return PhysicalPixelsToLogical( width );
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}
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/*! #
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*/
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int ScaledIconHeight() const
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{
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int dum, height; GetIconSize( dum, height ); return PhysicalPixelsToLogical( height );
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}
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/*! #
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*/
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void SetScaledIconSize( int width, int height )
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{
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SetIconSize( LogicalPixelsToPhysical( width ), LogicalPixelsToPhysical( height ) );
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}
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/*! #
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*/
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void SetScaledIconSize( int size )
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{
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size = LogicalPixelsToPhysical( size );
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SetIconSize( size, size );
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}
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/*!
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* Returns true iff this button can be <em>pushed down</em>.
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*
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* \note This is a pure virtual member function that must be reimplemented
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* by derived classes.
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*/
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virtual bool IsPushable() const = 0;
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/*!
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* Returns true iff this button is in <em>pushed down</em> state.
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*/
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bool IsPushed() const;
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/*!
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* Sets the current push state of this button.
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*/
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void SetPushed( bool = true );
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/*!
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* A convenience synonym for SetPushed( true ).
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*/
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void Push()
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{
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SetPushed( true );
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}
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/*!
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* A convenience synonym for SetPushed( false ).
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*/
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void Unpush()
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{
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SetPushed( false );
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}
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/*!
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* Returns true iff this button can be <em>checked</em>.
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*
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* \note This is a pure virtual member function that must be reimplemented
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* by derived classes.
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*/
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virtual bool IsCheckable() const = 0;
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/*!
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* Returns true iff this button is in <em>checked state</em>.
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*/
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bool IsChecked() const;
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/*!
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* Sets the current check state of this button.
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*/
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void SetChecked( bool = true );
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/*!
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* A convenience synonym for SetChecked( true ).
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*/
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void Check()
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{
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SetChecked( true );
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}
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/*!
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* A convenience synonym for SetChecked( false ).
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*/
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void Uncheck()
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{
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SetChecked( false );
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}
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/*!
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* Returns the current check state of this button. This function must be
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* used for button controls that can adopt \e tristate check states.
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*/
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check_state State() const;
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/*!
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* Sets the current check state of this button. This function must be used
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* for button controls that can adopt \e tristate check states.
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*/
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void SetState( check_state );
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// -------------------------------------------------------------------------
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// Event handlers
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//
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// void OnClick( Button& sender, bool checked );
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// void OnPress( Button& sender );
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// void OnRelease( Button& sender );
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// void OnCheck( Button& sender, Button::check_state state );
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/*!
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* \defgroup button_event_handlers Button Event Handlers
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*/
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/*!
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* Defines the prototype of a <em>button click event handler</em>.
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*
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* A button click event is generated when a button control is clicked with
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* the mouse (pressed down then released while the mouse cursor stays within
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* the button) or activated with the keyboard.
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*
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* \param sender The control that sends a button click event.
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* \param checked Whether the sender button is currently checked.
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*
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* \ingroup button_event_handlers
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*/
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typedef void (Control::*click_event_handler)( Button& sender, bool checked );
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/*!
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* Defines the prototype of a <em>button press event handler</em>.
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*
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* A button press event is generated when a button control is either pressed
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* down with the mouse, or released after having being pressed.
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*
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* \param sender The control that sends a button press event.
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*
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* \ingroup button_event_handlers
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*/
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typedef void (Control::*press_event_handler)( Button& sender );
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/*!
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* Defines the prototype of a <em>button check event handler</em>.
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*
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* A button check event is generated when a checkable button control changes
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* its check state, either by clicking it with the mouse, or by activating
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* it with the keyboard.
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*
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* \param sender The control that sends a button press event.
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* \param state The current check state of the sender button.
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*
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* \ingroup button_event_handlers
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*/
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typedef void (Control::*check_event_handler)( Button& sender, Button::check_state state );
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/*!
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* Sets the button click event handler for this button.
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*
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* \param handler The button click event handler. Must be a member
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* function of the receiver object's class.
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*
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* \param receiver The control that will receive click events from this
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* button.
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*
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* \ingroup button_event_handlers
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*/
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void OnClick( click_event_handler handler, Control& receiver );
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/*!
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* Sets the button press event handler for this button.
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*
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* \param handler The button press event handler. Must be a member
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* function of the receiver object's class.
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*
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* \param receiver The control that will receive press events from this
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* button.
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*
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* \ingroup button_event_handlers
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*/
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void OnPress( press_event_handler handler, Control& receiver );
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/*!
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* Sets the button release event handler for this button.
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*
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* \param handler The button release event handler. Must be a member
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* function of the receiver object's class.
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*
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* \param receiver The control that will receive release events from this
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* button.
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*
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* \ingroup button_event_handlers
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*/
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void OnRelease( press_event_handler handler, Control& receiver );
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/*!
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* Sets the button check event handler for this button.
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*
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* \param handler The button check event handler. Must be a member
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* function of the receiver object's class.
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*
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* \param receiver The control that will receive check events from this
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* button.
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*
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* \ingroup button_event_handlers
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*/
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void OnCheck( check_event_handler handler, Control& receiver );
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private:
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struct EventHandlers
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{
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click_event_handler onClick = nullptr;
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press_event_handler onPress = nullptr;
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press_event_handler onRelease = nullptr;
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check_event_handler onCheck = 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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protected:
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/*!
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* \internal
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*/
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Button( void* h ) : Control( h )
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{
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}
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friend class ButtonEventDispatcher;
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#endif // __PCL_Button_h
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||||
// ----------------------------------------------------------------------------
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||||
// EOF pcl/Button.h - Released 2022-03-12T18:59:29Z
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Reference in New Issue
Block a user