Slider.h

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//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/Slider.h - Released 2024-06-18T15:48:54Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
// Copyright (c) 2003-2024 Pleiades Astrophoto S.L. All Rights Reserved.
//
// Redistribution and use in both source and binary forms, with or without
// modification, is permitted provided that the following conditions are met:
//
// 1. All redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. All redistributions in binary form must reproduce the above copyright
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//
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//    of their contributors, may be used to endorse or promote products derived
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// 4. All products derived from this software, in any form whatsoever, must
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//
//    "This product is based on software from the PixInsight project, developed
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// ----------------------------------------------------------------------------
 
#ifndef __PCL_Slider_h
#define __PCL_Slider_h
 
 
#include <pcl/Defs.h>
 
#include <pcl/Flags.h>
 
#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
 
#include <pcl/AutoPointer.h>
#include <pcl/Control.h>
 
#endif   // __PCL_BUILDING_PIXINSIGHT_APPLICATION
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
namespace TickStyle
{
   enum mask_type
   {
      NoTicks   = 0x00,
      Top       = 0x01,
      Bottom    = 0x02,
      Left      = Top,
      Right     = Bottom,
      BothSides = Top|Bottom
   };
}
 
using TickStyles = Flags<TickStyle::mask_type>;
 
// ----------------------------------------------------------------------------
 
#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS Slider : public Control
{
public:
 
   Slider( Control& parent = Control::Null(), bool vertical = false );
 
   ~Slider() override
   {
   }
 
   int Value() const;
 
   void SetValue( int v );
 
   double NormalizedValue() const;
 
   void SetNormalizedValue( double f );
 
   void GetRange( int& minValue, int& maxValue ) const;
 
   int MinValue() const
   {
      int m, dum; GetRange( m, dum ); return m;
   }
 
   int MaxValue() const
   {
      int dum, m; GetRange( dum, m ); return m;
   }
 
   void SetRange( int minValue, int maxValue );
 
   void SetMinValue( int m )
   {
      SetRange( m, MaxValue() );
   }
 
   void SetMaxValue( int m )
   {
      SetRange( MinValue(), m );
   }
 
   int StepSize() const;
 
   void SetStepSize( int );
 
   int PageSize() const;
 
   void SetPageSize( int );
 
   int TickInterval() const;
 
   void SetTickInterval( int );
 
   int TickFrequency() const
   {
      return TickInterval();
   }
 
   void SetTickFrequency( int q )
   {
      SetTickInterval( q );
   }
 
   TickStyles TickStyle() const;
 
   void SetTickStyle( TickStyles );
 
   void DisableTicks()
   {
      SetTickStyle( TickStyle::NoTicks );
   }
 
   bool IsTrackingEnabled() const;
 
   void EnableTracking ( bool = true );
 
   void DisableTracking( bool disable = true )
   {
      EnableTracking( !disable );
   }
 
   // -------------------------------------------------------------------------
   // Event handlers
   //
   // void OnValueUpdated( Slider& sender, int value );
   // void OnRangeUpdated( Slider& sender, int minValue, int maxValue );
 
   using value_event_handler = void (Control::*)( Slider& sender, int value );
 
   using range_event_handler = void (Control::*)( Slider& sender, int minValue, int maxValue );
 
   void OnValueUpdated( value_event_handler handler, Control& receiver );
 
   void OnRangeUpdated( range_event_handler handler, Control& receiver );
 
private:
 
   struct EventHandlers
   {
      value_event_handler onValueUpdated = nullptr;
      range_event_handler onRangeUpdated = nullptr;
 
      EventHandlers() = default;
      EventHandlers( const EventHandlers& ) = default;
      EventHandlers& operator =( const EventHandlers& ) = default;
   };
 
   AutoPointer<EventHandlers> m_handlers;
 
   friend class SliderEventDispatcher;
};
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS HorizontalSlider : public Slider
{
public:
 
   HorizontalSlider( Control& parent = Control::Null() )
      : Slider( parent, false/*vertical*/ )
   {
   }
 
   ~HorizontalSlider() override
   {
   }
};
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS VerticalSlider : public Slider
{
public:
 
   VerticalSlider( Control& parent = Control::Null() )
      : Slider( parent, true/*vertical*/ )
   {
   }
 
   ~VerticalSlider() override
   {
   }
};
 
// ----------------------------------------------------------------------------
 
#endif   // __PCL_BUILDING_PIXINSIGHT_APPLICATION
 
} // pcl
 
#endif   // __PCL_Slider_h
 
// ----------------------------------------------------------------------------
// EOF pcl/Slider.h - Released 2024-06-18T15:48:54Z