ColorComboBox.h

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//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/ColorComboBox.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.
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// ----------------------------------------------------------------------------
 
#ifndef __PCL_ColorComboBox_h
#define __PCL_ColorComboBox_h
 
 
#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
 
#include <pcl/Defs.h>
 
#include <pcl/AutoPointer.h>
#include <pcl/Color.h>
#include <pcl/ComboBox.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS ColorComboBox : public ComboBox
{
public:
 
   ColorComboBox( Control& parent = Control::Null() );
 
   ~ColorComboBox() override
   {
   }
 
   RGBA CurrentColor() const;
 
   void SetCurrentColor( RGBA color );
 
   RGBA CustomColor() const
   {
      return m_customColor;
   }
 
   bool HasCustomColor() const
   {
      return CustomColor() != 0;
   }
 
   // -------------------------------------------------------------------------
   // Event handlers
   //
   // void OnColorSelected( ColorComboBox& sender, RGBA color );
   // void OnColorHighlighted( ColorComboBox& sender, RGBA color );
   // void OnCustomColorDefined( ColorComboBox& sender, RGBA color );
 
   using color_event_handler = void (Control::*)( ColorComboBox& sender, RGBA color );
 
   void OnColorSelected( color_event_handler handler, Control& receiver );
 
   void OnColorHighlighted( color_event_handler handler, Control& receiver );
 
   void OnCustomColorDefined( color_event_handler handler, Control& receiver );
 
private:
 
   struct EventHandlers
   {
      color_event_handler onColorSelected              = nullptr;
      Control*            onColorSelectedReceiver      = nullptr;
 
      color_event_handler onColorHighlighted           = nullptr;
      Control*            onColorHighlightedReceiver   = nullptr;
 
      color_event_handler onCustomColorDefined         = nullptr;
      Control*            onCustomColorDefinedReceiver = nullptr;
 
      EventHandlers() = default;
      EventHandlers( const EventHandlers& ) = default;
      EventHandlers& operator =( const EventHandlers& ) = default;
   };
 
   AutoPointer<EventHandlers> m_handlers;
   RGBA                       m_customColor;
 
   void ItemSelected( ComboBox&, int );
   void ItemHighlighted( ComboBox&, int );
};
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif   // __PCL_BUILDING_PIXINSIGHT_APPLICATION
 
#endif   // __PCL_ColorComboBox_h
 
// ----------------------------------------------------------------------------
// EOF pcl/ColorComboBox.h - Released 2024-06-18T15:48:54Z