colorpicker.h

#pragma once

#define COLORPICKER_WIDTH		20
#define COlORPICKER_HEIGHT		8
#define COLORPICKER_PICKER_SIZE 256

class Colorpicker : public Element {
public:
	__forceinline Colorpicker( ) : m_open{ false }, m_label{}, m_color{}, m_ptr{ nullptr } {
		m_flags     = ElementFlags::DRAW | ElementFlags::CLICK | ElementFlags::ACTIVE | ElementFlags::SAVE | ElementFlags::DEACIVATE;
		m_type      = ElementTypes::COLORPICKER;
		m_h         = m_base_h = COlORPICKER_HEIGHT;
		m_use_label = true;
		m_show      = true;
	}

	__forceinline void setup( const std::string &label, const std::string &file_id, Color color, Color* ptr = nullptr ) {
		m_label   = label;
		m_file_id = file_id;
		m_color   = color;
		m_ptr     = ptr;

		if( m_ptr )
			*m_ptr = m_color;
	}

	__forceinline void set( Color color ) {
		bool changed = m_color.rgba( ) != color.rgba( );

		m_color = color;

		if( m_ptr )
			*m_ptr = m_color;

		if( changed && m_callback )
			m_callback( );
	}

	__forceinline Color get( ) {
		return m_color;
	}

	static void init( );

	static __forceinline Color ColorFromPos( int x, int y ) {
		return *( Color* )( gradient.get( ) + x + y * COLORPICKER_PICKER_SIZE );
	}

public:
	static int texture;
	static std::unique_ptr< Color[] > gradient;

protected:
	bool		m_open;
	std::string m_label;
	Color		m_color;
	Color*		m_ptr;

protected:
	void draw( ) override;
	void think( ) override;
	void click( ) override;
};