////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2011, 2025, 2026
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License along
//    with this program; if not, write to the Free Software Foundation, Inc.,
//    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
////////////////////////////////////////////////////////////////////////////////

#ifndef __INCLUDE_GLWScrollW_hpp_INCLUDE__
#define __INCLUDE_GLWScrollW_hpp_INCLUDE__

#include <GLW/GLWScrollButton.hpp>

class GLWScrollWI
{
public:
	virtual ~GLWScrollWI();

	virtual void positionChange( unsigned int id, int current, int movement ) = 0;
};

class GLWScrollW : public GLWidget, public GLWButtonI, public GLWScrollButtonI
{
public:
	GLWScrollW(
		float        x       = 0.0f,
		float        y       = 0.0f,
		float        h       = 0.0f,
		int          min     = 0,
		int          max     = 0,
		int          see     = 1,
		GLWScrollWI* handler = nullptr
	);
	virtual ~GLWScrollW();

	// clang-format off
	// uncrustify off
	virtual void setHandler( GLWScrollWI* handler = nullptr ) { handler_ = handler; }
	void         setMin( int min )                            { min_ = min; }
	void         setMax( int max )                            { max_ = max; }
	void         setSee( int see )                            { see_ = see; }
	virtual void setCurrent( int c );
	// uncrustify on
	// clang-format on

	virtual void setX( float x );
	virtual void setY( float y );
	virtual void setW( float w );
	virtual void setH( float h );

	// clang-format off
	// uncrustify off
	virtual int getCurrent() { return current_; }
	int         getMin()     { return min_; }
	int         getMax()     { return max_; }
	int         getSee()     { return see_; }
	// uncrustify on
	// clang-format on

	virtual void draw();
	virtual void simulate( float frameTime );
	virtual void mouseDown( int button, float x, float y, bool& skipRest );
	virtual void mouseUp( int button, float x, float y, bool& skipRest );
	virtual void mouseDrag( int button, float mx, float my, float x, float y, bool& skipRest );
	virtual void buttonDown( unsigned int id );
	virtual void mouseWheel( float x, float y, float z, bool& skipRest );

	virtual void startDrag( unsigned int id );
	virtual void buttonDrag( unsigned int id, float x, float y );

	REGISTER_CLASS_HEADER( GLWScrollW );

protected:
	int             min_, max_;
	int             see_;
	int             current_;
	int             dragCurrent_;
	GLWScrollWI*    handler_;
	GLWButton       topButton_;
	GLWButton       bottomButton_;
	GLWButton       backButtonTop_;  // Hidden
	GLWButton       backButtonBot_;  // Hidden
	GLWScrollButton middleButton_;
};

#endif  // __INCLUDE_GLWScrollW_hpp_INCLUDE__
