////////////////////////////////////////////////////////////////////////////////
//    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_GLWTracker_hpp_INCLUDE__
#define __INCLUDE_GLWTracker_hpp_INCLUDE__

#include <GLW/GLWidget.hpp>

class GLWTrackerI
{
public:
	virtual void currentChanged( unsigned int id, float valueX, float valueY ) = 0;
};

class GLWTracker : public GLWidget
{
public:
	GLWTracker( float x = 0.0f, float y = 0.0f, float w = 0.0f, float range = 0.0f );
	virtual ~GLWTracker();

	void setHandler( GLWTrackerI* handler ) { handler_ = handler; }

	// clang-format off
	// uncrustify off
	float getCurrentX()                 { return currentX_; }
	float getCurrentY()                 { return currentY_; }
	void  setCurrentX( float currentx ) { currentX_ = currentx; }
	void  setCurrentY( float currenty ) { currentY_ = currenty; }
	// uncrustify on
	// clang-format on

	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 );

	REGISTER_CLASS_HEADER( GLWTracker );

protected:
	GLWTrackerI* handler_;
	bool         dragging_;
	float        currentX_, currentY_;
	float        range_;
};

class GLWTankTracker : public GLWTracker, public GLWTrackerI
{
public:
	GLWTankTracker();
	virtual ~GLWTankTracker();

	virtual void draw();
	virtual void currentChanged( unsigned int id, float valueX, float valueY );

	REGISTER_CLASS_HEADER( GLWTankTracker );
};

#endif  // __INCLUDE_GLWTracker_hpp_INCLUDE__
