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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Aaron Giles, Nathan Woods
/***************************************************************************
ui/slider.h
Internal data representation for an adjustment slider.
***************************************************************************/
#pragma once
#ifndef __UI_SLIDER__
#define __UI_SLIDER__
#include <functional>
#include "sliderchangednotifier.h"
#define SLIDER_NOCHANGE 0x12345678
typedef std::function<int32_t(running_machine&, void*, int, std::string*, int32_t)> slider_update;
struct slider_state
{
slider_state * next; /* pointer to next slider */
slider_update update; /* callback */
void * arg; /* argument */
int32_t minval; /* minimum value */
int32_t defval; /* default value */
int32_t maxval; /* maximum value */
int32_t incval; /* increment value */
int id;
std::string description; /* textual description */
};
#endif // __UI_SLIDER__
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