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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.
***************************************************************************/
#ifndef MAME_FRONTEND_MAME_UI_SLIDER_H
#define MAME_FRONTEND_MAME_UI_SLIDER_H
#pragma once
#include "sliderchangednotifier.h"
#include <functional>
#define SLIDER_NOCHANGE 0x12345678
typedef std::function<std::int32_t (running_machine &, void *, int, std::string *, std::int32_t)> slider_update;
struct slider_state
{
slider_update update; // callback
void * arg = nullptr; // argument
std::int32_t minval = 0; // minimum value
std::int32_t defval = 0; // default value
std::int32_t maxval = 0; // maximum value
std::int32_t incval = 0; // increment value
int id = 0;
std::string description; // textual description
};
#endif // MAME_FRONTEND_MAME_UI_SLIDER_H
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