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#pragma once
#include "nes/app/input/key.hh"
namespace nes::app
{
/// A keyboard input event which can be polled.
class input_event
{
public:
enum class type
{
none,
key_down,
key_up,
};
private:
type type_{ type::none };
key key_{};
public:
constexpr explicit input_event() = default;
static constexpr auto key_down(key const key) -> input_event { return input_event{ type::key_down, key }; }
static constexpr auto key_up(key const key) -> input_event { return input_event{ type::key_up, key }; }
constexpr operator bool() const { return type_ != type::none; }
constexpr auto get_type() const -> type { return type_; }
constexpr auto get_key() const -> key { return key_; }
private:
constexpr explicit input_event(type const type, key const key)
: type_{ type }
, key_{ key }
{
}
};
constexpr auto operator==(input_event const lhs, input_event const rhs)
{
return lhs.get_type() == rhs.get_type() && lhs.get_key() == rhs.get_key();
}
constexpr auto operator!=(input_event const lhs, input_event const rhs) { return !(lhs == rhs); }
} // namespace nes::app
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