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CLK/Inputs/Keyboard.hpp
2018-05-13 15:19:52 -04:00

62 lines
1.8 KiB
C++

//
// Keyboard.hpp
// Clock Signal
//
// Created by Thomas Harte on 10/9/17.
// Copyright 2017 Thomas Harte. All rights reserved.
//
#ifndef Keyboard_hpp
#define Keyboard_hpp
#include <vector>
namespace Inputs {
/*!
Provides an intermediate idealised model of a modern-era computer keyboard
(so, heavily indebted to the current Windows and Mac layouts), allowing a host
machine to toggle states, while an interested party either observes or polls.
*/
class Keyboard {
public:
Keyboard();
enum class Key {
Escape, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PrintScreen, ScrollLock, Pause,
BackTick, k1, k2, k3, k4, k5, k6, k7, k8, k9, k0, Hyphen, Equals, BackSpace,
Tab, Q, W, E, R, T, Y, U, I, O, P, OpenSquareBracket, CloseSquareBracket, BackSlash,
CapsLock, A, S, D, F, G, H, J, K, L, Semicolon, Quote, Hash, Enter,
LeftShift, Z, X, C, V, B, N, M, Comma, FullStop, ForwardSlash, RightShift,
LeftControl, LeftOption, LeftMeta, Space, RightMeta, RightOption, RightControl,
Left, Right, Up, Down,
Insert, Home, PageUp, Delete, End, PageDown,
NumLock, KeyPadSlash, KeyPadAsterisk, KeyPadDelete,
KeyPad7, KeyPad8, KeyPad9, KeyPadPlus,
KeyPad4, KeyPad5, KeyPad6, KeyPadMinus,
KeyPad1, KeyPad2, KeyPad3, KeyPadEnter,
KeyPad0, KeyPadDecimalPoint, KeyPadEquals,
Help
};
// Host interface.
virtual void set_key_pressed(Key key, char value, bool is_pressed);
virtual void reset_all_keys();
// Delegate interface.
struct Delegate {
virtual void keyboard_did_change_key(Keyboard *keyboard, Key key, bool is_pressed) = 0;
virtual void reset_all_keys(Keyboard *keyboard) = 0;
};
void set_delegate(Delegate *delegate);
bool get_key_state(Key key);
private:
std::vector<bool> key_states_;
Delegate *delegate_ = nullptr;
};
}
#endif /* Keyboard_hpp */