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