1 files changed, 207 insertions, 0 deletions
diff --git a/mwe/events/include/event.h b/mwe/events/include/event.h
new file mode 100644
index 0000000..8774a7d
--- /dev/null
+++ b/mwe/events/include/event.h
@@ -0,0 +1,207 @@
+#pragma once
+#include <cstdint>
+#include <iostream>
+#include <string>
+#include <unordered_map>
+using Keycode = uint16_t;
+enum : Keycode {
+    // From glfw3.h
+    Space = 32,
+    Apostrophe = 39, /* ' */
+    Comma = 44,      /* , */
+    Minus = 45,      /* - */
+    Period = 46,     /* . */
+    Slash = 47,      /* / */
+
+    D0 = 48, /* 0 */
+    D1 = 49, /* 1 */
+    D2 = 50, /* 2 */
+    D3 = 51, /* 3 */
+    D4 = 52, /* 4 */
+    D5 = 53, /* 5 */
+    D6 = 54, /* 6 */
+    D7 = 55, /* 7 */
+    D8 = 56, /* 8 */
+    D9 = 57, /* 9 */
+
+    Semicolon = 59, /* ; */
+    Equal = 61,     /* = */
+
+    A = 65,
+    B = 66,
+    C = 67,
+    D = 68,
+    E = 69,
+    F = 70,
+    G = 71,
+    H = 72,
+    I = 73,
+    J = 74,
+    K = 75,
+    L = 76,
+    M = 77,
+    N = 78,
+    O = 79,
+    P = 80,
+    Q = 81,
+    R = 82,
+    S = 83,
+    T = 84,
+    U = 85,
+    V = 86,
+    W = 87,
+    X = 88,
+    Y = 89,
+    Z = 90,
+
+    LeftBracket = 91,  /* [ */
+    Backslash = 92,    /* \ */
+    RightBracket = 93, /* ] */
+    GraveAccent = 96,  /* ` */
+
+    World1 = 161, /* non-US #1 */
+    World2 = 162, /* non-US #2 */
+
+    /* Function keys */
+    Escape = 256,
+    Enter = 257,
+    Tab = 258,
+    Backspace = 259,
+    Insert = 260,
+    Delete = 261,
+    Right = 262,
+    Left = 263,
+    Down = 264,
+    Up = 265,
+    PageUp = 266,
+    PageDown = 267,
+    Home = 268,
+    End = 269,
+    CapsLock = 280,
+    ScrollLock = 281,
+    NumLock = 282,
+    PrintScreen = 283,
+    Pause = 284,
+    F1 = 290,
+    F2 = 291,
+    F3 = 292,
+    F4 = 293,
+    F5 = 294,
+    F6 = 295,
+    F7 = 296,
+    F8 = 297,
+    F9 = 298,
+    F10 = 299,
+    F11 = 300,
+    F12 = 301,
+    F13 = 302,
+    F14 = 303,
+    F15 = 304,
+    F16 = 305,
+    F17 = 306,
+    F18 = 307,
+    F19 = 308,
+    F20 = 309,
+    F21 = 310,
+    F22 = 311,
+    F23 = 312,
+    F24 = 313,
+    F25 = 314,
+
+    /* Keypad */
+    KP0 = 320,
+    KP1 = 321,
+    KP2 = 322,
+    KP3 = 323,
+    KP4 = 324,
+    KP5 = 325,
+    KP6 = 326,
+    KP7 = 327,
+    KP8 = 328,
+    KP9 = 329,
+    KPDecimal = 330,
+    KPDivide = 331,
+    KPMultiply = 332,
+    KPSubtract = 333,
+    KPAdd = 334,
+    KPEnter = 335,
+    KPEqual = 336,
+
+    LeftShift = 340,
+    LeftControl = 341,
+    LeftAlt = 342,
+    LeftSuper = 343,
+    RightShift = 344,
+    RightControl = 345,
+    RightAlt = 346,
+    RightSuper = 347,
+    Menu = 348
+};
+
+class UUIDGenerator {
+public:
+    static std::uint32_t GetUniqueID()
+    {
+        static std::uint32_t id = 0;
+        return ++id;
+    }
+};
+class Event {
+public:
+    virtual ~Event() = default;
+    virtual std::uint32_t GetEventType() const = 0;
+
+    virtual std::string ToString() const { 
+        return std::to_string(GetEventType()); 
+    };
+
+    bool isHandled { false };
+};
+#define EVENT_TYPE(event_type)                  \
+    static std::uint32_t GetStaticEventType()   \
+    {                                           \
+        static std::uint32_t type = UUIDGenerator::GetUniqueID(); \
+        return type;                            \
+    }                                           \
+    std::uint32_t GetEventType() const override \
+    {                                           \
+        return GetStaticEventType();            \
+    }
+
+class KeyPressedEvent : public Event {
+public:
+    EVENT_TYPE("KeyPressedEvent");
+
+    KeyPressedEvent(int keyCode, int repeatCount)
+        : key(keyCode)
+        , repeatCount(repeatCount)
+    {
+    }
+    std::string ToString() const override
+    {
+        return "KeyPressedEvent KeyPressed" + std::to_string(key);
+    }
+
+public:
+    Keycode key { 0 };
+    int repeatCount { 0 };
+};
+
+class KeyReleasedEvent : public Event {
+public:
+    EVENT_TYPE("KeyReleased");
+
+    KeyReleasedEvent(int keyCode)
+        : key(keyCode)
+    {
+    }
+    std::string ToString() const override
+    {
+        return "KeyPressedEvent KeyPressed" + std::to_string(key);
+    }
+
+public:
+    Keycode key { 0 };
+};
+
+