input: Introduce basic hyprland HID classes

Implements an intermediary HID class for mice, keyboards and touch devices, removing the old structs from WLClasses.hpp

Yes, virtual ones are duplicated a bit, but will likely be de-duped once wlr_input_device is not used anymore.

src/devices/IKeyboard.hpp

@@ -0,0 +1,61 @@
+#pragma once
+
+#include "IHID.hpp"
+#include "../helpers/WLListener.hpp"
+#include "../macros.hpp"
+#include "../helpers/Vector2D.hpp"
+
+#include <xkbcommon/xkbcommon.h>
+
+struct wlr_keyboard;
+
+class IKeyboard : public IHID {
+  public:
+    virtual ~IKeyboard();
+    virtual uint32_t      getCapabilities();
+    virtual bool          isVirtual() = 0;
+    virtual wlr_keyboard* wlr()       = 0;
+
+    struct SKeyEvent {
+        uint32_t              timeMs     = 0;
+        uint32_t              keycode    = 0;
+        bool                  updateMods = false;
+        wl_keyboard_key_state state      = WL_KEYBOARD_KEY_STATE_PRESSED;
+    };
+
+    struct {
+        CSignal key;
+        CSignal modifiers;
+        CSignal keymap;
+        CSignal repeatInfo;
+    } keyboardEvents;
+
+    struct SStringRuleNames {
+        std::string layout  = "";
+        std::string model   = "";
+        std::string variant = "";
+        std::string options = "";
+        std::string rules   = "";
+    };
+
+    void               updateXKBTranslationState(xkb_keymap* const keymap = nullptr);
+    std::string        getActiveLayout();
+    void               updateLEDs();
+
+    bool               active  = false;
+    bool               enabled = true;
+
+    xkb_layout_index_t activeLayout        = 0;
+    xkb_state*         xkbTranslationState = nullptr;
+
+    std::string        hlName      = "";
+    std::string        xkbFilePath = "";
+
+    SStringRuleNames   currentRules;
+    int                repeatRate        = 0;
+    int                repeatDelay       = 0;
+    int                numlockOn         = -1;
+    bool               resolveBindsBySym = false;
+
+    WP<IKeyboard>      self;
+};