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/Keyboard.cpp

@@ -0,0 +1,64 @@
+#include "Keyboard.hpp"
+#include "../defines.hpp"
+
+SP<CKeyboard> CKeyboard::create(wlr_keyboard* keeb) {
+    SP<CKeyboard> pKeeb = SP<CKeyboard>(new CKeyboard(keeb));
+
+    pKeeb->self = pKeeb;
+
+    return pKeeb;
+}
+
+bool CKeyboard::isVirtual() {
+    return false;
+}
+
+wlr_keyboard* CKeyboard::wlr() {
+    return keyboard;
+}
+
+CKeyboard::CKeyboard(wlr_keyboard* keeb) : keyboard(keeb) {
+    if (!keeb)
+        return;
+
+    // clang-format off
+    hyprListener_destroy.initCallback(&keeb->base.events.destroy, [this] (void* owner, void* data) {
+        events.destroy.emit();
+        disconnectCallbacks();
+        keyboard = nullptr;
+    }, this, "CKeyboard");
+
+    hyprListener_key.initCallback(&keeb->events.key, [this] (void* owner, void* data) {
+        auto E = (wlr_keyboard_key_event*)data;
+
+        keyboardEvents.key.emit(SKeyEvent{
+            .timeMs     = E->time_msec,
+            .keycode    = E->keycode,
+            .updateMods = E->update_state,
+            .state      = E->state,
+        });
+    }, this, "CKeyboard");
+
+    hyprListener_keymap.initCallback(&keeb->events.keymap, [this] (void* owner, void* data) {
+        keyboardEvents.keymap.emit();
+    }, this, "CKeyboard");
+
+    hyprListener_modifiers.initCallback(&keeb->events.modifiers, [this] (void* owner, void* data) {
+        keyboardEvents.modifiers.emit();
+    }, this, "CKeyboard");
+
+    hyprListener_repeatInfo.initCallback(&keeb->events.repeat_info, [this] (void* owner, void* data) {
+        keyboardEvents.repeatInfo.emit();
+    }, this, "CKeyboard");
+    // clang-format on
+
+    deviceName = keeb->base.name ? keeb->base.name : "UNKNOWN";
+}
+
+void CKeyboard::disconnectCallbacks() {
+    hyprListener_destroy.removeCallback();
+    hyprListener_key.removeCallback();
+    hyprListener_keymap.removeCallback();
+    hyprListener_repeatInfo.removeCallback();
+    hyprListener_modifiers.removeCallback();
+}