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/VirtualPointer.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "IPointer.hpp"
+
+class CVirtualPointerV1Resource;
+
+class CVirtualPointer : public IPointer {
+  public:
+    static SP<CVirtualPointer> create(SP<CVirtualPointerV1Resource> resource);
+
+    virtual bool               isVirtual();
+    virtual wlr_pointer*       wlr();
+
+  private:
+    CVirtualPointer(SP<CVirtualPointerV1Resource>);
+
+    WP<CVirtualPointerV1Resource> pointer;
+
+    void                          disconnectCallbacks();
+
+    DYNLISTENER(destroy);
+    DYNLISTENER(motion);
+    DYNLISTENER(motionAbsolute);
+    DYNLISTENER(button);
+    DYNLISTENER(axis);
+    DYNLISTENER(frame);
+
+    DYNLISTENER(swipeBegin);
+    DYNLISTENER(swipeEnd);
+    DYNLISTENER(swipeUpdate);
+
+    DYNLISTENER(pinchBegin);
+    DYNLISTENER(pinchEnd);
+    DYNLISTENER(pinchUpdate);
+
+    DYNLISTENER(holdBegin);
+    DYNLISTENER(holdEnd);
+};