Move input to its own directory (#7126)

rpcs3/Input/basic_mouse_handler.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "stdafx.h"
+#include "Emu/Io/MouseHandler.h"
+
+#include <QWindow>
+#include <QMouseEvent>
+#include <QWheelEvent>
+
+class basic_mouse_handler final : public QObject, public MouseHandlerBase
+{
+	Q_OBJECT
+public:
+	virtual void Init(const u32 max_connect) override;
+
+	basic_mouse_handler();
+
+	void SetTargetWindow(QWindow* target);
+	void MouseButtonDown(QMouseEvent* event);
+	void MouseButtonUp(QMouseEvent* event);
+	void MouseScroll(QWheelEvent* event);
+	void MouseMove(QMouseEvent* event);
+
+	bool eventFilter(QObject* obj, QEvent* ev) override;
+private:
+	QWindow* m_target = nullptr;
+};