Move input to its own directory (#7126)

rpcs3/Input/basic_keyboard_handler.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "stdafx.h"
+#include "Emu/Io/KeyboardHandler.h"
+
+#include <QKeyEvent>
+#include <QWindow>
+
+class basic_keyboard_handler final : public QObject, public KeyboardHandlerBase
+{
+	Q_OBJECT
+public:
+	virtual void Init(const u32 max_connect) override;
+
+	explicit basic_keyboard_handler();
+
+	void SetTargetWindow(QWindow* target);
+	bool eventFilter(QObject* obj, QEvent* ev) override;
+	void keyPressEvent(QKeyEvent* event);
+	void keyReleaseEvent(QKeyEvent* event);
+	s32 getUnmodifiedKey(QKeyEvent* event);
+	void LoadSettings();
+private:
+	QWindow* m_target = nullptr;
+};