WindowManager: Basic support for system keymap switching

Userland/Services/WindowServer/KeymapSwitcher.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2021, Timur Sultanov <SultanovTS@yandex.ru>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/String.h>
+#include <AK/Vector.h>
+#include <AK/WeakPtr.h>
+#include <LibCore/Object.h>
+#include <LibKeyboard/CharacterMap.h>
+
+namespace WindowServer {
+
+class KeymapSwitcher final : public Core::Object {
+    C_OBJECT(KeymapSwitcher)
+public:
+    static KeymapSwitcher& the();
+
+    virtual ~KeymapSwitcher() override;
+
+    void refresh();
+
+    void next_keymap();
+
+private:
+    KeymapSwitcher();
+
+    Vector<AK::String> m_keymaps;
+
+    void setkeymap(AK::String const&);
+    String get_current_keymap() const;
+};
+
+}