XKB implementation of Ozone key layout.

ui/events/ozone/layout/xkb/xkb_keyboard_code_conversion.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_EVENTS_OZONE_LAYOUT_XKB_XKB_KEYBOARD_CODE_CONVERSION_H_
+#define UI_EVENTS_OZONE_LAYOUT_XKB_XKB_KEYBOARD_CODE_CONVERSION_H_
+
+// TODO(kpschoedel): move this file out of Ozone so that it can be used to
+// determine DomKey for desktop X11, OR switch desktop X11 to use the Ozone
+// keyboard layout interface.
+
+#include <xkbcommon/xkbcommon.h>
+
+#include "base/strings/string16.h"
+#include "ui/events/keycodes/keyboard_codes.h"
+
+namespace ui {
+
+enum class DomKey;
+
+// Returns the DomKey associated with a non-character xkb_keysym_t.
+// Returns DomKey::NONE for unrecognized keysyms, which includes
+// all printable characters.
+DomKey XkbKeySymToDomKey(xkb_keysym_t keysym);
+
+// Returns the dead key combining character associated with an xkb_keysym_t,
+// or 0 if the keysym is not recognized.
+base::char16 XkbKeySymDeadKey(xkb_keysym_t keysym);
+
+}  // namespace ui
+
+#endif  // UI_EVENTS_OZONE_LAYOUT_XKB_XKB_KEYBOARD_CODE_CONVERSION_H_