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diff --git a/qemu/ui/keymaps.h b/qemu/ui/keymaps.h
new file mode 100644
index 000000000..a7600d575
--- /dev/null
+++ b/qemu/ui/keymaps.h
@@ -0,0 +1,77 @@
+/*
+ * QEMU keysym to keycode conversion using rdesktop keymaps
+ *
+ * Copyright (c) 2004 Johannes Schindelin
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef __QEMU_KEYMAPS_H__
+#define __QEMU_KEYMAPS_H__
+
+#include "qemu-common.h"
+
+typedef struct {
+	const char* name;
+	int keysym;
+} name2keysym_t;
+
+struct key_range {
+    int start;
+    int end;
+    struct key_range *next;
+};
+
+#define MAX_NORMAL_KEYCODE 512
+#define MAX_EXTRA_COUNT 256
+typedef struct {
+    uint16_t keysym2keycode[MAX_NORMAL_KEYCODE];
+    struct {
+	int keysym;
+	uint16_t keycode;
+    } keysym2keycode_extra[MAX_EXTRA_COUNT];
+    int extra_count;
+    struct key_range *keypad_range;
+    struct key_range *numlock_range;
+} kbd_layout_t;
+
+/* scancode without modifiers */
+#define SCANCODE_KEYMASK 0xff
+/* scancode without grey or up bit */
+#define SCANCODE_KEYCODEMASK 0x7f
+
+/* "grey" keys will usually need a 0xe0 prefix */
+#define SCANCODE_GREY   0x80
+#define SCANCODE_EMUL0  0xE0
+/* "up" flag */
+#define SCANCODE_UP     0x80
+
+/* Additional modifiers to use if not catched another way. */
+#define SCANCODE_SHIFT  0x100
+#define SCANCODE_CTRL   0x200
+#define SCANCODE_ALT    0x400
+#define SCANCODE_ALTGR  0x800
+
+
+void *init_keyboard_layout(const name2keysym_t *table, const char *language);
+int keysym2scancode(void *kbd_layout, int keysym);
+int keycode_is_keypad(void *kbd_layout, int keycode);
+int keysym_is_numlock(void *kbd_layout, int keysym);
+
+#endif /* __QEMU_KEYMAPS_H__ */