guacamole-spice-protocol/protocols/rdp/include/rdp_keymap.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is libguac-client-rdp.
*
* The Initial Developer of the Original Code is
* Michael Jumper.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef _GUAC_RDP_RDP_KEYMAP_H
#define _GUAC_RDP_RDP_KEYMAP_H
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/**
* Represents a keysym-to-scancode mapping for RDP, with extra information
* about the state of prerequisite keysyms.
*/
typedef struct guac_rdp_scancode_map {
/**
* The scancode this keysym maps to.
*/
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int scancode;
/**
* Required RDP-specific flags
*/
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int flags;
/**
* Null-terminated list of keysyms which must be down for this keysym
* to be properly typed.
*/
int* set_keysyms;
/**
* Null-terminated list of keysyms which must be up for this keysym
* to be properly typed.
*/
int* clear_keysyms;
} guac_rdp_scancode_map;
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/**
* Represents the Alt-code which types a given keysym. This is used as a
* fallback mapping, should a particular keymap not support a certain keysym.
*
* See: http://en.wikipedia.org/wiki/Alt_code
*/
typedef struct guac_rdp_altcode_map {
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/**
* The 4-digit Alt-code which types this keysym.
*/
const char* altcode;
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} guac_rdp_altcode_map;
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/**
* Static mapping from keysyms to scancodes.
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*/
typedef guac_rdp_scancode_map guac_rdp_keysym_scancode_map[256][256];
/**
* Static mapping from keysyms to Alt-codes.
*/
typedef guac_rdp_altcode_map guac_rdp_keysym_altcode_map[256][256];
/**
* Map of X11 keysyms to RDP scancodes (US English).
*/
extern const guac_rdp_keysym_scancode_map guac_rdp_keysym_scancode_en_us;
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/**
* Map of X11 keysyms to Windows Alt-codes.
*/
extern const guac_rdp_keysym_altcode_map guac_rdp_keysym_altcode;
/**
* Simple macro for referencing the mapped value of an altcode or scancode for a given keysym.
*/
#define GUAC_RDP_KEYSYM_LOOKUP(keysym_mapping, keysym) (&((keysym_mapping)[((keysym) & 0xFF00) >> 8][(keysym) & 0xFF]))
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#endif