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barrier/lib/platform/CMSWindowsKeyMapper.cpp

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2003 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "CMSWindowsKeyMapper.h"
#include "CLog.h"
// multimedia keys
#if !defined(VK_BROWSER_BACK)
#define VK_BROWSER_BACK 0xA6
#define VK_BROWSER_FORWARD 0xA7
#define VK_BROWSER_REFRESH 0xA8
#define VK_BROWSER_STOP 0xA9
#define VK_BROWSER_SEARCH 0xAA
#define VK_BROWSER_FAVORITES 0xAB
#define VK_BROWSER_HOME 0xAC
#define VK_VOLUME_MUTE 0xAD
#define VK_VOLUME_DOWN 0xAE
#define VK_VOLUME_UP 0xAF
#define VK_MEDIA_NEXT_TRACK 0xB0
#define VK_MEDIA_PREV_TRACK 0xB1
#define VK_MEDIA_STOP 0xB2
#define VK_MEDIA_PLAY_PAUSE 0xB3
#define VK_LAUNCH_MAIL 0xB4
#define VK_LAUNCH_MEDIA_SELECT 0xB5
#define VK_LAUNCH_APP1 0xB6
#define VK_LAUNCH_APP2 0xB7
#endif
//
// CMSWindowsKeyMapper
//
// table of modifier keys. note that VK_RMENU shows up under the Alt
// key and ModeSwitch. when simulating AltGr we need to use the right
// alt key so we use KeyModifierModeSwitch to get it.
const CMSWindowsKeyMapper::CModifierKeys
CMSWindowsKeyMapper::s_modifiers[] =
{
KeyModifierShift, { VK_LSHIFT, VK_RSHIFT },
KeyModifierControl, { VK_LCONTROL, VK_RCONTROL | 0x100 },
KeyModifierAlt, { VK_LMENU, VK_RMENU | 0x100 },
KeyModifierSuper, { VK_LWIN | 0x100, VK_RWIN | 0x100 },
KeyModifierModeSwitch, { VK_RMENU | 0x100, 0 },
KeyModifierCapsLock, { VK_CAPITAL, 0 },
KeyModifierNumLock, { VK_NUMLOCK | 0x100, 0 },
KeyModifierScrollLock, { VK_SCROLL, 0 }
};
const char* CMSWindowsKeyMapper::s_vkToName[] =
{
"vk 0x00",
"Left Button",
"Right Button",
"VK_CANCEL",
"Middle Button",
"vk 0x05",
"vk 0x06",
"vk 0x07",
"VK_BACK",
"VK_TAB",
"vk 0x0a",
"vk 0x0b",
"VK_CLEAR",
"VK_RETURN",
"vk 0x0e",
"vk 0x0f",
"VK_SHIFT",
"VK_CONTROL",
"VK_MENU",
"VK_PAUSE",
"VK_CAPITAL",
"VK_KANA",
"vk 0x16",
"VK_JUNJA",
"VK_FINAL",
"VK_KANJI",
"vk 0x1a",
"VK_ESCAPE",
"VK_CONVERT",
"VK_NONCONVERT",
"VK_ACCEPT",
"VK_MODECHANGE",
"VK_SPACE",
"VK_PRIOR",
"VK_NEXT",
"VK_END",
"VK_HOME",
"VK_LEFT",
"VK_UP",
"VK_RIGHT",
"VK_DOWN",
"VK_SELECT",
"VK_PRINT",
"VK_EXECUTE",
"VK_SNAPSHOT",
"VK_INSERT",
"VK_DELETE",
"VK_HELP",
"VK_0",
"VK_1",
"VK_2",
"VK_3",
"VK_4",
"VK_5",
"VK_6",
"VK_7",
"VK_8",
"VK_9",
"vk 0x3a",
"vk 0x3b",
"vk 0x3c",
"vk 0x3d",
"vk 0x3e",
"vk 0x3f",
"vk 0x40",
"VK_A",
"VK_B",
"VK_C",
"VK_D",
"VK_E",
"VK_F",
"VK_G",
"VK_H",
"VK_I",
"VK_J",
"VK_K",
"VK_L",
"VK_M",
"VK_N",
"VK_O",
"VK_P",
"VK_Q",
"VK_R",
"VK_S",
"VK_T",
"VK_U",
"VK_V",
"VK_W",
"VK_X",
"VK_Y",
"VK_Z",
"VK_LWIN",
"VK_RWIN",
"VK_APPS",
"vk 0x5e",
"vk 0x5f",
"VK_NUMPAD0",
"VK_NUMPAD1",
"VK_NUMPAD2",
"VK_NUMPAD3",
"VK_NUMPAD4",
"VK_NUMPAD5",
"VK_NUMPAD6",
"VK_NUMPAD7",
"VK_NUMPAD8",
"VK_NUMPAD9",
"VK_MULTIPLY",
"VK_ADD",
"VK_SEPARATOR",
"VK_SUBTRACT",
"VK_DECIMAL",
"VK_DIVIDE",
"VK_F1",
"VK_F2",
"VK_F3",
"VK_F4",
"VK_F5",
"VK_F6",
"VK_F7",
"VK_F8",
"VK_F9",
"VK_F10",
"VK_F11",
"VK_F12",
"VK_F13",
"VK_F14",
"VK_F15",
"VK_F16",
"VK_F17",
"VK_F18",
"VK_F19",
"VK_F20",
"VK_F21",
"VK_F22",
"VK_F23",
"VK_F24",
"vk 0x88",
"vk 0x89",
"vk 0x8a",
"vk 0x8b",
"vk 0x8c",
"vk 0x8d",
"vk 0x8e",
"vk 0x8f",
"VK_NUMLOCK",
"VK_SCROLL",
"vk 0x92",
"vk 0x93",
"vk 0x94",
"vk 0x95",
"vk 0x96",
"vk 0x97",
"vk 0x98",
"vk 0x99",
"vk 0x9a",
"vk 0x9b",
"vk 0x9c",
"vk 0x9d",
"vk 0x9e",
"vk 0x9f",
"VK_LSHIFT",
"VK_RSHIFT",
"VK_LCONTROL",
"VK_RCONTROL",
"VK_LMENU",
"VK_RMENU",
"VK_BROWSER_BACK",
"VK_BROWSER_FORWARD",
"VK_BROWSER_REFRESH",
"VK_BROWSER_STOP",
"VK_BROWSER_SEARCH",
"VK_BROWSER_FAVORITES",
"VK_BROWSER_HOME",
"VK_VOLUME_MUTE",
"VK_VOLUME_DOWN",
"VK_VOLUME_UP",
"VK_MEDIA_NEXT_TRACK",
"VK_MEDIA_PREV_TRACK",
"VK_MEDIA_STOP",
"VK_MEDIA_PLAY_PAUSE",
"VK_LAUNCH_MAIL",
"VK_LAUNCH_MEDIA_SELECT",
"VK_LAUNCH_APP1",
"VK_LAUNCH_APP2",
"vk 0xb8",
"vk 0xb9",
"vk 0xba",
"vk 0xbb",
"vk 0xbc",
"vk 0xbd",
"vk 0xbe",
"vk 0xbf",
"vk 0xc0",
"vk 0xc1",
"vk 0xc2",
"vk 0xc3",
"vk 0xc4",
"vk 0xc5",
"vk 0xc6",
"vk 0xc7",
"vk 0xc8",
"vk 0xc9",
"vk 0xca",
"vk 0xcb",
"vk 0xcc",
"vk 0xcd",
"vk 0xce",
"vk 0xcf",
"vk 0xd0",
"vk 0xd1",
"vk 0xd2",
"vk 0xd3",
"vk 0xd4",
"vk 0xd5",
"vk 0xd6",
"vk 0xd7",
"vk 0xd8",
"vk 0xd9",
"vk 0xda",
"vk 0xdb",
"vk 0xdc",
"vk 0xdd",
"vk 0xde",
"vk 0xdf",
"vk 0xe0",
"vk 0xe1",
"vk 0xe2",
"vk 0xe3",
"vk 0xe4",
"VK_PROCESSKEY",
"vk 0xe6",
"vk 0xe7",
"vk 0xe8",
"vk 0xe9",
"vk 0xea",
"vk 0xeb",
"vk 0xec",
"vk 0xed",
"vk 0xee",
"vk 0xef",
"vk 0xf0",
"vk 0xf1",
"vk 0xf2",
"vk 0xf3",
"vk 0xf4",
"vk 0xf5",
"VK_ATTN",
"VK_CRSEL",
"VK_EXSEL",
"VK_EREOF",
"VK_PLAY",
"VK_ZOOM",
"VK_NONAME",
"VK_PA1",
"VK_OEM_CLEAR",
"vk 0xff"
};
// map virtual keys to synergy key enumeration
const KeyID CMSWindowsKeyMapper::s_virtualKey[][2] =
{
/* 0x00 */ kKeyNone, kKeyNone, // reserved
/* 0x01 */ kKeyNone, kKeyNone, // VK_LBUTTON
/* 0x02 */ kKeyNone, kKeyNone, // VK_RBUTTON
/* 0x03 */ kKeyNone, kKeyBreak, // VK_CANCEL
/* 0x04 */ kKeyNone, kKeyNone, // VK_MBUTTON
/* 0x05 */ kKeyNone, kKeyNone, // undefined
/* 0x06 */ kKeyNone, kKeyNone, // undefined
/* 0x07 */ kKeyNone, kKeyNone, // undefined
/* 0x08 */ kKeyBackSpace, kKeyNone, // VK_BACK
/* 0x09 */ kKeyTab, kKeyNone, // VK_TAB
/* 0x0a */ kKeyNone, kKeyNone, // undefined
/* 0x0b */ kKeyNone, kKeyNone, // undefined
/* 0x0c */ kKeyClear, kKeyClear, // VK_CLEAR
/* 0x0d */ kKeyReturn, kKeyKP_Enter, // VK_RETURN
/* 0x0e */ kKeyNone, kKeyNone, // undefined
/* 0x0f */ kKeyNone, kKeyNone, // undefined
/* 0x10 */ kKeyShift_L, kKeyShift_R, // VK_SHIFT
/* 0x11 */ kKeyControl_L, kKeyControl_R, // VK_CONTROL
/* 0x12 */ kKeyAlt_L, kKeyAlt_R, // VK_MENU
/* 0x13 */ kKeyPause, kKeyNone, // VK_PAUSE
/* 0x14 */ kKeyCapsLock, kKeyNone, // VK_CAPITAL
/* 0x15 */ kKeyNone, kKeyNone, // VK_KANA
/* 0x16 */ kKeyNone, kKeyNone, // VK_HANGUL
/* 0x17 */ kKeyNone, kKeyNone, // VK_JUNJA
/* 0x18 */ kKeyNone, kKeyNone, // VK_FINAL
/* 0x19 */ kKeyNone, kKeyNone, // VK_KANJI
/* 0x1a */ kKeyNone, kKeyNone, // undefined
/* 0x1b */ kKeyEscape, kKeyNone, // VK_ESCAPE
/* 0x1c */ kKeyNone, kKeyNone, // VK_CONVERT
/* 0x1d */ kKeyNone, kKeyNone, // VK_NONCONVERT
/* 0x1e */ kKeyNone, kKeyNone, // VK_ACCEPT
/* 0x1f */ kKeyNone, kKeyNone, // VK_MODECHANGE
/* 0x20 */ kKeyNone, kKeyNone, // VK_SPACE
/* 0x21 */ kKeyKP_PageUp, kKeyPageUp, // VK_PRIOR
/* 0x22 */ kKeyKP_PageDown, kKeyPageDown, // VK_NEXT
/* 0x23 */ kKeyKP_End, kKeyEnd, // VK_END
/* 0x24 */ kKeyKP_Home, kKeyHome, // VK_HOME
/* 0x25 */ kKeyKP_Left, kKeyLeft, // VK_LEFT
/* 0x26 */ kKeyKP_Up, kKeyUp, // VK_UP
/* 0x27 */ kKeyKP_Right, kKeyRight, // VK_RIGHT
/* 0x28 */ kKeyKP_Down, kKeyDown, // VK_DOWN
/* 0x29 */ kKeySelect, kKeySelect, // VK_SELECT
/* 0x2a */ kKeyNone, kKeyNone, // VK_PRINT
/* 0x2b */ kKeyExecute, kKeyExecute, // VK_EXECUTE
/* 0x2c */ kKeyPrint, kKeyPrint, // VK_SNAPSHOT
/* 0x2d */ kKeyKP_Insert, kKeyInsert, // VK_INSERT
/* 0x2e */ kKeyKP_Delete, kKeyDelete, // VK_DELETE
/* 0x2f */ kKeyHelp, kKeyHelp, // VK_HELP
/* 0x30 */ kKeyNone, kKeyNone, // VK_0
/* 0x31 */ kKeyNone, kKeyNone, // VK_1
/* 0x32 */ kKeyNone, kKeyNone, // VK_2
/* 0x33 */ kKeyNone, kKeyNone, // VK_3
/* 0x34 */ kKeyNone, kKeyNone, // VK_4
/* 0x35 */ kKeyNone, kKeyNone, // VK_5
/* 0x36 */ kKeyNone, kKeyNone, // VK_6
/* 0x37 */ kKeyNone, kKeyNone, // VK_7
/* 0x38 */ kKeyNone, kKeyNone, // VK_8
/* 0x39 */ kKeyNone, kKeyNone, // VK_9
/* 0x3a */ kKeyNone, kKeyNone, // undefined
/* 0x3b */ kKeyNone, kKeyNone, // undefined
/* 0x3c */ kKeyNone, kKeyNone, // undefined
/* 0x3d */ kKeyNone, kKeyNone, // undefined
/* 0x3e */ kKeyNone, kKeyNone, // undefined
/* 0x3f */ kKeyNone, kKeyNone, // undefined
/* 0x40 */ kKeyNone, kKeyNone, // undefined
/* 0x41 */ kKeyNone, kKeyNone, // VK_A
/* 0x42 */ kKeyNone, kKeyNone, // VK_B
/* 0x43 */ kKeyNone, kKeyNone, // VK_C
/* 0x44 */ kKeyNone, kKeyNone, // VK_D
/* 0x45 */ kKeyNone, kKeyNone, // VK_E
/* 0x46 */ kKeyNone, kKeyNone, // VK_F
/* 0x47 */ kKeyNone, kKeyNone, // VK_G
/* 0x48 */ kKeyNone, kKeyNone, // VK_H
/* 0x49 */ kKeyNone, kKeyNone, // VK_I
/* 0x4a */ kKeyNone, kKeyNone, // VK_J
/* 0x4b */ kKeyNone, kKeyNone, // VK_K
/* 0x4c */ kKeyNone, kKeyNone, // VK_L
/* 0x4d */ kKeyNone, kKeyNone, // VK_M
/* 0x4e */ kKeyNone, kKeyNone, // VK_N
/* 0x4f */ kKeyNone, kKeyNone, // VK_O
/* 0x50 */ kKeyNone, kKeyNone, // VK_P
/* 0x51 */ kKeyNone, kKeyNone, // VK_Q
/* 0x52 */ kKeyNone, kKeyNone, // VK_R
/* 0x53 */ kKeyNone, kKeyNone, // VK_S
/* 0x54 */ kKeyNone, kKeyNone, // VK_T
/* 0x55 */ kKeyNone, kKeyNone, // VK_U
/* 0x56 */ kKeyNone, kKeyNone, // VK_V
/* 0x57 */ kKeyNone, kKeyNone, // VK_W
/* 0x58 */ kKeyNone, kKeyNone, // VK_X
/* 0x59 */ kKeyNone, kKeyNone, // VK_Y
/* 0x5a */ kKeyNone, kKeyNone, // VK_Z
/* 0x5b */ kKeyNone, kKeySuper_L, // VK_LWIN
/* 0x5c */ kKeyNone, kKeySuper_R, // VK_RWIN
/* 0x5d */ kKeyMenu, kKeyMenu, // VK_APPS
/* 0x5e */ kKeyNone, kKeyNone, // undefined
/* 0x5f */ kKeyNone, kKeyNone, // undefined
/* 0x60 */ kKeyKP_0, kKeyNone, // VK_NUMPAD0
/* 0x61 */ kKeyKP_1, kKeyNone, // VK_NUMPAD1
/* 0x62 */ kKeyKP_2, kKeyNone, // VK_NUMPAD2
/* 0x63 */ kKeyKP_3, kKeyNone, // VK_NUMPAD3
/* 0x64 */ kKeyKP_4, kKeyNone, // VK_NUMPAD4
/* 0x65 */ kKeyKP_5, kKeyNone, // VK_NUMPAD5
/* 0x66 */ kKeyKP_6, kKeyNone, // VK_NUMPAD6
/* 0x67 */ kKeyKP_7, kKeyNone, // VK_NUMPAD7
/* 0x68 */ kKeyKP_8, kKeyNone, // VK_NUMPAD8
/* 0x69 */ kKeyKP_9, kKeyNone, // VK_NUMPAD9
/* 0x6a */ kKeyKP_Multiply, kKeyNone, // VK_MULTIPLY
/* 0x6b */ kKeyKP_Add, kKeyNone, // VK_ADD
/* 0x6c */ kKeyKP_Separator,kKeyKP_Separator,// VK_SEPARATOR
/* 0x6d */ kKeyKP_Subtract, kKeyNone, // VK_SUBTRACT
/* 0x6e */ kKeyKP_Decimal, kKeyNone, // VK_DECIMAL
/* 0x6f */ kKeyNone, kKeyKP_Divide, // VK_DIVIDE
/* 0x70 */ kKeyF1, kKeyNone, // VK_F1
/* 0x71 */ kKeyF2, kKeyNone, // VK_F2
/* 0x72 */ kKeyF3, kKeyNone, // VK_F3
/* 0x73 */ kKeyF4, kKeyNone, // VK_F4
/* 0x74 */ kKeyF5, kKeyNone, // VK_F5
/* 0x75 */ kKeyF6, kKeyNone, // VK_F6
/* 0x76 */ kKeyF7, kKeyNone, // VK_F7
/* 0x77 */ kKeyF8, kKeyNone, // VK_F8
/* 0x78 */ kKeyF9, kKeyNone, // VK_F9
/* 0x79 */ kKeyF10, kKeyNone, // VK_F10
/* 0x7a */ kKeyF11, kKeyNone, // VK_F11
/* 0x7b */ kKeyF12, kKeyNone, // VK_F12
/* 0x7c */ kKeyF13, kKeyF13, // VK_F13
/* 0x7d */ kKeyF14, kKeyF14, // VK_F14
/* 0x7e */ kKeyF15, kKeyF15, // VK_F15
/* 0x7f */ kKeyF16, kKeyF16, // VK_F16
/* 0x80 */ kKeyF17, kKeyF17, // VK_F17
/* 0x81 */ kKeyF18, kKeyF18, // VK_F18
/* 0x82 */ kKeyF19, kKeyF19, // VK_F19
/* 0x83 */ kKeyF20, kKeyF20, // VK_F20
/* 0x84 */ kKeyF21, kKeyF21, // VK_F21
/* 0x85 */ kKeyF22, kKeyF22, // VK_F22
/* 0x86 */ kKeyF23, kKeyF23, // VK_F23
/* 0x87 */ kKeyF24, kKeyF24, // VK_F24
/* 0x88 */ kKeyNone, kKeyNone, // unassigned
/* 0x89 */ kKeyNone, kKeyNone, // unassigned
/* 0x8a */ kKeyNone, kKeyNone, // unassigned
/* 0x8b */ kKeyNone, kKeyNone, // unassigned
/* 0x8c */ kKeyNone, kKeyNone, // unassigned
/* 0x8d */ kKeyNone, kKeyNone, // unassigned
/* 0x8e */ kKeyNone, kKeyNone, // unassigned
/* 0x8f */ kKeyNone, kKeyNone, // unassigned
/* 0x90 */ kKeyNumLock, kKeyNumLock, // VK_NUMLOCK
/* 0x91 */ kKeyScrollLock, kKeyNone, // VK_SCROLL
/* 0x92 */ kKeyNone, kKeyNone, // unassigned
/* 0x93 */ kKeyNone, kKeyNone, // unassigned
/* 0x94 */ kKeyNone, kKeyNone, // unassigned
/* 0x95 */ kKeyNone, kKeyNone, // unassigned
/* 0x96 */ kKeyNone, kKeyNone, // unassigned
/* 0x97 */ kKeyNone, kKeyNone, // unassigned
/* 0x98 */ kKeyNone, kKeyNone, // unassigned
/* 0x99 */ kKeyNone, kKeyNone, // unassigned
/* 0x9a */ kKeyNone, kKeyNone, // unassigned
/* 0x9b */ kKeyNone, kKeyNone, // unassigned
/* 0x9c */ kKeyNone, kKeyNone, // unassigned
/* 0x9d */ kKeyNone, kKeyNone, // unassigned
/* 0x9e */ kKeyNone, kKeyNone, // unassigned
/* 0x9f */ kKeyNone, kKeyNone, // unassigned
/* 0xa0 */ kKeyShift_L, kKeyShift_L, // VK_LSHIFT
/* 0xa1 */ kKeyShift_R, kKeyShift_R, // VK_RSHIFT
/* 0xa2 */ kKeyControl_L, kKeyControl_L, // VK_LCONTROL
/* 0xa3 */ kKeyControl_R, kKeyControl_R, // VK_RCONTROL
/* 0xa4 */ kKeyAlt_L, kKeyAlt_L, // VK_LMENU
/* 0xa5 */ kKeyAlt_R, kKeyAlt_R, // VK_RMENU
/* 0xa6 */ kKeyNone, kKeyWWWBack, // VK_BROWSER_BACK
/* 0xa7 */ kKeyNone, kKeyWWWForward, // VK_BROWSER_FORWARD
/* 0xa8 */ kKeyNone, kKeyWWWRefresh, // VK_BROWSER_REFRESH
/* 0xa9 */ kKeyNone, kKeyWWWStop, // VK_BROWSER_STOP
/* 0xaa */ kKeyNone, kKeyWWWSearch, // VK_BROWSER_SEARCH
/* 0xab */ kKeyNone, kKeyWWWFavorites, // VK_BROWSER_FAVORITES
/* 0xac */ kKeyNone, kKeyWWWHome, // VK_BROWSER_HOME
/* 0xad */ kKeyNone, kKeyAudioMute, // VK_VOLUME_MUTE
/* 0xae */ kKeyNone, kKeyAudioDown, // VK_VOLUME_DOWN
/* 0xaf */ kKeyNone, kKeyAudioUp, // VK_VOLUME_UP
/* 0xb0 */ kKeyNone, kKeyAudioNext, // VK_MEDIA_NEXT_TRACK
/* 0xb1 */ kKeyNone, kKeyAudioPrev, // VK_MEDIA_PREV_TRACK
/* 0xb2 */ kKeyNone, kKeyAudioStop, // VK_MEDIA_STOP
/* 0xb3 */ kKeyNone, kKeyAudioPlay, // VK_MEDIA_PLAY_PAUSE
/* 0xb4 */ kKeyNone, kKeyAppMail, // VK_LAUNCH_MAIL
/* 0xb5 */ kKeyNone, kKeyAppMedia, // VK_LAUNCH_MEDIA_SELECT
/* 0xb6 */ kKeyNone, kKeyAppUser1, // VK_LAUNCH_APP1
/* 0xb7 */ kKeyNone, kKeyAppUser2, // VK_LAUNCH_APP2
/* 0xb8 */ kKeyNone, kKeyNone, // unassigned
/* 0xb9 */ kKeyNone, kKeyNone, // unassigned
/* 0xba */ kKeyNone, kKeyNone, // OEM specific
/* 0xbb */ kKeyNone, kKeyNone, // OEM specific
/* 0xbc */ kKeyNone, kKeyNone, // OEM specific
/* 0xbd */ kKeyNone, kKeyNone, // OEM specific
/* 0xbe */ kKeyNone, kKeyNone, // OEM specific
/* 0xbf */ kKeyNone, kKeyNone, // OEM specific
/* 0xc0 */ kKeyNone, kKeyNone, // OEM specific
/* 0xc1 */ kKeyNone, kKeyNone, // unassigned
/* 0xc2 */ kKeyNone, kKeyNone, // unassigned
/* 0xc3 */ kKeyNone, kKeyNone, // unassigned
/* 0xc4 */ kKeyNone, kKeyNone, // unassigned
/* 0xc5 */ kKeyNone, kKeyNone, // unassigned
/* 0xc6 */ kKeyNone, kKeyNone, // unassigned
/* 0xc7 */ kKeyNone, kKeyNone, // unassigned
/* 0xc8 */ kKeyNone, kKeyNone, // unassigned
/* 0xc9 */ kKeyNone, kKeyNone, // unassigned
/* 0xca */ kKeyNone, kKeyNone, // unassigned
/* 0xcb */ kKeyNone, kKeyNone, // unassigned
/* 0xcc */ kKeyNone, kKeyNone, // unassigned
/* 0xcd */ kKeyNone, kKeyNone, // unassigned
/* 0xce */ kKeyNone, kKeyNone, // unassigned
/* 0xcf */ kKeyNone, kKeyNone, // unassigned
/* 0xd0 */ kKeyNone, kKeyNone, // unassigned
/* 0xd1 */ kKeyNone, kKeyNone, // unassigned
/* 0xd2 */ kKeyNone, kKeyNone, // unassigned
/* 0xd3 */ kKeyNone, kKeyNone, // unassigned
/* 0xd4 */ kKeyNone, kKeyNone, // unassigned
/* 0xd5 */ kKeyNone, kKeyNone, // unassigned
/* 0xd6 */ kKeyNone, kKeyNone, // unassigned
/* 0xd7 */ kKeyNone, kKeyNone, // unassigned
/* 0xd8 */ kKeyNone, kKeyNone, // unassigned
/* 0xd9 */ kKeyNone, kKeyNone, // unassigned
/* 0xda */ kKeyNone, kKeyNone, // unassigned
/* 0xdb */ kKeyNone, kKeyNone, // OEM specific
/* 0xdc */ kKeyNone, kKeyNone, // OEM specific
/* 0xdd */ kKeyNone, kKeyNone, // OEM specific
/* 0xde */ kKeyNone, kKeyNone, // OEM specific
/* 0xdf */ kKeyNone, kKeyNone, // OEM specific
/* 0xe0 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe1 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe2 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe3 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe4 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe5 */ kKeyNone, kKeyNone, // unassigned
/* 0xe6 */ kKeyNone, kKeyNone, // OEM specific
/* 0xe7 */ kKeyNone, kKeyNone, // unassigned
/* 0xe8 */ kKeyNone, kKeyNone, // unassigned
/* 0xe9 */ kKeyNone, kKeyNone, // OEM specific
/* 0xea */ kKeyNone, kKeyNone, // OEM specific
/* 0xeb */ kKeyNone, kKeyNone, // OEM specific
/* 0xec */ kKeyNone, kKeyNone, // OEM specific
/* 0xed */ kKeyNone, kKeyNone, // OEM specific
/* 0xee */ kKeyNone, kKeyNone, // OEM specific
/* 0xef */ kKeyNone, kKeyNone, // OEM specific
/* 0xf0 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf1 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf2 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf3 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf4 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf5 */ kKeyNone, kKeyNone, // OEM specific
/* 0xf6 */ kKeyNone, kKeyNone, // VK_ATTN
/* 0xf7 */ kKeyNone, kKeyNone, // VK_CRSEL
/* 0xf8 */ kKeyNone, kKeyNone, // VK_EXSEL
/* 0xf9 */ kKeyNone, kKeyNone, // VK_EREOF
/* 0xfa */ kKeyNone, kKeyNone, // VK_PLAY
/* 0xfb */ kKeyNone, kKeyNone, // VK_ZOOM
/* 0xfc */ kKeyNone, kKeyNone, // reserved
/* 0xfd */ kKeyNone, kKeyNone, // VK_PA1
/* 0xfe */ kKeyNone, kKeyNone, // VK_OEM_CLEAR
/* 0xff */ kKeyNone, kKeyNone // reserved
};
// map special KeyID keys to virtual key codes. if the key is an
// extended key then the entry is the virtual key code | 0x100.
// unmapped keys have a 0 entry.
const KeyButton CMSWindowsKeyMapper::s_mapE000[] =
{
/* 0x00 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x08 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x10 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x18 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x20 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x28 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x38 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x40 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x48 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x50 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x58 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x60 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x68 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x70 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x78 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x80 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x88 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x90 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x98 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xa0 */ 0, 0, 0, 0,
/* 0xa4 */ 0, 0, VK_BROWSER_BACK|0x100, VK_BROWSER_FORWARD|0x100,
/* 0xa8 */ VK_BROWSER_REFRESH|0x100, VK_BROWSER_STOP|0x100,
/* 0xaa */ VK_BROWSER_SEARCH|0x100, VK_BROWSER_FAVORITES|0x100,
/* 0xac */ VK_BROWSER_HOME|0x100, VK_VOLUME_MUTE|0x100,
/* 0xae */ VK_VOLUME_DOWN|0x100, VK_VOLUME_UP|0x100,
/* 0xb0 */ VK_MEDIA_NEXT_TRACK|0x100, VK_MEDIA_PREV_TRACK|0x100,
/* 0xb2 */ VK_MEDIA_STOP|0x100, VK_MEDIA_PLAY_PAUSE|0x100,
/* 0xb4 */ VK_LAUNCH_MAIL|0x100, VK_LAUNCH_MEDIA_SELECT|0x100,
/* 0xb6 */ VK_LAUNCH_APP1|0x100, VK_LAUNCH_APP2|0x100,
/* 0xb8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xc0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xc8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xd0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xd8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xe0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xe8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xf0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xf8 */ 0, 0, 0, 0, 0, 0, 0, 0
};
const KeyButton CMSWindowsKeyMapper::s_mapEE00[] =
{
/* 0x00 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x08 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x10 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x18 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x20 */ VK_TAB, 0, 0, 0, 0, 0, 0, 0,
/* 0x28 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x38 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x40 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x48 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x50 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x58 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x60 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x68 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x70 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x78 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x80 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x88 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x90 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x98 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xa0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xa8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xb0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xb8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xc0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xc8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xd0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xd8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xe0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xe8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xf0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xf8 */ 0, 0, 0, 0, 0, 0, 0, 0
};
/* in g_mapEF00, 0xac is VK_DECIMAL not VK_SEPARATOR because win32
* doesn't seem to use VK_SEPARATOR but instead maps VK_DECIMAL to
* the same meaning. */
const KeyButton CMSWindowsKeyMapper::s_mapEF00[] =
{
/* 0x00 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x08 */ VK_BACK, VK_TAB, 0, VK_CLEAR, 0, VK_RETURN, 0, 0,
/* 0x10 */ 0, 0, 0, VK_PAUSE, VK_SCROLL, 0/*sys-req*/, 0, 0,
/* 0x18 */ 0, 0, 0, VK_ESCAPE, 0, 0, 0, 0,
/* 0x20 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x28 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x38 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x40 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x48 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x50 */ VK_HOME|0x100, VK_LEFT|0x100, VK_UP|0x100, VK_RIGHT|0x100,
/* 0x54 */ VK_DOWN|0x100, VK_PRIOR|0x100, VK_NEXT|0x100, VK_END|0x100,
/* 0x58 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x60 */ VK_SELECT|0x100, VK_SNAPSHOT|0x100, VK_EXECUTE|0x100, VK_INSERT|0x100,
/* 0x64 */ 0, 0, 0, VK_APPS|0x100,
/* 0x68 */ 0, 0, VK_HELP|0x100, VK_CANCEL|0x100, 0, 0, 0, 0,
/* 0x70 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x78 */ 0, 0, 0, 0, 0, 0, 0, VK_NUMLOCK|0x100,
/* 0x80 */ VK_SPACE, 0, 0, 0, 0, 0, 0, 0,
/* 0x88 */ 0, VK_TAB, 0, 0, 0, VK_RETURN|0x100, 0, 0,
/* 0x90 */ 0, 0, 0, 0, 0, VK_HOME, VK_LEFT, VK_UP,
/* 0x98 */ VK_RIGHT, VK_DOWN, VK_PRIOR, VK_NEXT,
/* 0x9c */ VK_END, 0, VK_INSERT, VK_DELETE,
/* 0xa0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xa8 */ 0, 0, VK_MULTIPLY, VK_ADD,
/* 0xac */ VK_DECIMAL, VK_SUBTRACT, VK_DECIMAL, VK_DIVIDE|0x100,
/* 0xb0 */ VK_NUMPAD0, VK_NUMPAD1, VK_NUMPAD2, VK_NUMPAD3,
/* 0xb4 */ VK_NUMPAD4, VK_NUMPAD5, VK_NUMPAD6, VK_NUMPAD7,
/* 0xb8 */ VK_NUMPAD8, VK_NUMPAD9, 0, 0, 0, 0, VK_F1, VK_F2,
/* 0xc0 */ VK_F3, VK_F4, VK_F5, VK_F6, VK_F7, VK_F8, VK_F9, VK_F10,
/* 0xc8 */ VK_F11, VK_F12, VK_F13, VK_F14, VK_F15, VK_F16, VK_F17, VK_F18,
/* 0xd0 */ VK_F19, VK_F20, VK_F21, VK_F22, VK_F23, VK_F24, 0, 0,
/* 0xd8 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xe0 */ 0, VK_LSHIFT, VK_RSHIFT, VK_LCONTROL,
/* 0xe4 */ VK_RCONTROL|0x100, VK_CAPITAL, 0, 0,
/* 0xe8 */ 0, VK_LMENU, VK_RMENU|0x100, VK_LWIN|0x100,
/* 0xec */ VK_RWIN|0x100, 0, 0, 0,
/* 0xf0 */ 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xf8 */ 0, 0, 0, 0, 0, 0, 0, VK_DELETE|0x100
};
CMSWindowsKeyMapper::CMSWindowsKeyMapper() : m_deadKey(0)
{
// do nothing
}
CMSWindowsKeyMapper::~CMSWindowsKeyMapper()
{
// do nothing
}
void
CMSWindowsKeyMapper::update(IKeyState* keyState)
{
static const size_t numModifiers = sizeof(s_modifiers) /
sizeof(s_modifiers[0]);
// clear shadow state
memset(m_keys, 0, sizeof(m_keys));
// add modifiers
if (keyState != NULL) {
for (size_t i = 0; i < numModifiers; ++i) {
IKeyState::KeyButtons keys;
for (size_t j = 0; j < CModifierKeys::s_maxKeys; ++j) {
if (s_modifiers[i].m_keys[j] != 0) {
keys.push_back(s_modifiers[i].m_keys[j]);
}
}
keyState->addModifier(s_modifiers[i].m_mask, keys);
}
}
// save current state of modifiers
for (size_t i = 0; i < numModifiers; ++i) {
for (size_t j = 0; j < CModifierKeys::s_maxKeys; ++j) {
if (s_modifiers[i].m_keys[j] != 0) {
SHORT s = GetKeyState(s_modifiers[i].m_keys[j]);
m_keys[s_modifiers[i].m_keys[j]] = static_cast<BYTE>(s);
if (keyState != NULL) {
if ((s & 0x01) != 0) {
keyState->setToggled(s_modifiers[i].m_mask);
}
if ((s & 0x80) != 0) {
keyState->setKeyDown(s_modifiers[i].m_keys[j]);
}
}
}
}
}
}
void
CMSWindowsKeyMapper::updateKey(KeyButton key, bool pressed)
{
if (pressed) {
switch (key) {
case 0:
case VK_LBUTTON:
case VK_MBUTTON:
case VK_RBUTTON:
// ignore bogus key
break;
case VK_LSHIFT:
case VK_RSHIFT:
case VK_SHIFT:
m_keys[key] |= 0x80;
m_keys[VK_SHIFT] |= 0x80;
break;
case VK_LCONTROL:
case VK_RCONTROL:
case VK_CONTROL:
m_keys[key] |= 0x80;
m_keys[VK_CONTROL] |= 0x80;
break;
case VK_LMENU:
case VK_RMENU:
case VK_MENU:
m_keys[key] |= 0x80;
m_keys[VK_MENU] |= 0x80;
break;
case VK_CAPITAL:
case VK_NUMLOCK:
case VK_SCROLL:
// toggle keys
m_keys[key] |= 0x80;
break;
default:
case VK_LWIN:
case VK_RWIN:
case VK_APPS:
m_keys[key] |= 0x80;
break;
}
// special case: we detect ctrl+alt+del being pressed on some
// systems but we don't detect the release of those keys. so
// if ctrl, alt, and del are down then mark them up.
if ((m_keys[VK_CONTROL] & 0x80) != 0 &&
(m_keys[VK_MENU] & 0x80) != 0 &&
(m_keys[VK_DELETE] & 0x80) != 0) {
m_keys[VK_LCONTROL] &= ~0x80;
m_keys[VK_RCONTROL] &= ~0x80;
m_keys[VK_CONTROL] &= ~0x80;
m_keys[VK_LMENU] &= ~0x80;
m_keys[VK_RMENU] &= ~0x80;
m_keys[VK_MENU] &= ~0x80;
m_keys[VK_DELETE] &= ~0x80;
}
}
else {
switch (key) {
case 0:
case VK_LBUTTON:
case VK_MBUTTON:
case VK_RBUTTON:
// ignore bogus key
break;
case VK_LSHIFT:
case VK_RSHIFT:
case VK_SHIFT:
m_keys[key] &= ~0x80;
if (((m_keys[VK_LSHIFT] | m_keys[VK_RSHIFT]) & 0x80) == 0) {
m_keys[VK_SHIFT] &= ~0x80;
}
break;
case VK_LCONTROL:
case VK_RCONTROL:
case VK_CONTROL:
m_keys[key] &= ~0x80;
if (((m_keys[VK_LCONTROL] | m_keys[VK_RCONTROL]) & 0x80) == 0) {
m_keys[VK_CONTROL] &= ~0x80;
}
break;
case VK_LMENU:
case VK_RMENU:
case VK_MENU:
m_keys[key] &= ~0x80;
if (((m_keys[VK_LMENU] | m_keys[VK_RMENU]) & 0x80) == 0) {
m_keys[VK_MENU] &= ~0x80;
}
break;
case VK_CAPITAL:
case VK_NUMLOCK:
case VK_SCROLL:
// toggle keys
m_keys[key] &= ~0x80;
m_keys[key] ^= 0x01;
break;
default:
case VK_LWIN:
case VK_RWIN:
case VK_APPS:
m_keys[key] &= ~0x80;
break;
}
}
}
KeyButton
CMSWindowsKeyMapper::mapKey(IKeyState::Keystrokes& keys,
const IKeyState& keyState, KeyID id,
KeyModifierMask mask, bool isAutoRepeat) const
{
KeyButton virtualKey = 0;
// check for special keys
if ((id & 0xfffff000u) == 0xe000u) {
if ((id & 0xff00u) == 0xe000u) {
virtualKey = s_mapE000[id & 0xffu];
}
else if ((id & 0xff00) == 0xee00) {
virtualKey = s_mapEE00[id & 0xffu];
}
else if ((id & 0xff00) == 0xef00) {
virtualKey = s_mapEF00[id & 0xffu];
}
if (virtualKey == 0) {
LOG((CLOG_DEBUG2 "unknown special key"));
return virtualKey;
}
}
// special handling of VK_SNAPSHOT
if ((virtualKey & 0xffu) == VK_SNAPSHOT) {
// ignore key repeats on print screen
if (!isAutoRepeat) {
// get event flags
DWORD flags = 0;
if (isExtendedKey(virtualKey)) {
flags |= KEYEVENTF_EXTENDEDKEY;
}
// active window (with alt) or fullscreen (without alt)?
BYTE scan = 0;
if ((mask & KeyModifierAlt) != 0) {
scan = 1;
}
// send events
keybd_event(static_cast<BYTE>(virtualKey & 0xffu), scan, flags, 0);
flags |= KEYEVENTF_KEYUP;
keybd_event(static_cast<BYTE>(virtualKey & 0xffu), scan, flags, 0);
}
return 0;
}
// handle other special keys
if (virtualKey != 0) {
// compute required modifiers
KeyModifierMask requiredMask = 0;
KeyModifierMask outMask = 0;
// strip out extended key flag
UINT virtualKey2 = (virtualKey & 0xffu);
// check numeric keypad. note that virtual keys do not distinguish
// between the keypad and non-keypad movement keys. however, the
// virtual keys do distinguish between keypad numbers and operators
// (e.g. add, multiply) and their main keyboard counterparts.
// therefore, we can ignore the num-lock state for movement virtual
// keys but not for numeric keys.
if (virtualKey2 >= VK_NUMPAD0 && virtualKey2 <= VK_DIVIDE) {
requiredMask |= KeyModifierNumLock;
if (!keyState.isModifierActive(KeyModifierNumLock)) {
LOG((CLOG_DEBUG2 "turn on num lock for keypad key"));
outMask |= KeyModifierNumLock;
}
}
// check for left tab. that requires the shift key.
if (id == kKeyLeftTab) {
requiredMask |= KeyModifierShift;
outMask |= KeyModifierShift;
}
// now generate the keystrokes and return the resulting modifier mask
LOG((CLOG_DEBUG2 "KeyID 0x%08x to virtual key %d mask 0x%04x", id, virtualKey2, outMask));
return mapToKeystrokes(keys, keyState, virtualKey,
outMask, requiredMask, isAutoRepeat);
}
// determine the thread that'll receive this event
// FIXME -- we can't be sure we'll get the right thread here
HWND targetWindow = GetForegroundWindow();
DWORD targetThread = GetWindowThreadProcessId(targetWindow, NULL);
// figure out the code page for the target thread. i'm just
// guessing here. get the target thread's keyboard layout,
// extract the language id from that, and choose the code page
// based on that language.
HKL hkl = GetKeyboardLayout(targetThread);
LANGID langID = static_cast<LANGID>(LOWORD(hkl));
UINT codePage = getCodePageFromLangID(langID);
LOG((CLOG_DEBUG2 "using code page %d and language id 0x%04x for thread 0x%08x", codePage, langID, targetThread));
// regular characters are complicated by dead keys. it may not be
// possible to generate a desired character directly. we may need
// to generate a dead key first then some other character. the
// app receiving the events will compose these two characters into
// a single precomposed character.
//
// as best as i can tell this is the simplest way to convert a
// character into its uncomposed version. along the way we'll
// discover if the key cannot be handled at all. we convert
// from wide char to multibyte, then from multibyte to wide char
// forcing conversion to composite characters, then from wide
// char back to multibyte without making precomposed characters.
//
// after the first conversion to multibyte we see if we can map
// the key. if so then we don't bother trying to decompose dead
// keys.
BOOL error;
char multiByte[2 * MB_LEN_MAX];
wchar_t unicode[2];
unicode[0] = static_cast<wchar_t>(id & 0x0000ffffu);
int nChars = WideCharToMultiByte(codePage,
WC_COMPOSITECHECK | WC_DEFAULTCHAR,
unicode, 1,
multiByte, sizeof(multiByte),
NULL, &error);
if (nChars == 0 || error) {
LOG((CLOG_DEBUG2 "KeyID 0x%08x not in code page", id));
return 0;
}
virtualKey = mapCharacter(keys, keyState, multiByte[0], hkl, isAutoRepeat);
if (virtualKey != 0) {
LOG((CLOG_DEBUG2 "KeyID 0x%08x maps to character %u", id, (unsigned char)multiByte[0]));
if (isDeadChar(multiByte[0], hkl, false)) {
// character mapped to a dead key but we want the
// character for real so send a space key afterwards.
LOG((CLOG_DEBUG2 "character mapped to dead key"));
IKeyState::Keystroke keystroke;
keystroke.m_key = VK_SPACE;
keystroke.m_press = true;
keystroke.m_repeat = false;
keys.push_back(keystroke);
keystroke.m_press = false;
keys.push_back(keystroke);
// ignore the release of this key since we already
// handled it.
virtualKey = 0;
}
return virtualKey;
}
nChars = MultiByteToWideChar(codePage,
MB_COMPOSITE | MB_ERR_INVALID_CHARS,
multiByte, nChars,
unicode, 2);
if (nChars == 0) {
LOG((CLOG_DEBUG2 "KeyID 0x%08x mb->wc mapping failed", id));
return 0;
}
nChars = WideCharToMultiByte(codePage,
0,
unicode, nChars,
multiByte, sizeof(multiByte),
NULL, &error);
if (nChars == 0 || error) {
LOG((CLOG_DEBUG2 "KeyID 0x%08x wc->mb mapping failed", id));
return 0;
}
// we expect one or two characters in multiByte. if there are two
// then the *second* is a dead key. process the dead key if there.
// FIXME -- we assume each character is one byte here
if (nChars > 2) {
LOG((CLOG_DEBUG2 "multibyte characters not supported for character 0x%04x", id));
return 0;
}
if (nChars == 2) {
LOG((CLOG_DEBUG2 "KeyID 0x%08x needs dead key %u", id, (unsigned char)multiByte[1]));
mapCharacter(keys, keyState, multiByte[1], hkl, isAutoRepeat);
}
// process character
LOG((CLOG_DEBUG2 "KeyID 0x%08x maps to character %u", id, (unsigned char)multiByte[0]));
virtualKey = mapCharacter(keys, keyState, multiByte[0], hkl, isAutoRepeat);
return virtualKey;
}
KeyID
CMSWindowsKeyMapper::mapKeyFromEvent(WPARAM vkCode, LPARAM info,
KeyModifierMask* maskOut, bool* altgr) const
{
// note: known microsoft bugs
// Q72583 -- MapVirtualKey() maps keypad keys incorrectly
// 95,98: num pad vk code -> invalid scan code
// 95,98,NT4: num pad scan code -> bad vk code except
// SEPARATOR, MULTIPLY, SUBTRACT, ADD
HKL hkl = GetKeyboardLayout(0);
// get the scan code and the extended keyboard flag
UINT scanCode = static_cast<UINT>((info & 0x00ff0000u) >> 16);
int extended = ((info & 0x01000000) == 0) ? 0 : 1;
bool press = ((info & 0x80000000) == 0);
LOG((CLOG_DEBUG1 "key vk=%d info=0x%08x ext=%d scan=%d", vkCode, info, extended, scanCode));
// handle some keys via table lookup
char c = 0;
KeyID id = s_virtualKey[vkCode][extended];
if (id == kKeyNone) {
// not in table
// save the control state then clear it. ToAscii() maps ctrl+letter
// to the corresponding control code and ctrl+backspace to delete.
// we don't want that translation so we clear the control modifier
// state. however, if we want to simulate AltGr (which is ctrl+alt)
// then we must not clear it.
BYTE keys[256];
memcpy(keys, m_keys, sizeof(keys));
BYTE control = keys[VK_CONTROL];
BYTE menu = keys[VK_MENU];
if ((control & 0x80) == 0 || (menu & 0x80) == 0) {
keys[VK_LCONTROL] = 0;
keys[VK_RCONTROL] = 0;
keys[VK_CONTROL] = 0;
}
else {
keys[VK_LCONTROL] = 0x80;
keys[VK_CONTROL] = 0x80;
keys[VK_LMENU] = 0x80;
keys[VK_MENU] = 0x80;
}
// map to a character
bool isMenu = ((menu & 0x80) != 0);
c = mapToCharacter(vkCode, scanCode, keys, press, isMenu, hkl);
// if mapping failed and ctrl and alt are pressed then try again
// with both not pressed. this handles the case where ctrl and
// alt are being used as individual modifiers rather than AltGr.
if (c == 0 && (control & 0x80) != 0 && (menu & 0x80) != 0) {
keys[VK_LCONTROL] = 0;
keys[VK_RCONTROL] = 0;
keys[VK_CONTROL] = 0;
keys[VK_LMENU] = 0;
keys[VK_RMENU] = 0;
keys[VK_MENU] = 0;
c = mapToCharacter(vkCode, scanCode, keys, press, isMenu, hkl);
}
// map character to key id
if (c != 0) {
if ((c & 0x80u) != 0) {
// character is not really ASCII. instead it's some
// character in the current ANSI code page. try to
// convert that to a Unicode character. if we fail
// then use the single byte character as is.
char src = c;
wchar_t unicode;
if (MultiByteToWideChar(CP_THREAD_ACP, MB_PRECOMPOSED,
&src, 1, &unicode, 1) > 0) {
id = static_cast<KeyID>(unicode);
}
else {
id = static_cast<KeyID>(c) & 0xffu;
}
}
else {
id = static_cast<KeyID>(c) & 0xffu;
}
}
}
// set mask
bool needAltGr = false;
if (id != kKeyNone && id != kKeyMultiKey && c != 0) {
// note if key requires AltGr. VkKeyScan() can have a problem
// with some characters. there are two problems in particular.
// first, typing a dead key then pressing space will cause
// VkKeyScan() to return 0xffff. second, certain characters
// may map to multiple virtual keys and we might get the wrong
// one. if that happens then we might not get the right
// modifier mask. AltGr+9 on the french keyboard layout (^)
// has this problem. in the first case, we'll assume AltGr is
// required (only because it solves the problems we've seen
// so far). in the second, we'll use whatever the keyboard
// state says.
WORD virtualKeyAndModifierState = VkKeyScanEx(c, hkl);
if (virtualKeyAndModifierState == 0xffff) {
// there is no mapping. assume AltGr.
LOG((CLOG_DEBUG1 "no VkKeyScan() mapping"));
needAltGr = true;
}
else if (LOBYTE(virtualKeyAndModifierState) != vkCode) {
// we didn't get the key that was actually pressed
LOG((CLOG_DEBUG1 "VkKeyScan() mismatch"));
if ((m_keys[VK_CONTROL] & 0x80) != 0 &&
(m_keys[VK_MENU] & 0x80) != 0) {
needAltGr = true;
}
}
else {
BYTE modifierState = HIBYTE(virtualKeyAndModifierState);
if ((modifierState & 6) == 6) {
// key requires ctrl and alt == AltGr
needAltGr = true;
}
}
}
if (altgr != NULL) {
*altgr = needAltGr;
}
// map modifier key
KeyModifierMask mask = 0;
if (((m_keys[VK_LSHIFT] |
m_keys[VK_RSHIFT] |
m_keys[VK_SHIFT]) & 0x80) != 0) {
mask |= KeyModifierShift;
}
if (needAltGr) {
mask |= KeyModifierModeSwitch;
}
else {
if (((m_keys[VK_LCONTROL] |
m_keys[VK_RCONTROL] |
m_keys[VK_CONTROL]) & 0x80) != 0) {
mask |= KeyModifierControl;
}
if (((m_keys[VK_LMENU] |
m_keys[VK_RMENU] |
m_keys[VK_MENU]) & 0x80) != 0) {
mask |= KeyModifierAlt;
}
}
if (((m_keys[VK_LWIN] |
m_keys[VK_RWIN]) & 0x80) != 0) {
mask |= KeyModifierSuper;
}
if ((m_keys[VK_CAPITAL] & 0x01) != 0) {
mask |= KeyModifierCapsLock;
}
if ((m_keys[VK_NUMLOCK] & 0x01) != 0) {
mask |= KeyModifierNumLock;
}
if ((m_keys[VK_SCROLL] & 0x01) != 0) {
mask |= KeyModifierScrollLock;
}
if (maskOut != NULL) {
*maskOut = mask;
}
return id;
}
bool
CMSWindowsKeyMapper::isPressed(KeyButton key) const
{
return ((m_keys[key & 0xffu] & 0x80) != 0);
}
UINT
CMSWindowsKeyMapper::keyToScanCode(KeyButton* virtualKey) const
{
// try mapping given virtual key
HKL hkl = GetKeyboardLayout(0);
UINT code = MapVirtualKeyEx((*virtualKey) & 0xffu, 0, hkl);
if (code != 0) {
return code;
}
// no dice. if the virtual key distinguishes between left/right
// then try the one that doesn't distinguish sides. windows (or
// keyboard drivers) are inconsistent in their treatment of these
// virtual keys. the following behaviors have been observed:
//
// win2k (gateway desktop):
// MapVirtualKey(vk, 0):
// VK_SHIFT == VK_LSHIFT != VK_RSHIFT
// VK_CONTROL == VK_LCONTROL == VK_RCONTROL
// VK_MENU == VK_LMENU == VK_RMENU
// MapVirtualKey(sc, 3):
// VK_LSHIFT and VK_RSHIFT mapped independently
// VK_LCONTROL is mapped but not VK_RCONTROL
// VK_LMENU is mapped but not VK_RMENU
//
// win me (sony vaio laptop):
// MapVirtualKey(vk, 0):
// VK_SHIFT mapped; VK_LSHIFT, VK_RSHIFT not mapped
// VK_CONTROL mapped; VK_LCONTROL, VK_RCONTROL not mapped
// VK_MENU mapped; VK_LMENU, VK_RMENU not mapped
// MapVirtualKey(sc, 3):
// all scan codes unmapped (function apparently unimplemented)
switch ((*virtualKey) & 0xffu) {
case VK_LSHIFT:
case VK_RSHIFT:
*virtualKey = VK_SHIFT;
return MapVirtualKeyEx(VK_SHIFT, 0, hkl);
case VK_LCONTROL:
case VK_RCONTROL:
*virtualKey = VK_CONTROL;
return MapVirtualKeyEx(VK_CONTROL, 0, hkl);
case VK_LMENU:
case VK_RMENU:
*virtualKey = VK_MENU;
return MapVirtualKeyEx(VK_MENU, 0, hkl);
default:
return 0;
}
}
bool
CMSWindowsKeyMapper::isExtendedKey(KeyButton virtualKey) const
{
// see if we've already encoded the extended flag
if ((virtualKey & 0x100u) != 0) {
return true;
}
// check known virtual keys
switch (virtualKey & 0xffu) {
case VK_NUMLOCK:
case VK_RCONTROL:
case VK_RMENU:
case VK_LWIN:
case VK_RWIN:
case VK_APPS:
return true;
default:
return false;
}
}
const char*
CMSWindowsKeyMapper::getKeyName(KeyButton key) const
{
return s_vkToName[key & 0xffu];
}
UINT
CMSWindowsKeyMapper::getCodePageFromLangID(LANGID langid) const
{
// construct a locale id from the language id
LCID lcid = MAKELCID(langid, SORT_DEFAULT);
// get the ANSI code page for this locale
char data[6];
if (GetLocaleInfoA(lcid, LOCALE_IDEFAULTANSICODEPAGE, data, 6) == 0) {
// can't get code page
LOG((CLOG_DEBUG1 "can't find code page for langid 0x%04x", langid));
return CP_ACP;
}
// convert stringified code page into a number
UINT codePage = static_cast<UINT>(atoi(data));
if (codePage == 0) {
// parse failed
LOG((CLOG_DEBUG1 "can't parse code page %s for langid 0x%04x", data, langid));
return CP_ACP;
}
return codePage;
}
KeyButton
CMSWindowsKeyMapper::mapCharacter(IKeyState::Keystrokes& keys,
const IKeyState& keyState, char c, HKL hkl,
bool isAutoRepeat) const
{
// translate the character into its virtual key and its required
// modifier state.
SHORT virtualKeyAndModifierState = VkKeyScanEx(c, hkl);
// get virtual key
KeyButton virtualKey = LOBYTE(virtualKeyAndModifierState);
if (virtualKey == 0xffu) {
LOG((CLOG_DEBUG2 "cannot map character %d", static_cast<unsigned char>(c)));
return 0;
}
// get the required modifier state
BYTE modifierState = HIBYTE(virtualKeyAndModifierState);
// see what modifiers are needed. we only check for shift and
// AltGr. we must always match the desired shift state but only
// the desired AltGr state if AltGr is required. AltGr is actually
// ctrl + alt so we can't require that ctrl and alt not be pressed
// otherwise users couldn't do, say, ctrl+z.
//
// the space character (ascii 32) is special in that it's unaffected
// by shift and should match the shift state from keyState.
KeyModifierMask desiredMask = 0;
KeyModifierMask requiredMask = KeyModifierShift;
if (c == 32) {
if (keyState.isModifierActive(KeyModifierShift)) {
desiredMask |= KeyModifierShift;
}
}
else if ((modifierState & 0x01u) == 1) {
desiredMask |= KeyModifierShift;
}
if ((modifierState & 0x06u) == 6) {
// add ctrl and alt, which must be matched. match alt via
// mode-switch, which uses the right alt key rather than
// the left. windows doesn't care which alt key so long
// as ctrl is also down but some apps do their own mapping
// and they do care. Emacs and PuTTY, for example.
desiredMask |= KeyModifierControl | KeyModifierModeSwitch;
requiredMask |= KeyModifierControl | KeyModifierModeSwitch;
}
// handle combination of caps-lock and shift. if caps-lock is
// off locally then use shift as necessary. if caps-lock is on
// locally then it reverses the meaning of shift for keys that
// are subject to case conversion.
if (keyState.isModifierActive(KeyModifierCapsLock)) {
// there doesn't seem to be a simple way to test if a
// character respects the caps lock key. for normal
// characters it's easy enough but CharLower() and
// CharUpper() don't map dead keys even though they
// do respect caps lock for some unfathomable reason.
// first check the easy way. if that doesn't work
// then see if it's a dead key.
unsigned char uc = static_cast<unsigned char>(c);
if (CharLower((LPTSTR)uc) != CharUpper((LPTSTR)uc) ||
(MapVirtualKeyEx(virtualKey, 2, hkl) & 0x80000000lu) != 0) {
LOG((CLOG_DEBUG2 "flip shift"));
desiredMask ^= KeyModifierShift;
}
}
// now generate the keystrokes. ignore the resulting modifier
// mask since it can't have changed (because we don't call this
// method for modifier keys).
LOG((CLOG_DEBUG2 "character %d to virtual key %d mask 0x%08x", (unsigned char)c, virtualKey, desiredMask));
mapToKeystrokes(keys, keyState, virtualKey,
desiredMask, requiredMask, isAutoRepeat);
return virtualKey;
}
KeyButton
CMSWindowsKeyMapper::mapToKeystrokes(IKeyState::Keystrokes& keys,
const IKeyState& keyState, KeyButton virtualKey,
KeyModifierMask desiredMask, KeyModifierMask requiredMask,
bool isAutoRepeat) const
{
// adjust the modifiers to match the desired modifiers
IKeyState::Keystrokes undo;
if (!adjustModifiers(keys, undo, keyState, desiredMask, requiredMask)) {
LOG((CLOG_DEBUG2 "failed to adjust modifiers"));
keys.clear();
return 0;
}
// add the key event
IKeyState::Keystroke keystroke;
keystroke.m_key = virtualKey;
keystroke.m_press = true;
keystroke.m_repeat = isAutoRepeat;
keys.push_back(keystroke);
// put undo keystrokes at end of keystrokes in reverse order
while (!undo.empty()) {
keys.push_back(undo.back());
undo.pop_back();
}
return virtualKey;
}
bool
CMSWindowsKeyMapper::adjustModifiers(IKeyState::Keystrokes& keys,
IKeyState::Keystrokes& undo,
const IKeyState& keyState,
KeyModifierMask desiredMask,
KeyModifierMask requiredMask) const
{
// for each modifier in requiredMask make sure the current state
// of that modifier matches the bit in desiredMask.
for (KeyModifierMask mask = 1u; requiredMask != 0; mask <<= 1) {
if ((mask & requiredMask) != 0) {
bool active = ((desiredMask & mask) != 0);
if (!keyState.mapModifier(keys, undo, mask, active)) {
return false;
}
requiredMask ^= mask;
}
}
return true;
}
int
CMSWindowsKeyMapper::toAscii(TCHAR c, HKL hkl, bool menu, WORD* chars) const
{
// ignore bogus character
if (c == 0) {
return 0;
}
// translate the character into its virtual key and its required
// modifier state.
SHORT virtualKeyAndModifierState = VkKeyScanEx(c, hkl);
// get virtual key
BYTE virtualKey = LOBYTE(virtualKeyAndModifierState);
if (virtualKey == 0xffu) {
return 0;
}
// get the required modifier state
BYTE modifierState = HIBYTE(virtualKeyAndModifierState);
// set shift state required to generate key
BYTE keys[256];
memset(keys, 0, sizeof(keys));
if (modifierState & 0x01u) {
keys[VK_SHIFT] = 0x80u;
}
if (modifierState & 0x02u) {
keys[VK_CONTROL] = 0x80u;
}
if (modifierState & 0x04u) {
keys[VK_MENU] = 0x80u;
}
// get the scan code for the key
UINT scanCode = MapVirtualKeyEx(virtualKey, 0, hkl);
// discard characters if chars is NULL
WORD dummy;
if (chars == NULL) {
chars = &dummy;
}
// put it back
return ToAsciiEx(virtualKey, scanCode, keys, chars, menu ? 1 : 0, hkl);
}
bool
CMSWindowsKeyMapper::isDeadChar(TCHAR c, HKL hkl, bool menu) const
{
// first clear out ToAsciiEx()'s internal buffer by sending it
// a space.
WORD ascii;
int old = toAscii(' ', hkl, 0, &ascii);
// now pass the character of interest
WORD dummy;
bool isDead = (toAscii(c, hkl, menu, &dummy) < 0);
// clear out internal buffer again
toAscii(' ', hkl, 0, &dummy);
// put old dead key back if there was one
if (old == 2) {
toAscii(static_cast<TCHAR>(ascii & 0xffu), hkl, menu, &dummy);
}
return isDead;
}
bool
CMSWindowsKeyMapper::putBackDeadChar(TCHAR c, HKL hkl, bool menu) const
{
return (toAscii(c, hkl, menu, NULL) < 0);
}
TCHAR
CMSWindowsKeyMapper::getSavedDeadChar(HKL hkl) const
{
WORD old;
int nOld = toAscii(' ', hkl, false, &old);
if (nOld == 1 || nOld == 2) {
TCHAR c = static_cast<TCHAR>(old & 0xffu);
if (nOld == 2 || isDeadChar(c, hkl, false)) {
return c;
}
}
return 0;
}
char
CMSWindowsKeyMapper::mapToCharacter(UINT vkCode, UINT scanCode,
BYTE* keys, bool press, bool isMenu, HKL hkl) const
{
// get contents of keyboard layout buffer and clear out that
// buffer. we don't want anything placed there by some other
// app interfering and we need to put anything there back in
// place when we're done.
TCHAR oldDeadKey = getSavedDeadChar(hkl);
// put our previous dead key, if any, in the layout buffer
putBackDeadChar(m_deadKey, hkl, false);
m_deadKey = 0;
// process key
WORD ascii;
int result = ToAsciiEx(vkCode, scanCode, keys, &ascii,
isMenu ? 1 : 0, hkl);
// if result is less than zero then it was a dead key
char c = 0;
if (result < 0) {
// save dead key if a key press. we catch the dead key
// release in the result == 2 case below.
if (press) {
m_deadKey = static_cast<TCHAR>(ascii & 0xffu);
}
}
// if result is 1 then the key was succesfully converted
else if (result == 1) {
c = static_cast<char>(ascii & 0xff);
}
// if result is 2 and the two characters are the same and this
// is a key release then a dead key was released. save the
// dead key. if the two characters are the same and this is
// not a release then a dead key was pressed twice. send the
// dead key.
else if (result == 2) {
if (((ascii & 0xff00u) >> 8) == (ascii & 0x00ffu)) {
if (!press) {
m_deadKey = static_cast<TCHAR>(ascii & 0xffu);
}
else {
putBackDeadChar(oldDeadKey, hkl, false);
result = toAscii(' ', hkl, false, &ascii);
c = static_cast<char>((ascii >> 8) & 0xffu);
}
}
}
// clear keyboard layout buffer. this removes any dead key we
// may have just put there.
toAscii(' ', hkl, false, NULL);
// restore keyboard layout buffer so a dead key inserted by
// another app doesn't disappear mysteriously (from its point
// of view).
putBackDeadChar(oldDeadKey, hkl, false);
return c;
}
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