#NoEnv ; Recommended for performance and compatibility with future AutoHotkey releases.
; #Warn ; Enable warnings to assist with detecting common errors.
SendMode Input ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir% ; Ensures a consistent starting directory.
Menu, Tray, Icon, Shell32.dll, 45

; клавиши дополнительной клавиатуры и Pause, sc которых ф-ция MapVirtualKey не определяет
ScVk := "45,13|11D,A3|135,6F|136,A1|137,2C|138,A5|145,90|147,24|148,26|149,21|"
. "14B,25|14D,27|14F,23|150,28|151,22|152,2D|153,2E|15B,5B|15C,5C|15D,5D"

; клавиши мыши и их vk, а также Ctrl+Break и Clear
KeysVK := "LButton,1|RButton,2|Ctrl+Break,3|MButton,4|XButton1,5|XButton2,6|"
. "Clear,c|Shift,10|Ctrl,11|Alt,12"

Height := 165 ; высота клиентской области, не включая заголовки вкладок

Gui, Color, DAD6CA
Gui, Add, Tab2, vTab gTab x0 y0 w200 h185 AltSubmit hwndhTab, Получить код|Клавиша по коду
Tab = 2
VarSetCapacity(RECT, 16)
SendMessage, TCM_GETITEMRECT := 0x130A, 1, &RECT,, ahk_id %hTab%
TabH := NumGet(RECT, 12, "UInt")
GuiControl, Move, Tab, % "x0 y0 w200 h" TabH + Height
Gui, Add, Text, % "x8 y" TabH + 8 " w183 +" SS_GRAYFRAME := 0x8 " h" Height - 16

Gui, Font, q5 s12, Verdana
Gui, Add, Text, vAction x15 yp+7 w170 Center c0033BB, Нажмите клавишу
Gui, Add, Text, vKey xp yp+35 wp Center Hidden

Gui, Font, q5 c333333
Gui, Add, Text, vTextVK xp+8 yp+37 Hidden, vk =
Gui, Add, Text, vVK xp+35 yp w62 h23 Center Hidden
Gui, Add, Text, vTextSC xp-35 yp+35 Hidden, sc =
Gui, Add, Text, vSC xp+35 yp w62 h23 Center Hidden

Gui, Font, s8
Gui, Add, Button, vCopyVK gCopy xp+70 yp-35 w50 h22 Hidden, Copy
Gui, Add, Button, vCopySC gCopy xp yp+33 wp hp Hidden, Copy

Gui, Tab, 2
Gui, Add, Text, % "x8 y" TabH + 8 " w183 +" SS_GRAYFRAME " h" Height - 16
Gui, Add, Text, x15 yp+7 w170 c0033BB
, Введите код`nв шестнадцатеричном формате без префикса "0x"

Gui, Font, q5 s11
Gui, Add, Text, xp yp+58, vk
Gui, Add, Edit, vEditVK gGetKey xp+25 yp-2 w45 h23 Limit3 Uppercase Center
Gui, Add, Text, vKeyVK xp+45 yp+2 w105 Center

Gui, Add, Text, x15 yp+43, sc
Gui, Add, Edit, vEditSC gGetKey xp+25 yp-2 w45 h23 Limit3 Uppercase Center
Gui, Add, Text, vKeySC xp+45 yp+2 w105 Center
Gui, Show, % "w199 h" TabH + Height - 1, Коды клавиш

hHookKeybd := SetWindowsHookEx()
OnExit, Exit
OnMessage(0x6, "WM_ACTIVATE")
OnMessage(0x102, "WM_CHAR")
Return

Tab: ; whenever the user switches to a new tab, the output variable will
If (Tab = 2 && !hHookKeybd) ; be set to the previously selected tab number in the case of AltSubmit.
hHookKeybd := SetWindowsHookEx()
Else if (Tab = 1 && hHookKeybd)
DllCall("UnhookWindowsHookEx", UInt, hHookKeybd), hHookKeybd := ""
Return

Copy:
GuiControlGet, Code,, % SubStr(A_GuiControl, -1)
StringLower, GuiControl, A_GuiControl
Clipboard := SubStr(GuiControl, -1) . SubStr(Code, 3)
Return

GetKey:
GuiControlGet, Code,, % A_GuiControl
Code := RegExReplace(Code, "^0+")
Code := "0x" . Code
SetFormat, IntegerFast, H
if A_GuiControl = EditVK
{
if (Code > 0xA5 && Code < 0xBA)
Key := "", IsKey := 1

Loop, parse, KeysVK, |
{
if (Substr(Code, 3) = RegExReplace(A_LoopField, ".*,(.*)", "$1"))
{
Key := RegExReplace(A_LoopField, "(.*),.*", "$1")
IsKey = 1
Break
}
}

if !IsKey
{
Loop, parse, ScVk, |
{
if (Code = "0x" . RegExReplace(A_LoopField, ".*,(.*)", "$1"))
{
Code := RegExReplace(A_LoopField, "(.*),.*", "0x$1")
IsCode = 1
Break
}
}
if !IsCode
Code := DllCall("MapVirtualKey", UInt, Code, UInt, MAPVK_VK_TO_VSC := 0)
}
}
else if (Code = 0x56 || Code > 0x1FF)
Key := "", IsKey := 1

if !IsKey
Key := GetKeyNameText(Code)

Key := RegExReplace(Key, "(.*)Windows", "$1Win")
GuiControl,, % "Key" SubStr(A_GuiControl, -1), % Key
Key := IsKey := IsCode := ""
Return

GuiClose:
ExitApp

Exit:
if hHookKeybd
DllCall("UnhookWindowsHookEx", UInt, hHookKeybd)
ExitApp

WM_ACTIVATE(wp)
{
global
if (wp & 0xFFFF = 0 && hHookKeybd)
DllCall("UnhookWindowsHookEx", UInt, hHookKeybd), hHookKeybd := ""
if (wp & 0xFFFF && Tab = 2 && !hHookKeybd)
hHookKeybd := SetWindowsHookEx()
GuiControl,, Action, % wp & 0xFFFF = 0 ? "Активируйте окно" : "Нажмите клавишу"
}

SetWindowsHookEx()
{
Return DllCall("SetWindowsHookEx"
, Int, WH_KEYBOARD_LL := 13
, UInt, RegisterCallback("LowLevelKeyboardProc", "Fast")
, UInt, DllCall("GetModuleHandle", UInt, 0)
, UInt, 0)
}

LowLevelKeyboardProc(nCode, wParam, lParam)
{
static once, WM_KEYDOWN = 0x100, WM_SYSKEYDOWN = 0x104

Critical
SetFormat, IntegerFast, H
vk := NumGet(lParam+0)
Extended := NumGet(lParam+0, 8) & 1
sc := (Extended<<8)|NumGet(lParam+0, 4)
sc := sc = 0x136 ? 0x36 : sc
Key := GetKeyNameText(sc)

if (wParam = WM_SYSKEYDOWN || wParam = WM_KEYDOWN)
{
GuiControl,, Key, % Key
GuiControl,, VK, % vk
GuiControl,, SC, % sc
}

if !once
{
Controls := "Key|TextVK|VK|TextSC|SC|CopyVK|CopySC"
Loop, parse, Controls, |
GuiControl, Show, % A_LoopField
once = 1
}

if Key Contains Ctrl,Alt,Shift,Tab
Return CallNextHookEx(nCode, wParam, lParam)

if (Key = "F4" && GetKeyState("Alt", "P")) ; закрытие окна и выход по Alt + F4
Return CallNextHookEx(nCode, wParam, lParam)

Return nCode < 0 ? CallNextHookEx(nCode, wParam, lParam) : 1
}

CallNextHookEx(nCode, wp, lp)
{
Return DllCall("CallNextHookEx", UInt, 0, Int, nCode, UInt, wp, UInt, lp)
}

GetKeyNameText(sc)
{
VarSetCapacity(Key, A_IsUnicode ? 32 : 16)
DllCall("GetKeyNameText", UInt, sc<<16, Str, Key, UInt, 16)
if Key in Shift,Ctrl,Alt
Key := "Left " . Key
Return Key
}

WM_CHAR(wp, lp)
{
global hBall
SetWinDelay, 0
CoordMode, Caret
WinClose, ahk_id %hBall%
GuiControlGet, Focus, Focus
if !InStr(Focus, "Edit")
Return

if wp in 3,8,24,26 ; обработка Ctrl + C, BackSpace, Ctrl + X, Ctrl + Z
Return

if wp = 22 ; обработка Ctrl + V
{
GuiControlGet, Content,, % Focus
if !StrLen(String := SubStr(Clipboard, 1, 3 - StrLen(Content)))
{
ShowBall("Буфер обмена не содержит текста.", "Ошибка!")
Return 0
}
Loop, parse, String
{
Text .= A_LoopField
if A_LoopField not in 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,A,B,C,D,E,F
{
ShowBall("Буфер обмена содержит недопустимые символы."
. "`nДопустимые символы:`n0123456789ABCDEF", "Ошибка!")
Return 0
}
}
Control, EditPaste, % Text, % Focus, Коды клавиш
Return 0
}

Char := Chr(wp)
if Char not in 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,A,B,C,D,E,F
{
ShowBall("Допустимые символы:`n0123456789ABCDEF", Char " — недопустимый символ")
Return 0
}
Return
}

ShowBall(Text, Title="")
{
global
WinClose, ahk_id %hBall%
hBall := BalloonTip(A_CaretX+1, A_CaretY+15, Text, Title)
SetTimer, BallDestroy, -2000
Return

BallDestroy:
WinClose, ahk_id %hBall%
Return
}

BalloonTip(x, y, sText, sTitle = "", h_icon = 0)
{
; BalloonTip — это ToolTip с хвостиком
; h_icon — 1:Info, 2: Warning, 3: Error, n > 3: предполагается hIcon.

TTS_NOPREFIX := 2, TTS_ALWAYSTIP := 1, TTS_BALLOON := 0x40, TTS_CLOSE := 0x80

hWnd := DllCall("CreateWindowEx", UInt, WS_EX_TOPMOST := 8
, Str, "tooltips_class32", Str, ""
, UInt, TTS_NOPREFIX|TTS_ALWAYSTIP|TTS_BALLOON|TTS_CLOSE
, Int, 0, Int, 0, Int, 0, Int, 0
, UInt, 0, UInt, 0, UInt, 0, UInt, 0)
VarSetCapacity(TOOLINFO, 40)
NumPut(40, TOOLINFO)
NumPut(0x20, TOOLINFO, 4) ; TTF_TRACK = 0x20
NumPut(&sText, TOOLINFO, 36)

A_DHW := A_DetectHiddenWindows
DetectHiddenWindows, On
WinWait, ahk_id %hWnd%

SendMessage, 1048,, 500 ; TTM_SETMAXTIPWIDTH
SendMessage, 1028,, &TOOLINFO ; TTM_ADDTOOL
SendMessage, 1042,, x|(y<<16) ; TTM_TRACKPOSITION
SendMessage, 1041, 1, &TOOLINFO ; TTM_TRACKACTIVATE
SendMessage, 1056 + (A_IsUnicode ? 1 : 0), h_icon, &sTitle ; TTM_SETTITLEA и TTM_SETTITLEW
SendMessage, 1036 + (A_IsUnicode ? 45 : 0),, &TOOLINFO ; TTM_UPDATETIPTEXTA и TTM_UPDATETIPTEXTW

DetectHiddenWindows, % A_DHW
Return hWnd
}