JPKeyboard.ahk

#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.

; ^M
^M::Enter

; ^H
^H::BackSpace

; Muhenkan
SC07B::Ctrl

; Henkan
SC079::Esc

; Katakana/Hiragana
SC070::
currentIMEMode := IME_Get()
if (%currentIMEMode% = 0)
{
  IME_SET(1)
}
else
{
  IME_SET(0)
}
return



; Helper functions

;   Author: eamat
;   URL: http://www6.atwiki.jp/eamat/
IME_GET(WinTitle="A")  {
    ControlGet,hwnd,HWND,,,%WinTitle%
    if    (WinActive(WinTitle))    {
        ptrSize := !A_PtrSize ? 4 : A_PtrSize
        VarSetCapacity(stGTI, cbSize:=4+4+(PtrSize*6)+16, 0)
        NumPut(cbSize, stGTI,  0, "UInt")   ;    DWORD   cbSize;
        hwnd := DllCall("GetGUIThreadInfo", Uint,0, Uint,&stGTI)
                 ? NumGet(stGTI,8+PtrSize,"UInt") : hwnd
    }

    return DllCall("SendMessage"
          , UInt, DllCall("imm32\ImmGetDefaultIMEWnd", Uint,hwnd)
          , UInt, 0x0283  ;Message : WM_IME_CONTROL
          ,  Int, 0x0005  ;wParam  : IMC_GETOPENSTATUS
          ,  Int, 0)      ;lParam  : 0
}

;   Author: eamat
;   URL: http://www6.atwiki.jp/eamat/
IME_SET(SetSts, WinTitle="A")    {
    ControlGet,hwnd,HWND,,,%WinTitle%
    if    (WinActive(WinTitle))    {
        ptrSize := !A_PtrSize ? 4 : A_PtrSize
        VarSetCapacity(stGTI, cbSize:=4+4+(PtrSize*6)+16, 0)
        NumPut(cbSize, stGTI,  0, "UInt")   ;    DWORD   cbSize;
        hwnd := DllCall("GetGUIThreadInfo", Uint,0, Uint,&stGTI)
                 ? NumGet(stGTI,8+PtrSize,"UInt") : hwnd
    }

    return DllCall("SendMessage"
          , UInt, DllCall("imm32\ImmGetDefaultIMEWnd", Uint,hwnd)
          , UInt, 0x0283  ;Message : WM_IME_CONTROL
          ,  Int, 0x006   ;wParam  : IMC_SETOPENSTATUS
          ,  Int, SetSts) ;lParam  : 0 or 1
}

USKeyboard.ahk

#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.

LAlt::LCtrl
LWin::LAlt
LCtrl::LWin

RAlt::Esc

; ^M
^M::Enter

; ^H
^H::BackSpace

; Katakana/Hiragana
RCtrl::
currentIMEMode := IME_Get()
if (%currentIMEMode% = 0)
{
  IME_SET(1)
}
else
{
  IME_SET(0)
}
return



; Helper functions

;   Author: eamat
;   URL: http://www6.atwiki.jp/eamat/
IME_GET(WinTitle="A")  {
    ControlGet,hwnd,HWND,,,%WinTitle%
    if    (WinActive(WinTitle))    {
        ptrSize := !A_PtrSize ? 4 : A_PtrSize
        VarSetCapacity(stGTI, cbSize:=4+4+(PtrSize*6)+16, 0)
        NumPut(cbSize, stGTI,  0, "UInt")   ;    DWORD   cbSize;
        hwnd := DllCall("GetGUIThreadInfo", Uint,0, Uint,&stGTI)
                 ? NumGet(stGTI,8+PtrSize,"UInt") : hwnd
    }

    return DllCall("SendMessage"
          , UInt, DllCall("imm32\ImmGetDefaultIMEWnd", Uint,hwnd)
          , UInt, 0x0283  ;Message : WM_IME_CONTROL
          ,  Int, 0x0005  ;wParam  : IMC_GETOPENSTATUS
          ,  Int, 0)      ;lParam  : 0
}

;   Author: eamat
;   URL: http://www6.atwiki.jp/eamat/
IME_SET(SetSts, WinTitle="A")    {
    ControlGet,hwnd,HWND,,,%WinTitle%
    if    (WinActive(WinTitle))    {
        ptrSize := !A_PtrSize ? 4 : A_PtrSize
        VarSetCapacity(stGTI, cbSize:=4+4+(PtrSize*6)+16, 0)
        NumPut(cbSize, stGTI,  0, "UInt")   ;    DWORD   cbSize;
        hwnd := DllCall("GetGUIThreadInfo", Uint,0, Uint,&stGTI)
                 ? NumGet(stGTI,8+PtrSize,"UInt") : hwnd
    }

    return DllCall("SendMessage"
          , UInt, DllCall("imm32\ImmGetDefaultIMEWnd", Uint,hwnd)
          , UInt, 0x0283  ;Message : WM_IME_CONTROL
          ,  Int, 0x006   ;wParam  : IMC_SETOPENSTATUS
          ,  Int, SetSts) ;lParam  : 0 or 1
}