Autohotkeys script to map henkan keys for Windows

Trinity.ahk

#Requires AutoHotkey v2.0
; The Trinity: G913 Windows Edition (v5 Stable)
DetectHiddenWindows True 

; -----------------------------------------------------------
; Scancode Map for G913 JIS:
; SC07B = Muhenkan (Left of Space)
; SC079 = Henkan (Right of Space)
; SC070 = Katakana/Hiragana (Far Right)
; -----------------------------------------------------------

; Muhenkan -> English (US Hybrid)
SC07B::
{
    SoundBeep(1000, 100) ; Beep FIRST
    PostMessage(0x50, 0, 0x4110409, , "A")
}

; Henkan -> Japanese (Hiragana Enforcer)
SC079::
{
    SoundBeep(1500, 100) ; Beep FIRST to confirm key press
    
    ; 1. Switch Language
    PostMessage(0x50, 0, 0x04110411, , "A")
    Sleep(100) ; Increased wait time slightly for stability

    ; 2. Attempt to Force Hiragana (Wrapped in Try to prevent crashes)
    try {
        IME_ForceHiragana()
    }
}

; Katakana -> Turkish (Q)
SC070::
{
    SoundBeep(800, 100) ; Beep FIRST
    PostMessage(0x50, 0, 0x041F041F, , "A")
}

; -----------------------------------------------------------
; IME FUNCTIONS
; -----------------------------------------------------------
IME_ForceHiragana() {
    hWnd := WinActive("A")
    if !hWnd
        return
    
    ; Get Default IME Window
    hIME := DllCall("imm32\ImmGetDefaultIMEWnd", "Ptr", hWnd, "Ptr")
    if !hIME
        return

    ; Force IME ON (Open)
    ; 0x0283 = WM_IME_CONTROL
    ; 0x006  = IMC_SETOPENSTATUS
    DllCall("SendMessage", "Ptr", hIME, "UInt", 0x0283, "Ptr", 0x006, "Ptr", 1)

    ; Force Conversion Mode to Hiragana
    ; 0x002 = IMC_SETCONVERSIONMODE
    ; 0x009 = FullShape (8) + Native (1)
    DllCall("SendMessage", "Ptr", hIME, "UInt", 0x0283, "Ptr", 0x002, "Ptr", 0x009)
}