feat: locale 식별자가 ko-KR일 경우에만 언어 변경 작업 진행

codepage949 · Jun 11, 2022 · c4784d4 · c4784d4
1 parent 30722e1
commit c4784d4
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Showing 3 changed files with 65 additions and 33 deletions.
diff --git a/lib.go b/lib.go
@@ -20,23 +20,30 @@ func keyboardHook(nCode int32, wParam uintptr, lParam unsafe.Pointer) uintptr {
  }
  } else if wParam == winapi.WM_KEYUP {
  if lShiftAlone {
- // https://stackoverflow.com/questions/64280975/immgetcontext-returns-zero-always
+ // NOTE: https://stackoverflow.com/questions/64280975/immgetcontext-returns-zero-always
  hwnd := winapi.ImmGetDefaultIMEWnd(winapi.GetForegroundWindow())
- // COMPOSITIONFORM에 사용하는 CFS_EXCLUDE에 대한 참고 자료가 없으나 실제로 해보면 composition window가 나타나지 않음
- cf := winapi.COMPOSITIONFORM{Style: winapi.CFS_EXCLUDE}
- _ = winapi.SendMessage(hwnd, winapi.WM_IME_CONTROL, winapi.IMC_SETCOMPOSITIONWINDOW, uintptr(unsafe.Pointer(&cf)))
- mode := 1 ^ winapi.SendMessage(hwnd, winapi.WM_IME_CONTROL, winapi.IMC_GETCONVERSIONMODE, 0)
- _ = winapi.SendMessage(hwnd, winapi.WM_IME_CONTROL, winapi.IMC_SETCONVERSIONMODE, mode)
+ tid := uint32(winapi.GetWindowThreadProcessId(hwnd, 0))
+ lid := winapi.GetKeyboardLayout(tid)
+
+ // NOTE: https://docs.microsoft.com/ko-kr/windows/win32/api/winuser/nf-winuser-getkeyboardlayout?redirectedfrom=MSDN#return-value
+ // locale 식별자가 ko-KR일 경우에만 언어 변경 작업 진행
+ if lid&0xFFFF == 0x0412 {
+ // NOTE: COMPOSITIONFORM에 사용하는 CFS_EXCLUDE에 대한 참고 자료가 없으나 실제로 해보면 composition window가 나타나지 않음
+ cf := winapi.COMPOSITIONFORM{Style: winapi.CFS_EXCLUDE}
+ _ = winapi.SendMessage(hwnd, winapi.WM_IME_CONTROL, winapi.IMC_SETCOMPOSITIONWINDOW, uintptr(unsafe.Pointer(&cf)))
+ mode := 1 ^ winapi.SendMessage(hwnd, winapi.WM_IME_CONTROL, winapi.IMC_GETCONVERSIONMODE, 0)
+ _ = winapi.SendMessage(hwnd, winapi.WM_IME_CONTROL, winapi.IMC_SETCONVERSIONMODE, mode)
+ }
  }
  }
  } else {
- if wParam&0x1 == 0 { // WM_*DOWN
+ if wParam&0x1 == 0 { // NOTE: WM_*DOWN
  if !otherPressedMap[kb.VkCode] {
  lShiftAlone = false
  otherPressedCount += 1
  otherPressedMap[kb.VkCode] = true
  }
- } else { // WM_*UP
+ } else { // NOTE: WM_*UP
  if otherPressedMap[kb.VkCode] {
  otherPressedCount -= 1
  otherPressedMap[kb.VkCode] = false

diff --git a/winapi/const.go b/winapi/const.go
@@ -15,8 +15,8 @@ type MSG struct {
 }
 
 type INPUTUNION struct {
- _ [20]byte // fixed
- _ uintptr // non-fixed
+ _ [20]byte // NOTE: fixed
+ _ uintptr // NOTE: non-fixed
 }
 
 type INPUT struct {
@@ -36,24 +36,24 @@ type KBDLLHOOKSTRUCT struct {
 }
 
 type COMPOSITIONFORM struct {
- Style uint8
- _ [192]byte
+ Style uint8
+ _  [192]byte
 }
 
 type Hookproc func(int32, uintptr, unsafe.Pointer) uintptr
 
 const (
- INPUT_KEYBOARD = 1
- WH_KEYBOARD_LL = 13
- VK_LSHIFT = 0xA0
- VK_HANGUL = 0x15
- KEYEVENTF_KEYUP = 0x2
- WM_KEYDOWN = 0x100
- WM_KEYUP = 0x101
- WM_IME_CONTROL = 0x283
+ INPUT_KEYBOARD  = 1
+ WH_KEYBOARD_LL  = 13
+ VK_LSHIFT  = 0xA0
+ VK_HANGUL  = 0x15
+ KEYEVENTF_KEYUP  = 0x2
+ WM_KEYDOWN  = 0x100
+ WM_KEYUP  = 0x101
+ WM_IME_CONTROL  = 0x283
  IMC_GETCOMPOSITIONWINDOW = 0xB
  IMC_SETCOMPOSITIONWINDOW = 0xC
- IMC_GETCONVERSIONMODE = 1
- IMC_SETCONVERSIONMODE = 2
- CFS_EXCLUDE = 0x80
+ IMC_GETCONVERSIONMODE  = 1
+ IMC_SETCONVERSIONMODE  = 2
+ CFS_EXCLUDE  = 0x80
 )
diff --git a/winapi/winapi.go b/winapi/winapi.go
@@ -1,4 +1,4 @@
-// ref https://play.golang.org/p/2JzHDalGN7Q
+// NOTE: https://play.golang.org/p/2JzHDalGN7Q
 package winapi
 
 import (
@@ -7,12 +7,14 @@ import (
 )
 
 var (
- user32 = syscall.NewLazyDLL("user32.dll")
- _GetMessage = user32.NewProc("GetMessageA")
- _SetWindowsHookExA = user32.NewProc("SetWindowsHookExA")
- _CallNextHookEx = user32.NewProc("CallNextHookEx")
- _GetForegroundWindow = user32.NewProc("GetForegroundWindow")
- _SendMessage = user32.NewProc("SendMessageW")
+ user32 = syscall.NewLazyDLL("user32.dll")
+ _GetMessage = user32.NewProc("GetMessageA")
+ _SetWindowsHookExA = user32.NewProc("SetWindowsHookExA")
+ _CallNextHookEx = user32.NewProc("CallNextHookEx")
+ _GetForegroundWindow = user32.NewProc("GetForegroundWindow")
+ _SendMessage = user32.NewProc("SendMessageW")
+ _GetKeyboardLayout = user32.NewProc("GetKeyboardLayout")
+ _GetWindowThreadProcessId = user32.NewProc("GetWindowThreadProcessId")
 )
 
 func GetMessage(m *MSG, hwnd uintptr, wMsgFilterMin, wMsgFilterMax uint32) int32 {
@@ -48,13 +50,36 @@ func SendMessage(hwnd uintptr, msg uint32, wparam, lparam uintptr) uintptr {
  return r
 }
 
+func GetKeyboardLayout(idThread uint32) uintptr {
+ r, _, _ := _GetKeyboardLayout.Call(uintptr(idThread))
+
+ return r
+}
+
+func GetWindowThreadProcessId(hwnd uintptr, processId uintptr) uintptr {
+ r, _, _ := _GetWindowThreadProcessId.Call(hwnd, processId)
+
+ return r
+}
+
 var (
- imm32  = syscall.NewLazyDLL("imm32.dll")
- _ImmGetDefaultIMEWnd  = imm32.NewProc("ImmGetDefaultIMEWnd")
+ imm32 = syscall.NewLazyDLL("imm32.dll")
+ _ImmGetDefaultIMEWnd = imm32.NewProc("ImmGetDefaultIMEWnd")
 )
 
 func ImmGetDefaultIMEWnd(hwnd uintptr) uintptr {
  r, _, _ := _ImmGetDefaultIMEWnd.Call(hwnd)
 
  return r
-}
+}
+
+var (
+ kernel32 = syscall.NewLazyDLL("kernel32.dll")
+ _GetCurrentThreadId = kernel32.NewProc("GetCurrentThreadId")
+)
+
+func GetCurrentThreadId() uintptr {
+ r, _, _ := _GetCurrentThreadId.Call()
+
+ return r
+}