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windows: add GetKeyboardLayout & ToUnicodeEx

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These are used along with GetForegroundWindow and GetWindowThreadProcessId to determine the current user layout and translate the base key the user has pressed.

Change-Id: Ib833ba7ab54213d83e889ff74c5bc0ace5edbe95
GitHub-Last-Rev: 2afe9976a2d1f6a8dda9bd74cf07b207246bfcc6
GitHub-Pull-Request: golang/sys#188
Reviewed-on: https://go-review.googlesource.com/c/sys/+/574755
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Ayman Bagabas <ayman.bagabas@gmail.com>
This commit is contained in:
Ayman Bagabas
2024-07-17 07:58:31 +00:00
committed by Alex Brainman
parent 0eac9b5475
commit bce4cf76d8
4 changed files with 101 additions and 2 deletions
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windows/zsyscall_windows.go
+33
View File
@@ -478,12 +478,16 @@ var (
procGetDesktopWindow = moduser32.NewProc("GetDesktopWindow")
procGetForegroundWindow = moduser32.NewProc("GetForegroundWindow")
procGetGUIThreadInfo = moduser32.NewProc("GetGUIThreadInfo")
procGetKeyboardLayout = moduser32.NewProc("GetKeyboardLayout")
procGetShellWindow = moduser32.NewProc("GetShellWindow")
procGetWindowThreadProcessId = moduser32.NewProc("GetWindowThreadProcessId")
procIsWindow = moduser32.NewProc("IsWindow")
procIsWindowUnicode = moduser32.NewProc("IsWindowUnicode")
procIsWindowVisible = moduser32.NewProc("IsWindowVisible")
procLoadKeyboardLayoutW = moduser32.NewProc("LoadKeyboardLayoutW")
procMessageBoxW = moduser32.NewProc("MessageBoxW")
procToUnicodeEx = moduser32.NewProc("ToUnicodeEx")
procUnloadKeyboardLayout = moduser32.NewProc("UnloadKeyboardLayout")
procCreateEnvironmentBlock = moduserenv.NewProc("CreateEnvironmentBlock")
procDestroyEnvironmentBlock = moduserenv.NewProc("DestroyEnvironmentBlock")
procGetUserProfileDirectoryW = moduserenv.NewProc("GetUserProfileDirectoryW")
@@ -4082,6 +4086,12 @@ func GetGUIThreadInfo(thread uint32, info *GUIThreadInfo) (err error) {
return
}
func GetKeyboardLayout(tid uint32) (hkl Handle) {
r0, _, _ := syscall.Syscall(procGetKeyboardLayout.Addr(), 1, uintptr(tid), 0, 0)
hkl = Handle(r0)
return
}
func GetShellWindow() (shellWindow HWND) {
r0, _, _ := syscall.Syscall(procGetShellWindow.Addr(), 0, 0, 0, 0)
shellWindow = HWND(r0)
@@ -4115,6 +4125,15 @@ func IsWindowVisible(hwnd HWND) (isVisible bool) {
return
}
func LoadKeyboardLayout(name *uint16, flags uint32) (hkl Handle, err error) {
r0, _, e1 := syscall.Syscall(procLoadKeyboardLayoutW.Addr(), 2, uintptr(unsafe.Pointer(name)), uintptr(flags), 0)
hkl = Handle(r0)
if hkl == 0 {
err = errnoErr(e1)
}
return
}
func MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) {
r0, _, e1 := syscall.Syscall6(procMessageBoxW.Addr(), 4, uintptr(hwnd), uintptr(unsafe.Pointer(text)), uintptr(unsafe.Pointer(caption)), uintptr(boxtype), 0, 0)
ret = int32(r0)
@@ -4124,6 +4143,20 @@ func MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret i
return
}
func ToUnicodeEx(vkey uint32, scancode uint32, keystate *byte, pwszBuff *uint16, cchBuff int32, flags uint32, hkl Handle) (ret int32) {
r0, _, _ := syscall.Syscall9(procToUnicodeEx.Addr(), 7, uintptr(vkey), uintptr(scancode), uintptr(unsafe.Pointer(keystate)), uintptr(unsafe.Pointer(pwszBuff)), uintptr(cchBuff), uintptr(flags), uintptr(hkl), 0, 0)
ret = int32(r0)
return
}
func UnloadKeyboardLayout(hkl Handle) (err error) {
r1, _, e1 := syscall.Syscall(procUnloadKeyboardLayout.Addr(), 1, uintptr(hkl), 0, 0)
if r1 == 0 {
err = errnoErr(e1)
}
return
}
func CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) {
var _p0 uint32
if inheritExisting {