gsrlabs/sys
1
0
Fork 0
mirror of https://github.com/golang/sys.git synced 2026-02-09 04:06:04 +03:00
Code Issues Packages Projects Releases Wiki Activity

windows: add GetKeyboardLayout & ToUnicodeEx

Browse Source 
These are used along with GetForegroundWindow and GetWindowThreadProcessId to determine the current user layout and translate the base key the user has pressed.
This commit is contained in:
Ayman Bagabas
2024-03-27 12:57:08 -04:00
parent 6943ab67c4
commit dc63ed4c4d
2 changed files with 32 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
windows/syscall_windows.go
View File

@@ -17,8 +17,10 @@ import (
"unsafe"
)
type Handle uintptr
type HWND uintptr
type (
Handle uintptr
HWND uintptr
)
const (
InvalidHandle = ^Handle(0)
@@ -211,6 +213,8 @@ func NewCallbackCDecl(fn interface{}) uintptr {
//sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error)
//sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW
//sys GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) = user32.GetWindowThreadProcessId
//sys GetKeyboardLayout(tid uint32) (hkl Handle) = user32.GetKeyboardLayout
//sys toUnicodeEx(vkey uint32, scancode uint32, keystate *byte, pwszBuff *uint16, cchBuff int32, flags uint32, hkl Handle) (ret int32) = user32.ToUnicodeEx
//sys GetShellWindow() (shellWindow HWND) = user32.GetShellWindow
//sys MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) [failretval==0] = user32.MessageBoxW
//sys ExitWindowsEx(flags uint32, reason uint32) (err error) = user32.ExitWindowsEx
@@ -1368,9 +1372,11 @@ func SetsockoptLinger(fd Handle, level, opt int, l *Linger) (err error) {
func SetsockoptInet4Addr(fd Handle, level, opt int, value [4]byte) (err error) {
return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(&value[0])), 4)
}
func SetsockoptIPMreq(fd Handle, level, opt int, mreq *IPMreq) (err error) {
return Setsockopt(fd, int32(level), int32(opt), (*byte)(unsafe.Pointer(mreq)), int32(unsafe.Sizeof(*mreq)))
}
func SetsockoptIPv6Mreq(fd Handle, level, opt int, mreq *IPv6Mreq) (err error) {
return syscall.EWINDOWS
}
@@ -1916,3 +1922,13 @@ const (
EV_ERR = 0x0080
EV_RING = 0x0100
)
// ToUnicodeEx Translates the specified virtual-key code and keyboard state to
// the corresponding Unicode character or characters.
func ToUnicodeEx(virtualKey, scanCode uint32, buf []uint16, flags uint32, layout Handle) int32 {
if len(buf) == 0 {
return 0
}
var keyState [256]byte
return toUnicodeEx(virtualKey, scanCode, &keyState[0], &buf[0], int32(len(buf)), flags, layout)
}

14
windows/zsyscall_windows.go
View File

@@ -477,12 +477,14 @@ 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")
procMessageBoxW = moduser32.NewProc("MessageBoxW")
procToUnicodeEx = moduser32.NewProc("ToUnicodeEx")
procCreateEnvironmentBlock = moduserenv.NewProc("CreateEnvironmentBlock")
procDestroyEnvironmentBlock = moduserenv.NewProc("DestroyEnvironmentBlock")
procGetUserProfileDirectoryW = moduserenv.NewProc("GetUserProfileDirectoryW")
@@ -4073,6 +4075,12 @@ 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 +4123,12 @@ 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 CreateEnvironmentBlock(block **uint16, token Token, inheritExisting bool) (err error) {
var _p0 uint32
if inheritExisting {