Add RegisterHotKey (global hotkey support)

.gitattributes

@@ -0,0 +1,16 @@
+* eol=lf
+
+*.cmd eol=crlf
+*.bat eol=crlf
+
+*.syso binary
+*.gif binary
+*.png binary
+*.jpg binary
+*.ico binary
+*.zip binary
+*.ttf binary
+*.otf binary
+*.woff binary
+*.eot binary
+*.pdf binary

go.mod

@@ -2,4 +2,4 @@ module github.com/lxn/win
 
 go 1.12
 
-require golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13
+require golang.org/x/sys v0.1.0

user32.go

@@ -1857,6 +1857,7 @@ var (
 	postQuitMessage             *windows.LazyProc
 	redrawWindow                *windows.LazyProc
 	registerClassEx             *windows.LazyProc
+	registerHotKey              *windows.LazyProc
 	registerRawInputDevices     *windows.LazyProc
 	registerWindowMessage       *windows.LazyProc
 	releaseCapture              *windows.LazyProc
@@ -2012,6 +2013,7 @@ func init() {
 	postQuitMessage = libuser32.NewProc("PostQuitMessage")
 	redrawWindow = libuser32.NewProc("RedrawWindow")
 	registerClassEx = libuser32.NewProc("RegisterClassExW")
+	registerHotKey = libuser32.NewProc("RegisterHotKey")
 	registerRawInputDevices = libuser32.NewProc("RegisterRawInputDevices")
 	registerWindowMessage = libuser32.NewProc("RegisterWindowMessageW")
 	releaseCapture = libuser32.NewProc("ReleaseCapture")
@@ -3091,6 +3093,17 @@ func RegisterClassEx(windowClass *WNDCLASSEX) ATOM {
 	return ATOM(ret)
 }
 
+func RegisterHotKey(hwnd HWND, id int, fsModifiers, vk uint) bool {
+	ret, _, _ := syscall.Syscall6(registerHotKey.Addr(), 4,
+		uintptr(hwnd),
+		uintptr(id),
+		uintptr(fsModifiers),
+		uintptr(vk),
+		0,
+		0)
+	return ret != 0
+}
+
 func RegisterRawInputDevices(pRawInputDevices *RAWINPUTDEVICE, uiNumDevices uint32, cbSize uint32) bool {
 	ret, _, _ := syscall.Syscall(registerRawInputDevices.Addr(), 3,
 		uintptr(unsafe.Pointer(pRawInputDevices)),