// Copyright 2016 The go-vgo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// https://github.com/go-vgo/robotgo/blob/master/LICENSE
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// +build windows

package robotgo

import (
	"syscall"
	"unsafe"

	"github.com/lxn/win"
)

// FindWindow find window hwnd by name
func FindWindow(str string) win.HWND {
	hwnd := win.FindWindow(nil, syscall.StringToUTF16Ptr(str))

	return hwnd
}

// GetHWND get foreground window hwnd
func GetHWND() win.HWND {
	hwnd := win.GetForegroundWindow()

	return hwnd
}

// SendInput send n input event
func SendInput(nInputs uint32, pInputs unsafe.Pointer, cbSize int32) uint32 {
	return win.SendInput(nInputs, pInputs, cbSize)
}

// SendMsg send a message with hwnd
func SendMsg(hwnd win.HWND, msg uint32, wParam, lParam uintptr) uintptr {
	return win.SendMessage(hwnd, msg, wParam, lParam)
}

// SetActiveWindow set window active with hwnd
func SetActiveWindow(hwnd win.HWND) win.HWND {
	return win.SetActiveWindow(hwnd)
}

// SetFocus set window focus with hwnd
func SetFocus(hWnd win.HWND) win.HWND {
	return win.SetFocus(hWnd)
}