// +build windows
package sys_windows

foreign import user32 "system:User32.lib"

@(default_calling_convention="stdcall")
foreign user32 {
	GetClassInfoA :: proc(hInstance: HINSTANCE, lpClassNAme: LPCSTR, lpWndClass: ^WNDCLASSA) -> BOOL ---
	GetClassInfoW :: proc(hInstance: HINSTANCE, lpClassNAme: LPCWSTR, lpWndClass: ^WNDCLASSW) -> BOOL ---
	GetClassInfoExA :: proc(hInsatnce: HINSTANCE, lpszClass: LPCSTR, lpwcx: ^WNDCLASSEXA) -> BOOL ---
	GetClassInfoExW :: proc(hInsatnce: HINSTANCE, lpszClass: LPCWSTR, lpwcx: ^WNDCLASSEXW) -> BOOL ---

	GetClassLongPtrA :: proc(hWnd: HWND, nIndex: c_int) -> DWORD ---
	GetClassLongPtrW :: proc(hWnd: HWND, nIndex: c_int) -> DWORD ---
	SetClassLongPtrA :: proc(hWnd: HWND, nIndex: c_int, dwNewLong: LONG_PTR) -> ULONG_PTR ---
	SetClassLongPtrW :: proc(hWnd: HWND, nIndex: c_int, dwNewLong: LONG_PTR) -> ULONG_PTR ---

	GetClassNameA :: proc(hWnd: HWND, lpClassName: LPSTR, nMaxCount: c_int) -> c_int ---
	GetClassNameW :: proc(hWnd: HWND, lpClassName: LPWSTR, nMaxCount: c_int) -> c_int ---

	GetWindowLongPtrA :: proc(hWnd: HWND, nIndex: c_int) -> LONG_PTR ---
	GetWindowLongPtrW :: proc(hWnd: HWND, nIndex: c_int) -> LONG_PTR ---
	SetWindowLongPtrA :: proc(hWnd: HWND, nIndex: c_int, dwNewLong: LONG_PTR) -> LONG_PTR ---
	SetWindowLongPtrW :: proc(hWnd: HWND, nIndex: c_int, dwNewLong: LONG_PTR) -> LONG_PTR ---

	RegisterClassA :: proc(lpWndClass: ^WNDCLASSA) -> ATOM ---
	RegisterClassW :: proc(lpWndClass: ^WNDCLASSW) -> ATOM ---
	RegisterClassExA :: proc(^WNDCLASSEXA) -> ATOM ---
	RegisterClassExW :: proc(^WNDCLASSEXW) -> ATOM ---

	CreateWindowA :: proc(
		lpClassName: LPCSTR,
		lpWindowName: LPCSTR,
		dwStyle: DWORD,
		X: c_int,
		Y: c_int,
		nWidth: c_int,
		nHeight: c_int,
		hWndParent: HWND,
		hMenu: HMENU,
		hInstance: HINSTANCE,
		lpParam: LPARAM) -> HWND ---
	CreateWindowW :: proc(
		lpClassName: LPCWSTR,
		lpWindowName: LPCWSTR,
		dwStyle: DWORD,
		X: c_int,
		Y: c_int,
		nWidth: c_int,
		nHeight: c_int,
		hWndParent: HWND,
		hMenu: HMENU,
		hInstance: HINSTANCE,
		lpParam: LPARAM) -> HWND ---
	CreateWindowExA :: proc(
		dwExStyle: DWORD,
		lpClassName: LPCSTR,
		lpWindowName: LPCSTR,
		dwStyle: DWORD,
		X: c_int,
		Y: c_int,
		nWidth: c_int,
		nHeight: c_int,
		hWndParent: HWND,
		hMenu: HMENU,
		hInstance: HINSTANCE,
		lpParam: LPVOID,
	) -> HWND ---
	CreateWindowExW :: proc(
		dwExStyle: DWORD,
		lpClassName: LPCWSTR,
		lpWindowName: LPCWSTR,
		dwStyle: DWORD,
		X: c_int,
		Y: c_int,
		nWidth: c_int,
		nHeight: c_int,
		hWndParent: HWND,
		hMenu: HMENU,
		hInstance: HINSTANCE,
		lpParam: LPVOID,
	) -> HWND ---

	DestroyWindow :: proc(hWnd: HWND) -> BOOL ---

	ShowWindow :: proc(hWnd: HWND, nCmdShow: c_int) -> BOOL ---

	GetMessageA :: proc(lpMsg: ^MSG, hWnd: HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT) -> BOOL ---
	GetMessageW :: proc(lpMsg: ^MSG, hWnd: HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT) -> BOOL ---

	TranslateMessage :: proc(lpMsg: ^MSG) -> BOOL ---
	DispatchMessageA :: proc(lpMsg: ^MSG) -> LRESULT ---
	DispatchMessageW :: proc(lpMsg: ^MSG) -> LRESULT ---

	PeekMessageA :: proc(lpMsg: ^MSG, hWnd: HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT, wRemoveMsg: UINT) -> BOOL ---
	PeekMessageW :: proc(lpMsg: ^MSG, hWnd: HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT, wRemoveMsg: UINT) -> BOOL ---

	PostMessageA :: proc(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> BOOL ---
	PostMessageW :: proc(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> BOOL ---
	SendMessageA :: proc(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> LRESULT ---
	SendMessageW :: proc(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> LRESULT ---

	PostThreadMessageA :: proc(idThread: DWORD, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> BOOL ---
	PostThreadMessageW :: proc(idThread: DWORD, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> BOOL ---

	PostQuitMessage :: proc(nExitCode: c_int) ---

	GetQueueStatus :: proc(flags: UINT) -> DWORD ---

	DefWindowProcA :: proc(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> LRESULT ---
	DefWindowProcW :: proc(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> LRESULT ---

	FindWindowExA :: proc(hWndParent: HWND, hWndChildAfter: HWND, lpszClass: LPCSTR, lpszWindow: LPCSTR) -> HWND ---
	FindWindowExW :: proc(hWndParent: HWND, hWndChildAfter: HWND, lpszClass: LPCWSTR, lpszWindow: LPCWSTR) -> HWND ---

	LoadIconA :: proc(hInstance: HINSTANCE, lpIconName: LPCSTR) -> HICON ---
	LoadIconW :: proc(hInstance: HINSTANCE, lpIconName: LPCWSTR) -> HICON ---
	LoadCursorA :: proc(hInstance: HINSTANCE, lpCursorName: LPCSTR) -> HCURSOR ---
	LoadCursorW :: proc(hInstance: HINSTANCE, lpCursorName: LPCWSTR) -> HCURSOR ---

	GetClientRect :: proc(hWnd: HWND, lpRect: ^RECT) -> BOOL ---

	GetWindowDC :: proc(hWnd: HWND) -> HDC ---
	GetDC :: proc(hWnd: HWND) -> HDC ---
	ReleaseDC :: proc(hWnd: HWND, hDC: HDC) -> c_int ---

	BeginPaint :: proc(hWnd: HWND, lpPaint: ^PAINTSTRUCT) -> HDC ---
	EndPaint :: proc(hWnd: HWND, lpPaint: ^PAINTSTRUCT) -> BOOL ---
}