All build errors resolved. Now to test...

menus_windows.go

@@ -1,4 +1,5 @@
 // 10 february 2014
+//package ui
 package main
 
 import (
@@ -8,5 +9,5 @@ import (
 
 // Menu notifications.
 const (
-	WM_COMMAND = 0x0111
+	_WM_COMMAND = 0x0111
 )

stdwndclass_windows.go

@@ -42,7 +42,7 @@ func stdWndProc(hwnd _HWND, uMsg uint32, wParam _WPARAM, lParam _LPARAM) _LRESUL
 			uintptr(uMsg),
 			uintptr(wParam),
 			uintptr(lParam))
-		return LRESULT(r1)
+		return _LRESULT(r1)
 	}
 	panic(fmt.Sprintf("stdWndProc message %d did not return: internal bug in ui library", uMsg))
 }
@@ -66,18 +66,21 @@ func registerStdWndClass() (err error) {
 		_IDC_ARROW = 32512
 	)
 
-	icon, err := user32.NewProc("LoadIconW").Call(
+	r1, _, err := user32.NewProc("LoadIconW").Call(
 		uintptr(_NULL),
 		uintptr(_IDI_APPLICATION))
 	if err != nil {
 		return fmt.Errorf("error getting window icon: %v", err)
 	}
-	cursor, err := user32.NewProc("LoadCursorW").Call(
+	icon := _HANDLE(r1)
+
+	r1, _, err = user32.NewProc("LoadCursorW").Call(
 		uintptr(_NULL),
 		uintptr(_IDC_ARROW))
 	if err != nil {
 		return fmt.Errorf("error getting window cursor: %v", err)
 	}
+	cursor := _HANDLE(r1)
 
 	wc := &_WNDCLASS{
 		lpszClassName:	syscall.StringToUTF16Ptr(stdWndClass),
@@ -88,7 +91,7 @@ func registerStdWndClass() (err error) {
 		hbrBackground:	_HBRUSH(_COLOR_BTNFACE + 1),
 	}
 
-	r1, _, err := user32.NewProc("RegisterClassW").Call(uintptr(unsafe.Pointer(wc)))
+	r1, _, err = user32.NewProc("RegisterClassW").Call(uintptr(unsafe.Pointer(wc)))
 	if r1 == 0 {		// failure
 		return fmt.Errorf("error registering class: %v", err)
 	}

sysdata_windows.go

@@ -46,7 +46,7 @@ func (s *sysData) make() (err error) {
 		p:		[]uintptr{
 			uintptr(ct.xstyle),
 			ct.name,
-			uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(s.title))),
+			uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(s.text))),
 			uintptr(ct.style),
 			uintptr(_CW_USEDEFAULT),		// TODO
 			uintptr(_CW_USEDEFAULT),

uitask_windows.go

@@ -31,7 +31,7 @@ func ui(initDone chan error) {
 	go msgloop()
 
 	for m := range uitask {
-		r1, _, err := m.msg.Call(m.p...)
+		r1, _, err := m.call.Call(m.p...)
 		m.ret <- uiret{
 			ret:	r1,
 			err:	err,
@@ -47,6 +47,8 @@ var (
 	_translateMessage = user32.NewProc("TranslateMessage")
 )
 
+var getMessageFail = -1		// because Go doesn't let me
+
 func msgloop() {
 	runtime.LockOSThread()
 
@@ -60,7 +62,7 @@ func msgloop() {
 	}
 
 	for {
-		r1, _, err := getMessage.Call(
+		r1, _, err := _getMessage.Call(
 			uintptr(unsafe.Pointer(&msg)),
 			uintptr(_NULL),
 			uintptr(0),

window.go

@@ -24,8 +24,10 @@ type Window struct {
 func NewWindow(title string) *Window {
 	return &Window{
 		sysData:	&sysData{
-			ctype:	c_window,
-			text:		title,
+			cSysData:		cSysData{
+				ctype:	c_window,
+				text:		title,
+			},
 		},
 	}
 }