Partial go fmt. Will do the rest over the next few commits. While I'm not too happy about it, everyone else uses go fmt, and pull requests will be more convenient if I just do it. (Also do it now, because when I change the Windows backend things are going to change...)

uitask_darwin.go

@@ -54,6 +54,6 @@ func initCocoa() (err error) {
 
 //export appDelegate_uitask
 func appDelegate_uitask(p unsafe.Pointer) {
-	f := (*func ())(unsafe.Pointer(p))
+	f := (*func())(unsafe.Pointer(p))
 	(*f)()
 }

uitask_unix.go

@@ -30,8 +30,8 @@ func ui(main func()) error {
 		for f := range uitask {
 			done := make(chan struct{})
 			gdk_threads_add_idle(&gtkIdleOp{
-				what:	f,
-				done:	done,
+				what: f,
+				done: done,
 			})
 			<-done
 			close(done)

uitask_windows.go

@@ -4,9 +4,9 @@ package ui
 
 import (
 	"fmt"
+	"runtime"
 	"syscall"
 	"unsafe"
-	"runtime"
 )
 
 /*
@@ -25,18 +25,18 @@ yay.
 var uitask chan *uimsg
 
 type uimsg struct {
-	call		*syscall.LazyProc
-	p		[]uintptr
-	ret		chan uiret
+	call *syscall.LazyProc
+	p    []uintptr
+	ret  chan uiret
 }
 
 type uiret struct {
-	ret		uintptr
-	err		error
+	ret uintptr
+	err error
 }
 
 const (
-	msgRequested = _WM_APP + iota + 1		// + 1 just to be safe
+	msgRequested = _WM_APP + iota + 1 // + 1 just to be safe
 	msgQuit
 	msgSetAreaSize
 	msgRepaintAll
@@ -67,7 +67,7 @@ func ui(main func()) error {
 				msgRequested,
 				uintptr(0),
 				uintptr(unsafe.Pointer(m)))
-			if r1 == 0 {		// failure
+			if r1 == 0 { // failure
 				panic("error sending message to message loop to call function: " + err.Error())
 			}
 		}
@@ -80,7 +80,7 @@ func ui(main func()) error {
 			msgQuit,
 			uintptr(0),
 			uintptr(0))
-		if r1 == 0 {		// failure
+		if r1 == 0 { // failure
 			panic("error sending quit message to message loop: " + err.Error())
 		}
 	}()
@@ -90,21 +90,21 @@ func ui(main func()) error {
 }
 
 var (
-	_dispatchMessage = user32.NewProc("DispatchMessageW")
-	_getMessage = user32.NewProc("GetMessageW")
-	_postQuitMessage = user32.NewProc("PostQuitMessage")
-	_sendMessage = user32.NewProc("SendMessageW")
+	_dispatchMessage  = user32.NewProc("DispatchMessageW")
+	_getMessage       = user32.NewProc("GetMessageW")
+	_postQuitMessage  = user32.NewProc("PostQuitMessage")
+	_sendMessage      = user32.NewProc("SendMessageW")
 	_translateMessage = user32.NewProc("TranslateMessage")
 )
 
 func msgloop() {
 	var msg struct {
-		hwnd	_HWND
-		message	uint32
-		wParam	_WPARAM
-		lParam	_LPARAM
-		time		uint32
-		pt		_POINT
+		hwnd    _HWND
+		message uint32
+		wParam  _WPARAM
+		lParam  _LPARAM
+		time    uint32
+		pt      _POINT
 	}
 
 	for {
@@ -113,10 +113,10 @@ func msgloop() {
 			uintptr(_NULL),
 			uintptr(0),
 			uintptr(0))
-		if r1 == negConst(-1) {		// error
+		if r1 == negConst(-1) { // error
 			panic("error getting message in message loop: " + err.Error())
 		}
-		if r1 == 0 {		// WM_QUIT message
+		if r1 == 0 { // WM_QUIT message
 			return
 		}
 		_translateMessage.Call(uintptr(unsafe.Pointer(&msg)))
@@ -131,16 +131,16 @@ var (
 
 func makeMessageHandler() (hwnd _HWND, err error) {
 	wc := &_WNDCLASS{
-		lpszClassName:	utf16ToArg(msghandlerclass),
-		lpfnWndProc:		syscall.NewCallback(messageHandlerWndProc),
-		hInstance:		hInstance,
-		hIcon:			icon,
-		hCursor:			cursor,
-		hbrBackground:	_HBRUSH(_COLOR_BTNFACE + 1),
+		lpszClassName: utf16ToArg(msghandlerclass),
+		lpfnWndProc:   syscall.NewCallback(messageHandlerWndProc),
+		hInstance:     hInstance,
+		hIcon:         icon,
+		hCursor:       cursor,
+		hbrBackground: _HBRUSH(_COLOR_BTNFACE + 1),
 	}
 
 	r1, _, err := _registerClass.Call(uintptr(unsafe.Pointer(wc)))
-	if r1 == 0 {		// failure
+	if r1 == 0 { // failure
 		return _HWND(_NULL), fmt.Errorf("error registering the class of the invisible window for handling events: %v", err)
 	}
 
@@ -158,7 +158,7 @@ func makeMessageHandler() (hwnd _HWND, err error) {
 		uintptr(_NULL),
 		uintptr(hInstance),
 		uintptr(_NULL))
-	if r1 == 0 {		// failure
+	if r1 == 0 { // failure
 		return _HWND(_NULL), fmt.Errorf("error actually creating invisible window for handling events: %v", err)
 	}
 
@@ -171,8 +171,8 @@ func messageHandlerWndProc(hwnd _HWND, uMsg uint32, wParam _WPARAM, lParam _LPAR
 		m := (*uimsg)(unsafe.Pointer(lParam))
 		r1, _, err := m.call.Call(m.p...)
 		m.ret <- uiret{
-			ret:	r1,
-			err:	err,
+			ret: r1,
+			err: err,
 		}
 		return 0
 	case msgQuit:

window.go

@@ -12,25 +12,25 @@ type Window struct {
 	// Closing gets a message when the user clicks the window's close button.
 	// You cannot change it once the Window has been created.
 	// If you do not respond to this signal, nothing will happen; regardless of whether you handle the signal or not, the window will not be closed.
-	Closing		chan struct{}
+	Closing chan struct{}
 
-	lock			sync.Mutex
-	created		bool
-	sysData		*sysData
-	initTitle		string
-	initWidth		int
-	initHeight		int
-	shownOnce	bool
+	lock       sync.Mutex
+	created    bool
+	sysData    *sysData
+	initTitle  string
+	initWidth  int
+	initHeight int
+	shownOnce  bool
 }
 
 // NewWindow allocates a new Window with the given title and size. The window is not created until a call to Create() or Open().
 func NewWindow(title string, width int, height int) *Window {
 	return &Window{
-		sysData:		mksysdata(c_window),
-		initTitle:		title,
-		initWidth:		width,
-		initHeight:	height,
-		Closing:		newEvent(),
+		sysData:    mksysdata(c_window),
+		initTitle:  title,
+		initWidth:  width,
+		initHeight: height,
+		Closing:    newEvent(),
 	}
 }