diff --git a/rainbow/Turtle/Ctrl.h b/rainbow/Turtle/Ctrl.h
index 5afcba4ce..5af627870 100644
--- a/rainbow/Turtle/Ctrl.h
+++ b/rainbow/Turtle/Ctrl.h
@@ -2,11 +2,9 @@
 private:
 	static Ptr<Ctrl>      desktop;
 	static Vector<Ctrl *> topctrl;
-	static bool           invalid;
 
 	static Point fbCursorPos;
 	static Image fbCursorImage;
-	static bool  sdlMouseIsIn;
 	
 	static Rect  fbCaretRect;
 	static int   fbCaretTm;
@@ -14,8 +12,29 @@ private:
 	static bool  fbEndSession;
 	static int64 fbEventLoop;
 	static int64 fbEndSessionLoop;
+
+	static Ctrl& Desktop();
+
+	static void TimerAndPaint();
+	static bool ProcessEvent(const String& event);
+
+	static bool        quit;
+	static int         main_pid;
+	static Vector<int> pid;
+	static TcpSocket   socket;
+	static WebSocket   websocket;
+	static int64       update_serial;
+	static int64       recieved_update_serial;
 	
-	static void CursorSync();
+	static Vector<Rect> invalid;
+
+	static BiVector<String> event_queue;
+	static Size DesktopSize;
+	
+	static void AddInvalid(const Rect& r);
+	       void AddInvalid()                     { AddInvalid(GetScreenRect()); }
+	
+	static void InvalidateDesktop();
 	
 	int FindTopCtrl() const;
 	static Rect GetClipBound(const Vector<Rect>& inv, const Rect& r);
@@ -49,21 +68,17 @@ private:
 
 	void  SetOpen(bool b)               { isopen = b; }
 
-protected:
-	static Ctrl& Desktop();
-
-	static void TimerAndPaint();
-	static bool ProcessEvent(const String& event);
-
-	static bool        quit;
-	static int         main_pid;
-	static Vector<int> pid;
-	static TcpSocket   socket;
-	static WebSocket   websocket;
-
 	static void Signal(int signal);
 	static void Broadcast(int signal);
 
+	static void Put8(int x)              { turtle_stream.Put(x); }
+	static void Put16(int x);
+	static void Put32(int x);
+	static void Put(Point p);
+	static void Put(Size sz);
+	static void Put(const Rect& r);
+	static void Put(const String& s);
+
 public:
 	static bool DoKeyFB(dword key, int cnt);
 	
@@ -71,6 +86,9 @@ public:
 	static int    port;
 	static bool   debugmode;
 	static String ip;
+	
+	static Time   stat_started;
+	static int64  stat_data_send;
 
 	static bool     StartSession();
 	static Callback WhenDisconnect;
@@ -80,21 +98,12 @@ public:
 	static Ctrl *GetDesktop()                  { return desktop; }
 	static void  SetDesktopSize(Size sz);
 	
-	static void Invalidate()                   { invalid = true; }
-
 	void DragRectDraw(const Rect& rect1, const Rect& rect2, const Rect& clip, int n,
 	                  Color color, int type, int animation);
 
 	static Ctrl *FindMouseTopCtrl();
 
 	static void PaintScene(SystemDraw& draw);
-	static void PaintCaretCursor(SystemDraw& draw);
 	
-	static bool SystemCursor;
-
 	enum { DRAWDRAGRECT_SCREEN = 0x8000 };
-
-	_TODO_
-	static bool ProcessEventQueue(const String& event_queue);
-
 //$ };
diff --git a/rainbow/Turtle/Draw.cpp b/rainbow/Turtle/Draw.cpp
index 4d4111a86..891252439 100644
--- a/rainbow/Turtle/Draw.cpp
+++ b/rainbow/Turtle/Draw.cpp
@@ -2,43 +2,10 @@
 
 #ifdef GUI_TURTLE
 
+#define LLOG(x) // LOG(x)
+
 NAMESPACE_UPP
 
-void SystemDraw::Put16(int x)
-{
-	Put8(LOBYTE(x));
-	Put8(HIBYTE(x));
-}
-
-void SystemDraw::Put32(int x)
-{
-	Put16(LOWORD(x));
-	Put16(HIWORD(x));
-}
-
-void SystemDraw::Put(Point p)
-{// TODO: Clamp?
-	Put16(p.x);
-	Put16(p.y);
-}
-
-void SystemDraw::Put(Size sz)
-{
-	Put((Point)sz);
-}
-
-void SystemDraw::Put(const Rect& r)
-{
-	Put(r.TopLeft());
-	Put(r.GetSize());
-}
-
-void SystemDraw::Put(const String& s)
-{
-	Put32(s.GetLength());
-	turtle_stream.Put(s);
-}
-
 Index<int64> SystemDraw::img_index[3];
 
 int SystemDraw::GetImageI(int from, Index<int64>& img_index, int maxcount, const Image& img)
@@ -54,15 +21,16 @@ int SystemDraw::GetImageI(int from, Index<int64>& img_index, int maxcount, const
 			q = Random(maxcount);
 			img_index.Set(q, id);
 		}
-		Put8(SETIMAGE);
-		Put16(q + from);
-		Put(img.GetSize());
+		LLOG("SetImage " << q + from << ", size: " << img.GetLength());
+		Ctrl::Put8(SETIMAGE);
+		Ctrl::Put16(q + from);
+		Ctrl::Put(img.GetSize());
 		const RGBA *end = ~img + img.GetLength();
 		for(const RGBA *s = ~img; s < end; s++) {
-			Put8(s->r);
-			Put8(s->g);
-			Put8(s->b);
-			Put8(s->a);
+			Ctrl::Put8(s->r);
+			Ctrl::Put8(s->g);
+			Ctrl::Put8(s->b);
+			Ctrl::Put8(s->a);
 		}
 	}
 	return q + from;
@@ -78,28 +46,55 @@ int SystemDraw::GetImageI(const Image& img)
 
 void SystemDraw::PutImage(Point p, const Image& img, const Rect& src)
 {
+	LLOG("Ctrl::PutImage " << p << ", size: " << img.GetSize() << ", src: " << src << ", id: " << img.GetSerialId());
 	int i = GetImageI(img);
-	Put8(IMAGE);
-	Put16(i);
-	Put(p);
-	Put(src);
+	if(Rect(img.GetSize()) == src) {
+		Point dp = p - pos;
+		if(abs(dp.x) < 256 && abs(dp.y) < 256) {
+			Ctrl::Put8(dp.x < 0 ? dp.y < 0 ? IMAGENN : IMAGENP : dp.y < 0 ? IMAGEPN : IMAGEPP);
+			Ctrl::Put8(abs(dp.x));
+			Ctrl::Put8(abs(dp.y));
+			Ctrl::Put16(i);
+			pos = p;
+			return;
+		}
+	}
+	Ctrl::Put8(IMAGE);
+	Ctrl::Put16(i);
+	Ctrl::Put(p);
+	Ctrl::Put(src);
+	pos = p;
 }
 
 void SystemDraw::PutRect(const Rect& r, Color color)
-{ // TODO: Support InvertColor
+{
+	LLOG("Ctrl::PutRect " << r << ", color " << color);
+	Point p = r.TopLeft();
 	if(color == InvertColor()) {
-		Put8(INVERTRECT);
-		Put(r);
+		Ctrl::Put8(INVERTRECT);
+		Ctrl::Put(r);
 	}
 	else {
-		Put8(RECT);
-		Put(r);
-		Put8(color.GetR());
-		Put8(color.GetG());
-		Put8(color.GetB());
+		Size sz = r.GetSize();
+		Point dp = p - pos;
+		if(abs(dp.x) < 256 && abs(dp.y) < 256 && sz.cx < 256 && sz.cy < 256 && 0) {
+			Ctrl::Put8(dp.x < 0 ? dp.y < 0 ? RECTNN : RECTNP : dp.y < 0 ? RECTPN : RECTPP);
+			Ctrl::Put8(abs(dp.x));
+			Ctrl::Put8(abs(dp.y));
+			Ctrl::Put8(sz.cx);
+			Ctrl::Put8(sz.cy);
+		}
+		else {
+			Ctrl::Put8(RECT);
+			Ctrl::Put(r);
+		}
+		Ctrl::Put8(color.GetR());
+		Ctrl::Put8(color.GetG());
+		Ctrl::Put8(color.GetB());
 	}
+	pos = p;
 }
 
 END_UPP_NAMESPACE
 
-#endif
\ No newline at end of file
+#endif
diff --git a/rainbow/Turtle/DrawDragRect.cpp b/rainbow/Turtle/DrawDragRect.cpp
index 8126d3eb3..5b94472f7 100644
--- a/rainbow/Turtle/DrawDragRect.cpp
+++ b/rainbow/Turtle/DrawDragRect.cpp
@@ -63,7 +63,7 @@ void DrawDragRect(Ctrl& q, const DrawDragRectInfo& f)
 	DrawDragFrame(w, f.rect1, f.n, dash, f.animation);
 	DrawDragFrame(w, f.rect2, f.n, dash, f.animation);
 //	w.End();
-	Ctrl::PaintCaretCursor(w);
+//	Ctrl::PaintCaretCursor(w);
 //	SDL_GL_SwapWindow(screen.win);
 }
 
@@ -88,7 +88,7 @@ void FinishDragRect(Ctrl& q)
 {
 	SystemDraw w;
 	Ctrl::PaintScene(w);
-	Ctrl::PaintCaretCursor(w);
+//	Ctrl::PaintCaretCursor(w);
 	_TODO_
 	//SDL_GL_SwapWindow(screen.win);
 }
diff --git a/rainbow/Turtle/Event.cpp b/rainbow/Turtle/Event.cpp
index 3c889b586..c7fae6a96 100644
--- a/rainbow/Turtle/Event.cpp
+++ b/rainbow/Turtle/Event.cpp
@@ -8,9 +8,12 @@ NAMESPACE_UPP
 #define LDUMP(x)    // RDUMP(x)
 #define LTIMING(x)
 
+Time  Ctrl::stat_started;
+int64 Ctrl::stat_data_send;
+
 static Point MousePos;
 
-Size   DesktopSize = Size(1000, 1000);
+Size   Ctrl::DesktopSize = Size(1000, 1000);
 
 StaticRect& DesktopRect()
 {
@@ -23,24 +26,7 @@ Ctrl& Ctrl::Desktop()
 	return DesktopRect();
 }
 
-BiVector<String> event_queue;
-
-void Ctrl::TimerAndPaint()
-{
-	LLOG("TimerAndPaint " << msecs());
-	TimerProc(GetTickCount());
-	DefferedFocusSync();
-	SyncCaret();
-	SyncTopWindows();
-	SweepMkImageCache();
-	DoPaint();
-	socket.Timeout(20000);
-	websocket.SendBinary(ZCompress(String(SystemDraw::DISABLESENDING, 1))); // Do not send events until data transfered and processed
-	String s = turtle_stream.FlushStream();
-	if(s.GetCount() > 10)
-		LLOG("Sending " << s.GetLength());
-	websocket.SendBinary(s);
-}
+BiVector<String> Ctrl::event_queue;
 
 void Ctrl::EndSession()
 {
@@ -66,8 +52,20 @@ bool Ctrl::IsWaitingEvent()
 		}
 		LLOG("Recieved data " << s);
 		StringStream ss(s);
-		while(!ss.IsEof())
-			event_queue.AddTail(ss.GetLine());
+		while(!ss.IsEof()) {
+			String s = ss.GetLine();
+			CParser p(s);
+			try {
+				if(p.Id("S")) {
+					uint32 l = p.ReadNumber();
+					uint32 h = p.ReadNumber();
+					recieved_update_serial = MAKEQWORD(l, h);
+				}
+				else
+					event_queue.AddTail(s);
+			}
+			catch(CParser::Error) {}
+		}
 	}
 	socket.Timeout(20000);
 	if(socket.IsError())
@@ -148,86 +146,6 @@ void Ctrl::SetCaret(int x, int y, int cx, int cy)
 	SyncCaret();
 }
 
-void Ctrl::SyncCaret()
-{
-	CursorSync();
-}
-
-void Ctrl::CursorSync()
-{
-//	LLOG("@ CursorSync");
-	Point p = GetMousePos() - fbCursorImage.GetHotSpot();
-	Rect cr = Null;
-	if(focusCtrl && (((GetTickCount() - fbCaretTm) / 500) & 1) == 0)
-		cr = (RectC(focusCtrl->caretx, focusCtrl->carety, focusCtrl->caretcx, focusCtrl->caretcy)
-		      + focusCtrl->GetScreenView().TopLeft()) & focusCtrl->GetScreenView();
-	if(fbCursorPos != p && !SystemCursor || cr != fbCaretRect) {
-		fbCaretRect = cr;
-		fbCursorPos = p;
-		Invalidate();
-	}
-}
-
-void Ctrl::PaintScene(SystemDraw& draw)
-{
-	if(!desktop)
-		return;
-	LLOG("@ DoPaint");
-	LTIMING("DoPaint paint");
-	draw.Init(DesktopSize);
-	draw.Begin();
-	Vector<Rect> invalid;
-	invalid.Add(DesktopSize); _TODO_
-	for(int i = topctrl.GetCount() - 1; i >= 0; i--) {
-		Rect r = topctrl[i]->GetRect();
-		Rect ri = GetClipBound(invalid, r);
-		if(!IsNull(ri)) {
-			draw.Clipoff(r);
-			topctrl[i]->UpdateArea(draw, ri - r.TopLeft());
-			draw.End();
-			Subtract(invalid, r);
-			draw.ExcludeClip(r);
-		}
-	}
-	Rect ri = GetClipBound(invalid, desktop->GetRect().GetSize());
-	if(!IsNull(ri))
-		desktop->UpdateArea(draw, ri);
-	draw.End();
-}
-
-void Ctrl::PaintCaretCursor(SystemDraw& draw)
-{
-	if(!IsNull(fbCaretRect))
-		draw.DrawRect(fbCaretRect, InvertColor);
-	int64 q = fbCursorImage.GetAuxData();
-	if(q) {
-		draw.Put8(SystemDraw::STD_CURSORIMAGE);
-		draw.Put8(clamp((int)q, 1, 16));
-	}
-	else {
-		String h;
-		Point p = fbCursorImage.GetHotSpot();
-		h << "url('data:image/png;base64,"
-		  << Base64Encode(PNGEncoder().SaveString(fbCursorImage))
-		  << "') " << p.x << ' ' << p.y << ", default";
-		draw.Put8(SystemDraw::SETCURSORIMAGE);
-		draw.Put16(0); // _TODO_ Cursor cache
-		draw.Put(h);
-		draw.Put8(SystemDraw::CURSORIMAGE);
-		draw.Put16(0); // _TODO_ Cursor cache
-	}
-}
-
-void Ctrl::DoPaint()
-{ 
-	if(invalid && desktop) {
-		invalid = false;
-		SystemDraw draw;
-		PaintScene(draw);
-		PaintCaretCursor(draw);
-	}
-}
-
 bool keyShift;
 bool keyCtrl;
 bool keyAlt;
@@ -238,7 +156,8 @@ bool GetAlt()         { return keyAlt; }
 bool GetCapsLock()    { return false; } // Impossible to implement
 
 dword fbKEYtoK(dword chr) {
-	chr = chr + K_DELTA;
+	if(findarg(chr, 9, 0xd) < 0)
+		chr = chr + K_DELTA;
 	if(chr == K_ALT_KEY || chr == K_CTRL_KEY || chr == K_SHIFT_KEY)
 		return chr;
 	if(GetCtrl()) chr |= K_CTRL;
@@ -409,7 +328,7 @@ bool Ctrl::ProcessEvent(const String& event)
 			int code = p.ReadInt();
 			int which = p.ReadInt();
 			ReadKeyMods(p);
-			if(which && !keyAlt && !keyCtrl)
+			if(which && !keyAlt && !keyCtrl && findarg(which, 9, 0xd) < 0)
 				DoKeyFB(which, 1);
 		}
 	}
diff --git a/rainbow/Turtle/Output.cpp b/rainbow/Turtle/Output.cpp
new file mode 100644
index 000000000..507aa3ea9
--- /dev/null
+++ b/rainbow/Turtle/Output.cpp
@@ -0,0 +1,146 @@
+#include "Local.h"
+
+#ifdef GUI_TURTLE
+
+NAMESPACE_UPP
+
+#define LLOG(x)     // LLOG(x)
+#define LDUMP(x)    // RDUMP(x)
+#define LTIMING(x)
+
+void Ctrl::Put16(int x)
+{
+	Put8(LOBYTE(x));
+	Put8(HIBYTE(x));
+}
+
+void Ctrl::Put32(int x)
+{
+	Put16(LOWORD(x));
+	Put16(HIWORD(x));
+}
+
+void Ctrl::Put(Point p)
+{// TODO: Clamp?
+	Put16(p.x);
+	Put16(p.y);
+}
+
+void Ctrl::Put(Size sz)
+{
+	Put((Point)sz);
+}
+
+void Ctrl::Put(const Rect& r)
+{
+	Put(r.TopLeft());
+	Put(r.GetSize());
+}
+
+void Ctrl::Put(const String& s)
+{
+	Put32(s.GetLength());
+	turtle_stream.Put(s);
+}
+
+void Ctrl::TimerAndPaint()
+{
+	LLOG("TimerAndPaint " << msecs());
+	TimerProc(GetTickCount());
+	DefferedFocusSync();
+	SyncCaret();
+	SyncTopWindows();
+	SweepMkImageCache();
+	DoPaint();
+	socket.Timeout(20000);
+	if(turtle_stream.HasData()) {
+		websocket.SendBinary(ZCompress(String(SystemDraw::DISABLESENDING, 1))); // Do not send events until data transfered and processed
+		int64 x = ++update_serial;
+		Put8(SystemDraw::UPDATESERIAL);
+		Put32(LODWORD(x));
+		Put32(HIDWORD(x));
+		String s = turtle_stream.FlushStream();
+		stat_data_send += s.GetCount();
+		LLOG("Sending " << s.GetLength());
+		websocket.SendBinary(s);
+	}
+}
+
+void Ctrl::SyncCaret()
+{
+	Rect cr = Null;
+	if(focusCtrl)
+		cr = (RectC(focusCtrl->caretx, focusCtrl->carety, focusCtrl->caretcx, focusCtrl->caretcy)
+		      + focusCtrl->GetScreenView().TopLeft()) & focusCtrl->GetScreenView();
+	if(cr != fbCaretRect) { // TODO: SetCaret should perhaps be called on Ctrl::SetCaret
+		Put8(SystemDraw::SETCARET);
+		Put(cr);
+		fbCaretRect = cr;
+	}
+}
+
+void Ctrl::PaintScene(SystemDraw& draw)
+{
+	if(!desktop)
+		return;
+	LLOG("@ DoPaint");
+	LTIMING("DoPaint paint");
+	draw.Init(invalid, DesktopSize.cy);
+//	draw.Init(DesktopSize);
+	draw.Begin();
+	for(int i = topctrl.GetCount() - 1; i >= 0; i--) {
+		Rect r = topctrl[i]->GetRect();
+		Rect ri = GetClipBound(invalid, r);
+		LLOG(i << " Window " << r << ", bound " << ri);
+		if(!IsNull(ri)) {
+			draw.Clipoff(r);
+			topctrl[i]->UpdateArea(draw, ri - r.TopLeft());
+			draw.End();
+			draw.ExcludeClip(r);
+			Subtract(invalid, r);
+		}
+	}
+	Rect ri = GetClipBound(invalid, DesktopSize);
+	if(!IsNull(ri))
+		desktop->UpdateArea(draw, ri);
+	invalid.Clear();
+	draw.End();
+	
+//	DDUMP(turtle_stream.FlushStream().GetCount()); abort();
+}
+
+void Ctrl::DoPaint()
+{
+	if(recieved_update_serial >= update_serial - 1) { // Prevent overloading of transfer
+		if(invalid.GetCount() && desktop) {
+			SystemDraw draw;
+			PaintScene(draw);
+		}
+		static int64 prev_cursor_id = Null;
+		int64 id = fbCursorImage.GetSerialId();
+		if(id != prev_cursor_id) {
+			prev_cursor_id = id;
+			int64 q = fbCursorImage.GetAuxData();
+			if(q) {
+				Put8(SystemDraw::STD_CURSORIMAGE);
+				Put8(clamp((int)q, 1, 16));
+			}
+			else {
+				String h;
+				Point p = fbCursorImage.GetHotSpot();
+				h << "url('data:image/png;base64,"
+				  << Base64Encode(PNGEncoder().SaveString(fbCursorImage))
+				  << "') " << p.x << ' ' << p.y << ", default";
+				Put8(SystemDraw::SETCURSORIMAGE);
+				Put16(0); // _TODO_ Cursor cache
+				Put(h);
+				Put8(SystemDraw::CURSORIMAGE);
+				Put16(0); // _TODO_ Cursor cache
+			}
+		}
+	}
+}
+
+END_UPP_NAMESPACE
+
+#endif
diff --git a/rainbow/Turtle/Server.cpp b/rainbow/Turtle/Server.cpp
index e4ea52016..75d69c957 100644
--- a/rainbow/Turtle/Server.cpp
+++ b/rainbow/Turtle/Server.cpp
@@ -25,35 +25,6 @@ void Ctrl::Broadcast(int signal) {
 			kill(pid[i], signal);	
 #endif
 }
-
-void Ctrl::Signal(int signal)
-{
-#ifdef PLATFORM_POSIX
-	int i = 0;
-	while(i < pid.GetCount())
-		if(pid[i] && waitpid(pid[i], 0, WNOHANG | WUNTRACED) > 0)
-			pid.Remove(i);
-		else
-			i++;
-	switch(signal) {
-	case SIGTERM:
-	case SIGHUP:
-		quit = true;
-		Broadcast(signal);
-		break;
-	case SIGINT:
-		Broadcast(signal);
-		exit(0);
-		break;
-	case SIGALRM:
-		if(getpid() != main_pid) {
-			// "Timeout - session stoped"
-			exit(0);
-		}
-		break;
-	}
-#endif
-}
 	
 String    Ctrl::host = "localhost";
 int       Ctrl::port = 8088;
@@ -61,21 +32,14 @@ bool      Ctrl::debugmode;
 String    Ctrl::ip = "0.0.0.0";
 TcpSocket Ctrl::socket;
 WebSocket Ctrl::websocket;
+int64     Ctrl::update_serial;
+int64     Ctrl::recieved_update_serial;
 
 bool Ctrl::StartSession()
 {
 	LLOG("Connect");
 
 #ifdef PLATFORM_POSIX
-	struct sigaction sa;
-	memset(&sa, 0, sizeof(sa));
-	sa.sa_handler = Signal;
-	sigaction(SIGTERM, &sa, NULL);
-	sigaction(SIGINT, &sa, NULL);
-	sigaction(SIGHUP, &sa, NULL);
-	sigaction(SIGALRM, &sa, NULL);
-	sigaction(SIGCHLD, &sa, NULL);
-	
 	main_pid = getpid();
 #endif
 
@@ -99,11 +63,19 @@ bool Ctrl::StartSession()
 	}
 #endif
 
-	RLOG("Starting to listen on 8088");
+	RLOG("Starting to listen on 8088, pid: " << getpid());
 	socket.Timeout(2000); // TODO: Not quite ideal way to make quit work..
 	for(;;) {
 		if(quit)
 			return false;
+#ifdef PLATFORM_POSIX
+		int i = 0;
+		while(i < pid.GetCount())
+			if(pid[i] && waitpid(pid[i], 0, WNOHANG | WUNTRACED) > 0)
+				pid.Remove(i);
+			else
+				i++;
+#endif
 		if(server.IsError())
 			server.ClearError();
 		if(socket.Accept(server)) {
@@ -112,8 +84,10 @@ bool Ctrl::StartSession()
 				RLOG("Accepted, header read");
 				if(websocket.WebAccept(socket, http)) { // TODO: Connection limit, info
 #ifdef PLATFORM_POSIX
+					if(debugmode)
+						break;
 					int newpid = fork();
-					if(debugmode || newpid == 0)
+					if(newpid == 0)
 						break;
 					else {
 						pid.Add(newpid);
@@ -132,7 +106,7 @@ bool Ctrl::StartSession()
 			socket.Close();
 		}
 	}
-	RLOG("Connection established with " << socket.GetPeerAddr());
+	RLOG("Connection established with " << socket.GetPeerAddr() << ", pid: " << getpid());
 	server.Close();
 	if(socket.IsError())
 		RLOG("CONNECT ERROR: " << socket.GetErrorDesc());
@@ -145,12 +119,18 @@ bool Ctrl::StartSession()
 #endif
 	ChStdSkin();
 
-	extern Size DesktopSize;
 	extern StaticRect& DesktopRect();
 
 	DesktopRect().Color(Cyan());
 	DesktopRect().SetRect(0, 0, DesktopSize.cx, DesktopSize.cy);
 	SetDesktop(Desktop());
+	
+	stat_started = GetSysTime();
+	
+	while(!IsWaitingEvent())
+		GuiSleep(10);
+	
+	ProcessEvents();
 
 	return true;
 }
diff --git a/rainbow/Turtle/Stream.cpp b/rainbow/Turtle/Stream.cpp
index bc92eaf71..0963d1d4a 100644
--- a/rainbow/Turtle/Stream.cpp
+++ b/rainbow/Turtle/Stream.cpp
@@ -14,11 +14,13 @@ void TurtleStream::Reset()
 {
 	zlib.Clear();
 	zlib.Compress();
+	hasdata = false;
 }
 
 void TurtleStream::Out(const void *data, dword size)
 {
 	zlib.Put(data, (int)size);
+	hasdata = true;
 }
 
 String TurtleStream::FlushStream()
diff --git a/rainbow/Turtle/Turtle.h b/rainbow/Turtle/Turtle.h
index 6130323c9..802c95ffa 100644
--- a/rainbow/Turtle/Turtle.h
+++ b/rainbow/Turtle/Turtle.h
@@ -20,11 +20,13 @@ public:
 
 private:
 	Zlib zlib;
+	bool hasdata;
 
 	void Reset();
 
 public:
 	String FlushStream();
+	bool   HasData() const         { return hasdata; }
 
 	TurtleStream() { Reset(); }
 };
@@ -46,24 +48,33 @@ public:
 		SETCURSORIMAGE = 5,
 		CURSORIMAGE = 6,
 		DISABLESENDING = 7,
+		UPDATESERIAL = 8,
+		
+		IMAGEPP = 9,
+		IMAGENP = 10,
+		IMAGEPN = 11,
+		IMAGENN = 12,
+
+		RECTPP = 13,
+		RECTNP = 14,
+		RECTPN = 15,
+		RECTNN = 16,
+
+		SETCARET = 17,
 	};
 	
 	static Index<int64>           img_index[3];
+
+	Point pos;
 	
 	int GetImageI(int from, Index<int64>& img_index, int maxcount, const Image& img);
 	int GetImageI(const Image& img);
 	static void ResetI()          { for(int i = 0; i < 3; i++) img_index[i].Clear(); }
 
-	void Put8(int x)              { turtle_stream.Put(x); }
-	void Put16(int x);
-	void Put32(int x);
-	void Put(Point p);
-	void Put(Size sz);
-	void Put(const Rect& r);
-	void Put(const String& s);
-
 	bool    CanSetSurface()                         { return false; }
 	static void Flush()                             {}
+	
+	SystemDraw()                                    { pos = Point(0, 0); }
 };
 
 struct BackDraw__ : public SystemDraw {
@@ -114,7 +125,7 @@ class TopWindowFrame;
 
 #define GUIPLATFORM_TOPWINDOW_DECLS_INCLUDE <Turtle/Top.h>
 
-class PrinterJob { // Dummy only...
+class PrinterJob { // _TODO_
 	NilDraw             nil;
 	Vector<int>         pages;
 
@@ -137,11 +148,6 @@ public:
 	~PrinterJob()                                       {}
 };
 
-void USDLSetup(dword flags);
-
-
-void InitTelpp();
-
 END_UPP_NAMESPACE
 
 #define GUIPLATFORM_INCLUDE_AFTER <Turtle/After.h>
diff --git a/rainbow/Turtle/Turtle.html b/rainbow/Turtle/Turtle.html
index 54c6f4dac..919360f09 100644
--- a/rainbow/Turtle/Turtle.html
+++ b/rainbow/Turtle/Turtle.html
@@ -40,8 +40,8 @@ U.prototype.k=function(){var b=this.input,d,a;d=this.q.k();this.a=this.q.a;if(th
 
 function Log(msg)
 {
-//	if (window.console && console.log)
-//	   	console.log(msg); //for firebug
+	if (window.console && console.log)
+	   	console.log(msg); //for firebug
 }
 
 function Char(p, ch)
@@ -83,19 +83,94 @@ function GetString(p)
 
 var SendingEnabled = true;
 
+var posx, posy;
+var ctx;
+
+var caretx = 0, carety = 0, caretcx = 0, caretcy = 0, caretshown = false;
+var caretTimerID;
+
+function InvertRect(x, y, cx, cy)
+{
+	if(cx <= 0 || cy <= 0)
+		return;
+	var imageData = ctx.getImageData(x, y, cx, cy);
+	var data = imageData.data;
+	for(var i = 0; i < data.length; i += 4) {
+	    data[i] = 255 - data[i];
+	    data[i + 1] = 255 - data[i + 1];
+	    data[i + 2] = 255 - data[i + 2];
+	}
+	ctx.putImageData(imageData, x, y);
+}
+
+function InvertCaret()
+{
+//	Log("InvertCaret " + caretx + " " + carety + " " + caretcx + " " + caretcy);
+	if(caretcx >= 0 || caretcy >= 0)
+		InvertRect(caretx, carety, caretcx, caretcy);
+}
+
+function ClearCaretTimer()
+{
+	if(caretTimerID != undefined)
+		clearTimeout(caretTimerID);
+}
+
+function CaretTimer()
+{
+	ClearCaretTimer();
+	caretTimerID = setTimeout(DoCaret, 500);
+}
+
+function DoCaret()
+{
+	if(caretcx || caretcy) {
+		InvertCaret();
+		caretshown = !caretshown;
+		CaretTimer();
+	}
+}
+
+function InvertShownCaret()
+{
+	if(caretshown)
+		InvertCaret();
+}
+
+function HideCaret(x, y, cx, cy)
+{
+	return;
+	if(caretHidden)
+		return;
+	if(Math.max(x, caretx) < Math.min(x + cx, caretx + caretcx) &&
+	   Math.max(y, carety) < Math.min(y + cy, carety + caretcy)) {
+	    Log("Hiding caret");
+	    InvertShownCaret();
+		caretHidden = true;
+	}
+}
+
 function ProcessDraw(s)
 {
 //	console.clear();
 
+//	window.document.title = "Processing draw";
+	
 	var p = new Object;
 	p.data = s;
 	p.pos = 0;
 
 	var canvas = document.getElementById("myCanvas");
-	var ctx = canvas.getContext("2d");
+
+	ctx = canvas.getContext("2d");
 	
 	SendingEnabled = true;
 	
+	posx = 0;
+	posy = 0;
+	
+	InvertShownCaret();
+	
     while(p.pos < p.data.length) {
     	// Log(p.pos + ": " + p.data[p.pos]);
         if(Char(p, 0)) { // RECT
@@ -110,7 +185,10 @@ function ProcessDraw(s)
         	var c = "rgb(" + r + "," + g + "," + b + ")";
         	ctx.fillStyle = c;
         	// Log("color: " + c);
+        	HideCaret(x, y, cx, cy);
         	ctx.fillRect(x, y, cx, cy);
+			posx = x;
+			posy = y;
         }
         else
         if(Char(p, 3)) { // INVERTRECT
@@ -119,14 +197,8 @@ function ProcessDraw(s)
         	var cx = Get16(p);
         	var cy = Get16(p);
         	// Log("irect: " + x + ", " + y + ", " + cx + ", " + cy);
-        	var imageData = ctx.getImageData(x, y, cx, cy);
-			var data = imageData.data;
-			for(var i = 0; i < data.length; i += 4) {
-			    data[i] = 255 - data[i];
-			    data[i + 1] = 255 - data[i + 1];
-			    data[i + 2] = 255 - data[i + 2];
-			}
-			ctx.putImageData(imageData, x, y);
+        	HideCaret(x, y, cx, cy);
+			InvertRect(x, y, cx, cy);
         }
         else
         if(Char(p, 2)) { // SETIMAGE
@@ -161,8 +233,12 @@ function ProcessDraw(s)
 
 //			Log("Draw image: " + n);
 			if(window.img_cache[n] == undefined)
-				alert("Undefined: " + n);
+				alert("Undefined image: " + n);
+        	HideCaret(x, y, cx, cy);
 			ctx.drawImage(window.img_cache[n], x, y, cx, cy, px, py, cx, cy);
+			
+			posx = px;
+			posy = py;
 		}
 		else
 		if(Char(p, 4)) { // STD_CURSORIMAGE
@@ -201,14 +277,93 @@ function ProcessDraw(s)
 		if(Char(p, 7)) { // DISABLESENDING
 			SendingEnabled = true;
 		}
+		else
+		if(Char(p, 8)) { // UPDATESERIAL
+			update_serial_l = Get32(p);
+			update_serial_h = Get32(p);
+			ws.send("S " + update_serial_l + " " + update_serial_h + "\n");
+		}
+		else
+        if(Char(p, 9)) // IMAGEPP
+        	SImage(p, 1, 1);
+        else
+        if(Char(p, 10)) // IMAGENP
+        	SImage(p, -1, 1);
+        else
+        if(Char(p, 11)) // IMAGEPN
+        	SImage(p, 1, -1);
+        else
+        if(Char(p, 12)) // IMAGENN
+        	SImage(p, -1, -1);
+		else
+        if(Char(p, 13)) // RECTPP
+        	SRect(p, 1, 1);
+        else
+        if(Char(p, 14)) // RECTNP
+        	SRect(p, -1, 1);
+        else
+        if(Char(p, 15)) // RECTPN
+        	SRect(p, 1, -1);
+        else
+        if(Char(p, 16)) // RECTNN
+        	SRect(p, -1, -1);
+        else
+		if(Char(p, 17)) { // SETCARET
+			caretx = Get16(p);
+			carety = Get16(p);
+			caretcx = Get16(p);
+			caretcy = Get16(p);
+			caretshown = true;
+			CaretTimer();
+		//	Log("SET CARET " + caretx + " " + carety + " " + caretcx + " " + caretcy);
+		}
 	}
+	InvertShownCaret();
+//	window.document.title = "OK";
 	if(SendingEnabled && event_queue.length)
-		ScheduleSend();		
+		ScheduleSend();
 }
 
+function SImage(p, sx, sy)
+{
+	var px = posx + sx * Get8(p);
+	var py = posy + sy * Get8(p);
+	var n = Get16(p);
+	// Log("Draw opt image: " + px + " " + py + " " + n);
+	var img = window.img_cache[n];
+	if(img == undefined)
+		alert("Undefined image: " + n);
+	HideCaret(px, py, img.width, img.height);
+	ctx.drawImage(window.img_cache[n], px, py);
+	posx = px;
+	posy = py;
+}
+
+function SRect(p, sx, sy)
+{
+	var px = posx + sx * Get8(p);
+	var py = posy + sy * Get8(p);
+	var cx = Get8(p);
+	var cy = Get8(p);
+	var r = Get8(p);
+	var g = Get8(p);
+	var b = Get8(p);
+	// Log("rect: " + x + ", " + y + ", " + cx + ", " + cy);
+	var c = "rgb(" + r + "," + g + "," + b + ")";
+	ctx.fillStyle = c;
+	// Log("color: " + c);
+	HideCaret(x, y, cx, cy);
+	ctx.fillRect(x, y, cx, cy);
+	posx = px;
+	posy = py;
+}
+
+
 window.img_cache = {};
 window.event_queue = "I\n";
 window.cursor_cache = {};
+window.update_serial_l = 0;
+window.update_serial_h = 0;
 
 var canvas = document.getElementById("myCanvas");
 
@@ -302,9 +457,10 @@ function ScheduleSend()
 function SendEvents()
 {
 	if(SendingEnabled) {
-		if(event_queue.length)
-			Log("Sending " + event_queue);
-		ws.send(event_queue);
+		if(event_queue.length) {
+			Log(event_queue);
+			ws.send(event_queue);
+		}
 		event_queue = "";
 		if(timerID != undefined)
 			clearTimeout(timerID);
@@ -320,7 +476,7 @@ ws.onopen = function()
 
 ws.onmessage = function(event) 
 {
-	Log("onmessage");
+//	Log("onmessage");
 	if(event.data instanceof ArrayBuffer) {
 		var inflate = new Zlib.Inflate(new Uint8Array(event.data));
 		ProcessDraw(inflate.decompress());
@@ -329,6 +485,7 @@ ws.onmessage = function(event)
 
 ws.onclose = function(ev)
 {
+	ClearCaretTimer();
     alert("Connection closed.");
 };
 
diff --git a/rainbow/Turtle/Turtle.upp b/rainbow/Turtle/Turtle.upp
index 5270392d4..807db5992 100644
--- a/rainbow/Turtle/Turtle.upp
+++ b/rainbow/Turtle/Turtle.upp
@@ -19,6 +19,7 @@ file
 	Cursor.cpp,
 	Stream.cpp,
 	Server.cpp,
+	Output.cpp,
 	Event.cpp,
 	Top.h,
 	TopFrame.cpp,
diff --git a/rainbow/Turtle/Wnd.cpp b/rainbow/Turtle/Wnd.cpp
index 384a86b1d..0dc89cad5 100644
--- a/rainbow/Turtle/Wnd.cpp
+++ b/rainbow/Turtle/Wnd.cpp
@@ -12,31 +12,32 @@ NAMESPACE_UPP
 Ptr<Ctrl>      Ctrl::desktop;
 Vector<Ctrl *> Ctrl::topctrl;
 
-bool           Ctrl::invalid;
-
-bool           Ctrl::sdlMouseIsIn;
-
 Point          Ctrl::fbCursorPos = Null;
 Image          Ctrl::fbCursorImage;
 Rect           Ctrl::fbCaretRect;
 int            Ctrl::fbCaretTm;
 bool           Ctrl::fbEndSession;
 
-bool           Ctrl::SystemCursor;
+Vector<Rect>   Ctrl::invalid;
+
+void Ctrl::InvalidateDesktop()
+{
+	AddInvalid(desktop->GetSize());
+}
 
 void Ctrl::SetDesktop(Ctrl& q)
 {
 	desktop = &q;
 	desktop->SetOpen(true);
 	desktop->NewTop();
-	invalid = true;
+	InvalidateDesktop();
 }
 
 void Ctrl::SetDesktopSize(Size sz)
 {
 	if(desktop)
 		desktop->SetRect(sz);
-	invalid = true;
+	InvalidateDesktop();
 	SyncTopWindows();
 }
 
@@ -164,11 +165,11 @@ Rect Ctrl::GetClipBound(const Vector<Rect>& inv, const Rect& r)
 	return ri;
 }
 
-void Ctrl::WndUpdate(const Rect&)
+void Ctrl::WndUpdate(const Rect& r)
 {
 	GuiLock __;
-	Invalidate();
-	DoPaint();
+//	WndInvalidateRect(r);
+//	DoPaint(); // TODO
 }
 
 Rect Ctrl::GetWndScreenRect() const
@@ -255,7 +256,7 @@ void Ctrl::DestroyWnd()
 			topctrl[i]->WndDestroy();
 	int q = FindTopCtrl();
 	if(q >= 0) {
-		Invalidate();
+		AddInvalid();
 		topctrl.Remove(q);
 	}
 	if(top) {
@@ -279,7 +280,7 @@ void Ctrl::PutForeground()
 {
 	int q = FindTopCtrl();
 	if(q >= 0) {
-		Invalidate();
+		AddInvalid();
 		topctrl.Remove(q);
 		topctrl.Add(this);
 	}
@@ -355,10 +356,21 @@ bool Ctrl::HasWndCapture() const
 	return captureCtrl && captureCtrl->GetTopCtrl() == this;
 }
 
-void Ctrl::WndInvalidateRect(const Rect&)
+void Ctrl::AddInvalid(const Rect& r_)
+{
+	Rect r = r_ & Rect(DesktopSize);
+	if(!IsNull(r))
+		AddRefreshRect(invalid, r);
+}
+
+void Ctrl::WndInvalidateRect(const Rect& r)
 {
 	GuiLock __;
-	Invalidate();
+	int q = FindTopCtrl();
+	if(q >= 0)
+		AddInvalid(r + topctrl[q]->GetRect().TopLeft());
+	else
+		AddInvalid(r);
 }
 
 void Ctrl::WndSetPos(const Rect& rect)
@@ -367,14 +379,15 @@ void Ctrl::WndSetPos(const Rect& rect)
 	TopWindow *w = dynamic_cast<TopWindow *>(this);
 	if(w)
 		w->SyncFrameRect(rect);
-	Invalidate();
+	AddInvalid();
 	SetWndRect(rect);
+	AddInvalid(rect);
 }
 
 void  Ctrl::WndScrollView(const Rect& r, int dx, int dy)
 {
 	GuiLock __;
-	LLOG("ScrollView " << rect);
+	LLOG("ScrollView " << r << ", size " << GetSize());
 	WndInvalidateRect(r);
 }
 
@@ -396,7 +409,7 @@ void Ctrl::PopUp(Ctrl *owner, bool savebits, bool activate, bool dropshadow, boo
 	popup = isopen = true;
 	RefreshLayoutDeep();
 	if(activate) SetFocusWnd();
-	Invalidate();
+	AddInvalid();
 }
 
 Rect Ctrl::GetDefaultWindowRect() {
diff --git a/rainbow/WebWord/WebWord.cpp b/rainbow/WebWord/WebWord.cpp
index aab55712c..6c77a7346 100644
--- a/rainbow/WebWord/WebWord.cpp
+++ b/rainbow/WebWord/WebWord.cpp
@@ -1,7 +1,4 @@
-#include <RichEdit/RichEdit.h>
-#include <PdfDraw/PdfDraw.h>
-
-using namespace Upp;
+#include "WebWord.h"
 
 #define IMAGECLASS UWordImg
 #define IMAGEFILE  <UWord/UWord.iml>
@@ -19,46 +16,6 @@ FileSel& PdfFs()
 	return fs;
 }
 
-struct UWord : public TopWindow {
-public:
-	virtual void DragAndDrop(Point, PasteClip& d);
-	virtual void FrameDragAndDrop(Point, PasteClip& d);
-	
-	virtual void ShutdownWindow();
-
-	RichEdit   editor;
-	MenuBar    menubar;
-	ToolBar    toolbar;
-	StatusBar  statusbar;
-	String     filename;
-
-	static LRUList& lrufile() { static LRUList l; return l; }
-
-	void Load(const String& filename);
-	void OpenFile(const String& fn);
-	void New();
-	void Open();
-	void Save0();
-	void Save();
-	void SaveAs();
-	void Print();
-	void Pdf();
-	void About();
-	void Destroy(bool shutdown);
-	void SetBar();
-	void FileBar(Bar& bar);
-	void AboutMenu(Bar& bar);
-	void MainMenu(Bar& bar);
-	void MainBar(Bar& bar);
-
-public:
-	typedef UWord CLASSNAME;
-
-	static void SerializeApp(Stream& s);
-
-	UWord();
-};
-
 void UWord::FileBar(Bar& bar)
 {
 /*
@@ -94,6 +51,36 @@ void UWord::AboutMenu(Bar& bar)
 	bar.Add("About..", THISBACK(About));
 }
 
+String FormatSize(int64 n)
+{
+	if(n < 10000)
+		return Format("%d B", n);
+	else
+	if(n < 10000 * 1024)
+		return Format("%d.%d KB", n >> 10, (n & 1023) / 103);
+	else
+	if(n < I64(10000000) * 1024)
+		return Format("%d.%d MB", n >> 20, (n & 1023) / 103);
+	else
+		return Format("%d.%d GB", n >> 30, (n & 1023) / 103);
+}
+
+
+void UWord::ShowInfo()
+{
+	String s;
+	s << "Mem " << MemoryUsedKb() << " KB";
+	int secs = GetSysTime() - Ctrl::stat_started;
+	Time tm = Time(1, 1, 1, 0, 0, 0) + secs;
+	s << ", uptime " << Format("%d:%0d:%02d:%02d", tm - Date(1, 1, 1), tm.hour, tm.minute, tm.second);
+	s << ", data sent " << FormatSize(Ctrl::stat_data_send);
+	if(secs)
+		s << ", average bandwidth " << FormatSize(Ctrl::stat_data_send / secs) << "/s";
+	s << ", actual bandwidth " << FormatSize(Ctrl::stat_data_send - sent_prev);
+	sent_prev = Ctrl::stat_data_send;
+	statusbar.Set(s);
+}
+
 void UWord::MainMenu(Bar& bar)
 {
 //	bar.Add("File", THISBACK(FileBar));
@@ -248,6 +235,9 @@ UWord::UWord()
 	editor.WhenRefreshBar = THISBACK(SetBar);
 	OpenMain();
 	ActiveFocus(editor);
+
+	SetTimeCallback(-1000, THISBACK(ShowInfo));
+	sent_prev = 0;
 }
 
 void UWord::SerializeApp(Stream& s)
@@ -294,7 +284,7 @@ struct EventsWnd : TopWindow {
 
 	EventsWnd() {
 		Add(l.SizePos());
-		SetTimeCallback(-100, THISBACK(Do));
+		SetTimeCallback(-1000, THISBACK(Do));
 	}
 };
 
@@ -311,7 +301,8 @@ CONSOLE_APP_MAIN
 	LOG("Session Started");
 
 #ifdef _DEBUG
-	MemoryLimitKb(10000);
+	MemoryLimitKb(5000000);
+	Ctrl::debugmode = true;
 #endif
 
 	Ctrl::WhenDisconnect = callback(FinishApp);
@@ -324,6 +315,8 @@ CONSOLE_APP_MAIN
 	{
 		SetLanguage(LNG_ENGLISH);
 		SetDefaultCharset(CHARSET_UTF8);
+		
+		PromptOK("Session started");
 	
 		UWordFs().Type("QTF files", "*.qtf")
 		         .AllFilesType()
diff --git a/rainbow/WebWord/WebWord.h b/rainbow/WebWord/WebWord.h
new file mode 100644
index 000000000..66d5c3e25
--- /dev/null
+++ b/rainbow/WebWord/WebWord.h
@@ -0,0 +1,53 @@
+#ifndef _WebWord_WebWord_h_
+#define _WebWord_WebWord_h_
+
+#include <RichEdit/RichEdit.h>
+#include <PdfDraw/PdfDraw.h>
+
+using namespace Upp;
+
+struct UWord : public TopWindow {
+public:
+	virtual void DragAndDrop(Point, PasteClip& d);
+	virtual void FrameDragAndDrop(Point, PasteClip& d);
+	
+	virtual void ShutdownWindow();
+
+	RichEdit   editor;
+	MenuBar    menubar;
+	ToolBar    toolbar;
+	StatusBar  statusbar;
+	String     filename;
+	
+	int64      sent_prev;
+
+	static LRUList& lrufile() { static LRUList l; return l; }
+
+	void Load(const String& filename);
+	void OpenFile(const String& fn);
+	void New();
+	void Open();
+	void Save0();
+	void Save();
+	void SaveAs();
+	void Print();
+	void Pdf();
+	void About();
+	void Destroy(bool shutdown);
+	void SetBar();
+	void FileBar(Bar& bar);
+	void AboutMenu(Bar& bar);
+	void MainMenu(Bar& bar);
+	void MainBar(Bar& bar);
+	
+	void ShowInfo();
+
+public:
+	typedef UWord CLASSNAME;
+
+	static void SerializeApp(Stream& s);
+
+	UWord();
+};
+
+#endif
diff --git a/rainbow/WebWord/WebWord.upp b/rainbow/WebWord/WebWord.upp
index f29bfdce3..ad6ad68e7 100644
--- a/rainbow/WebWord/WebWord.upp
+++ b/rainbow/WebWord/WebWord.upp
@@ -7,6 +7,7 @@ uses
 
 file
 	test.qtf,
+	WebWord.h,
 	WebWord.cpp;
 
 mainconfig
diff --git a/rainbow/guiplatform.h b/rainbow/guiplatform.h
index f36d0e43a..de15bf1f5 100644
--- a/rainbow/guiplatform.h
+++ b/rainbow/guiplatform.h
@@ -57,4 +57,5 @@
 #define GUIPLATFORM_KEYCODES_INCLUDE <Turtle/Keys.h>
 //need to make SDL_keysym.h known before K_ enum
 #define GUIPLATFORM_INCLUDE          <Turtle/Turtle.h>
+#define GUIPLATFORM_NOSCROLL
 #endif