//------------------------------------------------------------------------------
//	Copyright (c) 2001-2002, OpenBeOS
//
//	Permission is hereby granted, free of charge, to any person obtaining a
//	copy of this software and associated documentation files (the "Software"),
//	to deal in the Software without restriction, including without limitation
//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
//	and/or sell copies of the Software, and to permit persons to whom the
//	Software is furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
//	all copies or substantial portions of the Software.
//
//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//	DEALINGS IN THE SOFTWARE.
//
//	File Name:		ServerWindow.cpp
//	Author:			DarkWyrm <bpmagic@columbus.rr.com>
//	Description:	Shadow BWindow class
//  
//------------------------------------------------------------------------------
#include <AppDefs.h>
#include <Rect.h>
#include <string.h>
#include <stdio.h>
#include <View.h>	// for B_XXXXX_MOUSE_BUTTON defines
#include <Message.h>
#include <GraphicsDefs.h>
#include <PortLink.h>
#include <Session.h>
#include "AppServer.h"
#include "Layer.h"
#include "RootLayer.h"
#include "ServerWindow.h"
#include "ServerApp.h"
#include "ServerProtocol.h"
#include "WinBorder.h"
#include "Desktop.h"
#include "TokenHandler.h"
#include "Utils.h"
#include "DisplayDriver.h"
#include "ServerPicture.h"
#include "CursorManager.h"
#include "Workspace.h"

#define DEBUG_SERVERWINDOW
//#define DEBUG_SERVERWINDOW_MOUSE
//#define DEBUG_SERVERWINDOW_KEYBOARD


#ifdef DEBUG_SERVERWINDOW
#	include <stdio.h>
#	define STRACE(x) printf x
#else
#	define STRACE(x) ;
#endif

#ifdef DEBUG_SERVERWINDOW_KEYBOARD
#	include <stdio.h>
#	define STRACE_KEY(x) printf x
#else
#	define STRACE_KEY(x) ;
#endif

#ifdef DEBUG_SERVERWINDOW_MOUSE
#	include <stdio.h>
#	define STRACE_MOUSE(x) printf x
#else
#	define STRACE_MOUSE(x) ;
#endif

//! TokenHandler object used to provide IDs for all windows in the system
TokenHandler win_token_handler;

//! Active winborder - used for tracking windows during moves, resizes, and tab slides
WinBorder *active_winborder=NULL;

template<class Type> Type
read_from_buffer(int8 **_buffer)
{
	Type *typedBuffer = (Type *)(*_buffer);
	Type value = *typedBuffer;

	typedBuffer++;
	*_buffer = (int8 *)(typedBuffer);

	return value;
}

static int8 *read_pattern_from_buffer(int8 **_buffer)
{
	int8 *pattern = *_buffer;

	*_buffer += AS_PATTERN_SIZE;

	return pattern;
}

template<class Type> void
write_to_buffer(int8 **_buffer, Type value)
{
	Type *typedBuffer = (Type *)(*_buffer);

	*typedBuffer = value;
	typedBuffer++;

	*_buffer = (int8 *)(typedBuffer);
}

/*!
	\brief Contructor
	
	Does a lot of stuff to set up for the window - new decorator, new winborder, spawn a 
	monitor thread.
*/
ServerWindow::ServerWindow(BRect rect, const char *string, uint32 wlook,
	uint32 wfeel, uint32 wflags, ServerApp *winapp,  port_id winport,
	port_id looperPort, port_id replyport, uint32 index, int32 handlerID)
{
	STRACE(("ServerWindow(%s)::ServerWindow()\n",string? string: "NULL"));
	_app			= winapp;
	_title			= new BString;
	if(string)
		_title->SetTo(string);
	_frame			= rect;
	_flags			= wflags;
	_look			= wlook;
	_feel			= wfeel;
	_handlertoken	= handlerID;
	winLooperPort	= looperPort;
	fWorkspaces		= index;
	fClientTeamID	= winapp->ClientTeamID();
	_workspace		= NULL;
	_token			= win_token_handler.GetToken();

	
	// _sender is the port to which the app awaits messages from the server
	_sender			= winport;
	// _receiver is the port to which the app sends messages for the server
	_receiver		= create_port(30,_title->String());

	ses				= new BSession(_receiver, _sender);
	
	// Send a reply to our window - it is expecting _receiver port.
	
	// Temporarily use winlink to save time and memory
	_winlink=new PortLink(replyport);

	_winlink->SetOpCode(AS_CREATE_WINDOW);
	_winlink->Attach<port_id>(_receiver);
	_winlink->Flush();

	_winlink->SetPort(winport);

	// Wait for top_view data and create ServerWindow's top most Layer
	int32			vToken;
	BRect			vFrame;
	uint32			vResizeMode;
	uint32			vFlags;
	char*			vName = NULL;
	
	PortMessage pmsg;
	pmsg.ReadFromPort(_receiver);
	if(pmsg.Code() != AS_LAYER_CREATE_ROOT)
		debugger("SERVER ERROR: ServerWindow(xxx): NO top_view data received!\n");

	pmsg.Read<int32>(&vToken);
	pmsg.Read<BRect>(&vFrame);
	pmsg.Read<uint32>(&vResizeMode);
	pmsg.Read<uint32>(&vFlags);
	pmsg.ReadString(&vName);

	top_layer		= new Layer(vFrame, vName, vToken, vResizeMode, vFlags, this);
	delete vName;

	cl = top_layer;
			
	// Create a WindoBorder object for our ServerWindow.
	_winborder		= new WinBorder(_frame,_title->String(),wlook,wfeel,wflags,this);

	// NOTE: this MUST be before the monitor thread is spawned!
	desktop->AddWinBorder(_winborder);

	// Spawn our message-monitoring _monitorthread
	_monitorthread	= spawn_thread(MonitorWin, _title->String(), B_NORMAL_PRIORITY, this);
	if(_monitorthread != B_NO_MORE_THREADS && _monitorthread != B_NO_MEMORY)
		resume_thread(_monitorthread);

	STRACE(("ServerWindow %s:\n",_title->String()));
	STRACE(("\tFrame (%.1f,%.1f,%.1f,%.1f)\n",rect.left,rect.top,rect.right,rect.bottom));
	STRACE(("\tPort: %ld\n",_receiver));
	STRACE(("\tWorkspace: %ld\n",index));
}

//!Tears down all connections with the user application, kills the monitoring thread.
ServerWindow::~ServerWindow(void)
{
STRACE(("*ServerWindow %s:~ServerWindow()\n",_title->String()));

	desktop->fGeneralLock.Lock();

	desktop->RemoveWinBorder(_winborder);
printf("SW(%s) Successfuly removed from the desktop\n", _title->String());
	if(ses){
		delete ses;
		ses = NULL;
	}
	if (_winlink){
		delete _winlink;
		_winlink = NULL;
	}
	if (_winborder){
		delete _winborder;
		_winborder = NULL;
	}
	cl		= NULL;
	if (top_layer)
		delete top_layer;

	desktop->fGeneralLock.Unlock();
printf("#ServerWindow(%s) will exit NOW!!!\n", _title->String());
	delete _title;
}

/*!
	\brief Requests an update of the specified rectangle
	\param rect The area to update, in the parent's coordinates
	
	This could be considered equivalent to BView::Invalidate()
*/
void ServerWindow::RequestDraw(BRect rect)
{
STRACE(("ServerWindow %s: Request Draw\n",_title->String()));
	BMessage		msg;
	
	msg.what		= _UPDATE_;
	msg.AddRect("_rect", rect);
	
	SendMessageToClient(&msg);
}

//! Requests an update for the entire window
void ServerWindow::RequestDraw(void)
{
	RequestDraw(_frame);
}

//! Forces the window border to update its decorator
void ServerWindow::ReplaceDecorator(void)
{
STRACE(("ServerWindow %s: Replace Decorator\n",_title->String()));
	_winborder->UpdateDecorator();
}

//! Requests that the ServerWindow's BWindow quit
void ServerWindow::Quit(void)
{
STRACE(("ServerWindow %s: Quit\n",_title->String()));
	BMessage		msg;
	
	msg.what		= B_QUIT_REQUESTED;
	
	SendMessageToClient(&msg);
}

/*!
	\brief Gets the title for the window
	\return The title for the window
*/
const char *ServerWindow::GetTitle(void)
{
	return _title->String();
}

/*!
	\brief Gets the window's ServerApp
	\return The ServerApp for the window
*/
ServerApp *ServerWindow::GetApp(void)
{
	return _app;
}

//! Shows the window's WinBorder
void ServerWindow::Show(void)
{
	if(!_winborder->IsHidden())
		return;

STRACE(("ServerWindow %s: Show\n",_title->String()));
	if(_winborder)
	{
		RootLayer	*rl = _winborder->GetRootLayer();
		int32		wksCount;

		desktop->fGeneralLock.Lock();
printf("ServerWindow(%s)::Show() - General lock acquired\n", _winborder->GetName());
		rl->fMainLock.Lock();
printf("ServerWindow(%s)::Show() - Main lock acquired\n", _winborder->GetName());

		_winborder->Show();
		
		if ((_feel == B_FLOATING_SUBSET_WINDOW_FEEL || _feel == B_MODAL_SUBSET_WINDOW_FEEL)
			 && _winborder->MainWinBorder() == NULL)
		{
			// This window hasn't been added to a normal window subset,
			//	so don't call placement or redrawing methods!
			goto goOut;
		}

		wksCount	= rl->WorkspaceCount();
		for(int32 i = 0; i < wksCount; i++){
			if (fWorkspaces & (0x00000001UL << i)){
				Workspace		*ws = rl->WorkspaceAt(i+1);
				ws->SearchAndSetNewFront(_winborder);
				ws->SetFocusLayer(_winborder);
			}
		}

		goOut:

		rl->fMainLock.Unlock();
printf("ServerWindow(%s)::Show() - Main lock released\n", _winborder->GetName());
		desktop->fGeneralLock.Unlock();
printf("ServerWindow(%s)::Show() - General lock released\n", _winborder->GetName());
	}
}

//! Hides the window's WinBorder
void ServerWindow::Hide(void)
{
	if(_winborder->IsHidden())
		return;

STRACE(("ServerWindow %s: Hide\n",_title->String()));
	if(_winborder){
		RootLayer	*rl		= _winborder->GetRootLayer();
		Workspace	*ws		= NULL;

		desktop->fGeneralLock.Lock();
printf("ServerWindow(%s)::Hide() - General lock acquired\n", _winborder->GetName());
		rl->fMainLock.Lock();
printf("ServerWindow(%s)::Hide() - Main lock acquired\n", _winborder->GetName());

		_winborder->Hide();

		int32		wksCount= rl->WorkspaceCount();
		for(int32 i = 0; i < wksCount; i++){
			ws		= rl->WorkspaceAt(i+1);
			if ( ws->FrontLayer() == _winborder){
				if(ws->FocusLayer() == _winborder){
						// do not redraw! just set the new front.
					ws->SearchAndSetNewFront(_winborder);
						// redraw also
					ws->SetFocusLayer(_winborder);
				}
				else{
						// redraw also
					ws->SetFrontLayer(_winborder);
				}
			}
		}
		rl->fMainLock.Unlock();
printf("ServerWindow(%s)::Hide() - Main lock released\n", _winborder->GetName());
		desktop->fGeneralLock.Unlock();
printf("ServerWindow(%s)::Hide() - General lock released\n", _winborder->GetName());
	}
}

/*
	\brief Determines whether the window is hidden or not
	\return true if hidden, false if not
*/
bool ServerWindow::IsHidden(void)
{
	if(_winborder)
		return _winborder->IsHidden();
	return true;
}

void ServerWindow::Minimize(bool status){
	bool		sendMessages = false;

	if (status){
		if (!IsHidden()){
			Hide();
			sendMessages	= true;
		}
	}
	else{
		if (IsHidden()){
			Show();
			sendMessages	= true;
		}
	}
	
	if (sendMessages){
		BMessage		msg;
		msg.what		= B_MINIMIZE;
		msg.AddInt64("when", real_time_clock_usecs());
		msg.AddBool("minimize", status);

		SendMessageToClient(&msg);
		
// TODO: notify tracker! how???
	}
}

void ServerWindow::Zoom(){
// TODO: implement;
}

/*!
	\brief Handles focus and redrawing when changing focus states
	
	The ServerWindow is set to (in)active and its decorator is redrawn based on its active status
*/
void ServerWindow::SetFocus(bool value)
{
STRACE(("ServerWindow %s: Set Focus to %s\n",_title->String(),value?"true":"false"));
	if(_active!=value)
	{
		_active=value;
		_winborder->SetFocus(value);
//		_winborder->RequestDraw();
	}
}

/*!
	\brief Determines whether or not the window is active
	\return true if active, false if not
*/
bool ServerWindow::HasFocus(void)
{
	return _active;
}

/*!
	\brief Notifies window of workspace (de)activation
	\param workspace Index of the workspace changed
	\param active New active status of the workspace
*/
void ServerWindow::WorkspaceActivated(int32 workspace, bool active)
{
STRACE(("ServerWindow %s: WorkspaceActivated(%ld,%s)\n",_title->String(),workspace,(active)?"active":"inactive"));
	BMessage		msg;
	
	msg.what		= B_WORKSPACE_ACTIVATED;
	msg.AddInt32("workspace", workspace);
	msg.AddBool("active", active);
	
	SendMessageToClient(&msg);
}

/*!
	\brief Notifies window of a workspace switch
	\param oldone index of the previous workspace
	\param newone index of the new workspace
*/
void ServerWindow::WorkspacesChanged(int32 oldone,int32 newone)
{
STRACE(("ServerWindow %s: WorkspacesChanged(%ld,%ld)\n",_title->String(),oldone,newone));
	BMessage		msg;
	
	msg.what		= B_WORKSPACES_CHANGED;
	msg.AddInt32("old", oldone);
	msg.AddInt32("new", newone);
	
	SendMessageToClient(&msg);
}

/*!
	\brief Notifies window of a change in focus
	\param active New active status of the window
*/
void ServerWindow::WindowActivated(bool active)
{
STRACE(("ServerWindow %s: WindowActivated(%s)\n",_title->String(),(active)?"active":"inactive"));
	BMessage		msg;
	
	msg.what		= B_WINDOW_ACTIVATED;
	msg.AddBool("active", active);
	
	SendMessageToClient(&msg);
}

/*!
	\brief Notifies window of a change in screen resolution
	\param frame Size of the new resolution
	\param color_space Color space of the new screen mode
*/
void ServerWindow::ScreenModeChanged(const BRect frame, const color_space cspace)
{
STRACE(("ServerWindow %s: ScreenModeChanged\n",_title->String()));
	BMessage		msg;
	
	msg.what		= B_SCREEN_CHANGED;
	msg.AddRect("frame", frame);
	msg.AddInt32("mode", (int32)cspace);
	
	SendMessageToClient(&msg);
}

/*
	\brief Sets the frame size of the window
	\rect New window size
*/
void ServerWindow::SetFrame(const BRect &rect)
{
STRACE(("ServerWindow %s: Set Frame to (%.1f,%.1f,%.1f,%.1f)\n",_title->String(),
			rect.left,rect.top,rect.right,rect.bottom));
	_frame=rect;
}

/*!
	\brief Returns the frame of the window in screen coordinates
	\return The frame of the window in screen coordinates
*/
BRect ServerWindow::Frame(void)
{
	return _frame;
}

/*!
	\brief Locks the window
	\return B_OK if everything is ok, B_ERROR if something went wrong
*/
status_t ServerWindow::Lock(void)
{
STRACE(("ServerWindow %s: Lock\n",_title->String()));
	return (_locker.Lock())?B_OK:B_ERROR;
}

//! Unlocks the window
void ServerWindow::Unlock(void)
{
STRACE(("ServerWindow %s: Unlock\n",_title->String()));
	_locker.Unlock();
}

/*!
	\brief Determines whether or not the window is locked
	\return True if locked, false if not.
*/
bool ServerWindow::IsLocked(void)
{
	return _locker.IsLocked();
}

void ServerWindow::DispatchMessage(int32 code)
{
	PortMessage msg;
	switch(code)
	{
		//--------- BView Messages -----------------
		case AS_SET_CURRENT_LAYER:
		{
			int32 token;
			
			msg.Read<int32>(&token);
			
			Layer *current = FindLayer(top_layer, token);
			if (current)
				cl		= current;
			else // hope this NEVER happens! :-)
				debugger("Server PANIC: window cannot find Layer with ID\n");

			STRACE(("ServerWindow %s: Message AS_SET_CURRENT_LAYER: Layer name: %s\n", _title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_CREATE:
		{
/*
TODO:	Figure out what Adi did here and convert to PortMessages

			// Received when a view is attached to a window. This will require
			// us to attach a layer in the tree in the same manner and invalidate
			// the area in which the new layer resides assuming that it is
			// visible.
			STRACE(("ServerWindow %s: AS_LAYER_CREATE...\n", _title->String()));
			Layer		*oldCL = cl;
			
			int32		token;
			BRect		frame;
			uint32		resizeMask;
			uint32		flags;
			bool		hidden;
			int32		childCount;
			char*		name;
		
			msg.Read<int32>(&token);
			msg.ReadString(&name);
			msg.Read<BRect>(&frame);
			msg.Read<int32>((int32*)&resizeMask);
			msg.Read<int32>((int32*)&flags);
			msg.Read<bool>(&hidden);
			msg.Read<int32>(&childCount);
			
				// view's visible area is invalidated here
			Layer		*newLayer;
			newLayer	= new Layer(frame, name, token, resizeMask, flags, this);
				// there is no way of setting this, other than manual. :-)
			newLayer->_hidden	= hidden;
			
				// we set Layer's attributes (BView's state)
			cl			= newLayer;
			
			int32 msgCode;
			msg.Read<int32>(&msgCode);		// this is AS_LAYER_SET_FONT_STATE
			DispatchMessage(msgCode);

			msg.Read<int32>(&msgCode);		// this is AS_LAYER_SET_STATE
			DispatchMessage(msgCode);

				// attach the view to the tree structure.
			oldCL->AddChild(newLayer);
			
				// attach its children.
			for(int i = 0; i < childCount; i++){
				msg.Read<int32>(&msgCode);		// this is AS_LAYER_CREATE
				DispatchMessage(msgCode);
			}
			
			cl			= oldCL;
			
			STRACE(("DONE: ServerWindow %s: Message AS_CREATE_LAYER: Parent: %s, Child: %s\n", _title->String(), cl->_name->String(), name));
*/
			break;
		}
		case AS_LAYER_DELETE:
		{
			// Received when a view is detached from a window. This is definitely
			// the less taxing operation - we call PruneTree() on the removed
			// layer, detach the layer itself, delete it, and invalidate the
			// area assuming that the view was visible when removed
			STRACE(("SW %s: AS_LAYER_DELETE(self)...\n", _title->String()));			
			Layer		*parent;
			parent		= cl->_parent;
			
				// here we remove current layer from list.
			cl->RemoveSelf();
			// TODO: invalidate the region occupied by this view.
			//			Should be done in Layer::RemoveChild() though!
			cl->PruneTree();

			parent->PrintTree();
			STRACE(("DONE: ServerWindow %s: Message AS_DELETE_LAYER: Parent: %s Layer: %s\n", _title->String(), parent->_name->String(), cl->_name->String()));

			delete cl;

			cl 			= parent;
			break;
		}
		case AS_LAYER_SET_STATE:
		{
			rgb_color		highColor,
							lowColor,
							viewColor;
			pattern			patt;
			int32			clippRegRects;

			msg.Read<BPoint>(&(cl->_layerdata->penlocation));
			msg.Read<float>(&(cl->_layerdata->pensize));
			msg.Read<rgb_color>(&highColor);
			msg.Read<rgb_color>(&lowColor);
			msg.Read<rgb_color>(&viewColor);
			msg.Read<pattern>(&patt);	
			msg.Read<int8>((int8*)&(cl->_layerdata->draw_mode));
			msg.Read<BPoint>(&(cl->_layerdata->coordOrigin));
			msg.Read<int8>((int8*)&(cl->_layerdata->lineJoin));
			msg.Read<int8>((int8*)&(cl->_layerdata->lineCap));
			msg.Read<float>(&(cl->_layerdata->miterLimit));
			msg.Read<int8>((int8*)&(cl->_layerdata->alphaSrcMode));
			msg.Read<int8>((int8*)&(cl->_layerdata->alphaFncMode));
			msg.Read<float>(&(cl->_layerdata->scale));
			msg.Read<bool>(&(cl->_layerdata->fontAliasing));
			msg.Read<int32>(&clippRegRects);
			
			cl->_layerdata->patt.Set(*((uint64*)&patt));
			cl->_layerdata->highcolor.SetColor(highColor);
			cl->_layerdata->lowcolor.SetColor(lowColor);
			cl->_layerdata->viewcolor.SetColor(viewColor);

			if(clippRegRects != 0){
				if(cl->_layerdata->clippReg == NULL)
					cl->_layerdata->clippReg = new BRegion();
				else
					cl->_layerdata->clippReg->MakeEmpty();

				BRect		rect;
				
				for(int32 i = 0; i < clippRegRects; i++){
					msg.Read<BRect>(&rect);
					cl->_layerdata->clippReg->Include(rect);
				}

				cl->RebuildFullRegion();
			}
			else{
				if (cl->_layerdata->clippReg){
					delete cl->_layerdata->clippReg;
					cl->_layerdata->clippReg = NULL;

					cl->RebuildFullRegion();
				}
			}

			STRACE(("ServerWindow %s: Message AS_LAYER_SET_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_FONT_STATE:
		{
			uint16			mask;

			msg.Read<uint16>(&mask);
			
			if (mask & B_FONT_FAMILY_AND_STYLE){
				uint32		fontID;
				msg.Read<int32>((int32*)&fontID);
				// TODO: implement later. Currently there is no SetFamAndStyle(uint32)
				//   in ServerFont class. DW, could you add one?
				//cl->_layerdata->font->
			}
	
			if (mask & B_FONT_SIZE){
				float		size;
				msg.Read<float>(&size);
				cl->_layerdata->font.SetSize(size);
			}

			if (mask & B_FONT_SHEAR){
				float		shear;
				msg.Read<float>(&shear);
				cl->_layerdata->font.SetShear(shear);
			}

			if (mask & B_FONT_ROTATION){
				float		rotation;
				msg.Read<float>(&rotation);
				cl->_layerdata->font.SetRotation(rotation);
			}

			if (mask & B_FONT_SPACING){
				uint8		spacing;
				msg.Read<uint8>(&spacing);	// uint8
				cl->_layerdata->font.SetSpacing(spacing);
			}

			if (mask & B_FONT_ENCODING){
				uint8		encoding;
				msg.Read<int8>((int8*)&encoding); // uint8
				cl->_layerdata->font.SetEncoding(encoding);
			}

			if (mask & B_FONT_FACE){
				uint16		face;
				msg.Read<uint16>(&face);	// uint16
				cl->_layerdata->font.SetFace(face);
			}
	
			if (mask & B_FONT_FLAGS){
				uint32		flags;
				msg.Read<uint32>(&flags); // uint32
				cl->_layerdata->font.SetFlags(flags);
			}

			STRACE(("ServerWindow %s: Message AS_LAYER_SET_FONT_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_STATE:
		{
			LayerData	*ld;
				// these 4 are here because of a compiler warning. Maybe he's right... :-)
			rgb_color	hc, lc, vc; // high, low and view colors
			uint64		patt;		// current pattern as a uint64

			ld			= cl->_layerdata; // now we write fewer characters. :-)
			hc			= ld->highcolor.GetColor32();
			lc			= ld->lowcolor.GetColor32();
			vc			= ld->viewcolor.GetColor32();
			patt		= ld->patt.GetInt64();
			
			// TODO: DW implement such a method in ServerFont class!
			_winlink->Attach<uint32>(0UL /*uint32 ld->font.GetFamAndStyle()*/);
			_winlink->Attach<float>(ld->font.Size());
			_winlink->Attach<float>(ld->font.Shear());
			_winlink->Attach<float>(ld->font.Rotation());
			_winlink->Attach<uint8>(ld->font.Spacing());
			_winlink->Attach<uint8>(ld->font.Encoding());
			_winlink->Attach<uint16>(ld->font.Face());
			_winlink->Attach<uint32>(ld->font.Flags());
			
			_winlink->Attach<BPoint>(ld->penlocation);
			_winlink->Attach<float>(ld->pensize);
			_winlink->Attach<rgb_color>(hc);
			_winlink->Attach<rgb_color>(lc);
			_winlink->Attach<rgb_color>(vc);
			// TODO: fix this to use the templatized version
			_winlink->Attach(&patt,sizeof(pattern));
			_winlink->Attach<BPoint>(ld->coordOrigin);
			_winlink->Attach<uint8>((uint8)(ld->draw_mode));
			_winlink->Attach<uint8>((uint8)(ld->lineCap));
			_winlink->Attach<uint8>((uint8)(ld->lineJoin));
			_winlink->Attach<float>(ld->miterLimit);
			_winlink->Attach<uint8>((uint8)(ld->alphaSrcMode));
			_winlink->Attach<uint8>((uint8)(ld->alphaFncMode));
			_winlink->Attach<float>(ld->scale);
			_winlink->Attach<bool>(ld->fontAliasing);
			
			int32		noOfRects = 0;
			if (ld->clippReg)
				noOfRects = ld->clippReg->CountRects();

			_winlink->Attach<int32>(noOfRects);
			
			for(int i = 0; i < noOfRects; i++){
				_winlink->Attach<BRect>(ld->clippReg->RectAt(i));
			}
			
			_winlink->Attach<float>(cl->_frame.left);
			_winlink->Attach<float>(cl->_frame.top);
			_winlink->Attach<BRect>(cl->_frame.OffsetToCopy(cl->_boundsLeftTop));
			_winlink->Flush();

			STRACE(("ServerWindow %s: Message AS_LAYER_GET_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_MOVETO:
		{
			float		x, y;
			
			msg.Read<float>(&x);
			msg.Read<float>(&y);
			
			cl->MoveBy(x, y);

			STRACE(("ServerWindow %s: Message AS_LAYER_MOVETO: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_RESIZETO:
		{
			float		newWidth, newHeight;
			
			msg.Read<float>(&newWidth);
			msg.Read<float>(&newHeight);
		/* TODO: check for minimum alowed. WinBorder should provide such
		 *	a method, based on its decorator.
		 */
			cl->ResizeBy(newWidth, newHeight);

			STRACE(("ServerWindow %s: Message AS_LAYER_RESIZETO: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_COORD:
		{
			_winlink->Attach<float>(cl->_frame.left);
			_winlink->Attach<float>(cl->_frame.top);
			_winlink->Attach<BRect>(cl->_frame.OffsetToCopy(cl->_boundsLeftTop));
			_winlink->Flush();

			STRACE(("ServerWindow %s: Message AS_LAYER_GET_COORD: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_ORIGIN:
		{
			float		x, y;
			
			msg.Read<float>(&x);
			msg.Read<float>(&y);
			
			cl->_layerdata->coordOrigin.Set(x, y);
			
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_ORIGIN: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_ORIGIN:
		{
			_winlink->Attach<BPoint>(cl->_layerdata->coordOrigin);
			_winlink->Flush();

			STRACE(("ServerWindow %s: Message AS_LAYER_GET_ORIGIN: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_RESIZE_MODE:
		{
			msg.Read<uint32>(&(cl->_resize_mode));

			STRACE(("ServerWindow %s: Message AS_LAYER_RESIZE_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_CURSOR:
		{
			int32		token;

			msg.Read<int32>(&token);
			
			cursormanager->SetCursor(token);

			STRACE(("ServerWindow %s: Message AS_LAYER_CURSOR: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_FLAGS:
		{
			msg.Read<uint32>(&(cl->_flags));
			
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_FLAGS: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_HIDE:
		{
			cl->Hide();
			
			STRACE(("ServerWindow %s: Message AS_LAYER_HIDE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SHOW:
		{
			cl->Show();
			
			STRACE(("ServerWindow %s: Message AS_LAYER_SHOW: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_LINE_MODE:
		{
			int8		lineCap, lineJoin;
/* TODO: speak with DW! Shouldn't we lock before modifying certain memebers?
 *	Because redraw code might use an updated value instead of one for witch
 *		it was called. e.g.: different lineCap or lineJoin. Strange result
 *		would appear.
 */
			msg.Read<int8>(&lineCap);
			msg.Read<int8>(&lineJoin);
			msg.Read<float>(&(cl->_layerdata->miterLimit));
			
			cl->_layerdata->lineCap		= (cap_mode)lineCap;
			cl->_layerdata->lineJoin	= (join_mode)lineJoin;
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_LINE_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_LINE_MODE:
		{
			_winlink->Attach<int8>((int8)(cl->_layerdata->lineCap));
			_winlink->Attach<int8>((int8)(cl->_layerdata->lineJoin));
			_winlink->Attach<float>(cl->_layerdata->miterLimit);
			_winlink->Flush();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_GET_LINE_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_PUSH_STATE:
		{
			LayerData		*ld = new LayerData();
			ld->prevState	= cl->_layerdata;
			cl->_layerdata	= ld;

			cl->RebuildFullRegion();
			
			STRACE(("ServerWindow %s: Message AS_LAYER_PUSH_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_POP_STATE:
		{
			if (!(cl->_layerdata->prevState)) {
				STRACE(("WARNING: SW(%s): User called BView(%s)::PopState(), but there is NO state on stack!\n", _title->String(), cl->_name->String()));
				break;
			}

			LayerData		*ld = cl->_layerdata;
			cl->_layerdata	= cl->_layerdata->prevState;
			delete ld;

			cl->RebuildFullRegion();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_POP_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_SCALE:
		{
			msg.Read<float>(&(cl->_layerdata->scale));
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_SCALE: Layer: %s\n",_title->String(), cl->_name->String()));		
			break;
		}
		case AS_LAYER_GET_SCALE:
		{
			LayerData		*ld = cl->_layerdata;
			float			scale = ld->scale;

			while((ld = ld->prevState))
				scale		*= ld->scale;
			
			_winlink->Attach<float>(scale);
			_winlink->Flush();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_SCALE: Layer: %s\n",_title->String(), cl->_name->String()));		
			break;
		}
		case AS_LAYER_SET_PEN_LOC:
		{
			float		x, y;
			
			msg.Read<float>(&x);
			msg.Read<float>(&y);
			
			cl->_layerdata->penlocation.Set(x, y);
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_PEN_LOC: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_PEN_LOC:
		{
			_winlink->Attach<BPoint>(cl->_layerdata->penlocation);
			_winlink->Flush();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_GET_PEN_LOC: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_PEN_SIZE:
		{
			msg.Read<float>(&(cl->_layerdata->pensize));
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_PEN_SIZE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_PEN_SIZE:
		{
			_winlink->Attach<float>(cl->_layerdata->pensize);
			_winlink->Flush();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_GET_PEN_SIZE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_HIGH_COLOR:
		{
			rgb_color		c;
			
			msg.Read<rgb_color>(&c);
			
			cl->_layerdata->highcolor.SetColor(c);
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_HIGH_COLOR: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_LOW_COLOR:
		{
			rgb_color		c;
			
			msg.Read<rgb_color>(&c);
			
			cl->_layerdata->lowcolor.SetColor(c);
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_LOW_COLOR: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_VIEW_COLOR:
		{
			rgb_color		c;
			
			msg.Read<rgb_color>(&c);
			
			cl->_layerdata->viewcolor.SetColor(c);
		
			STRACE(("ServerWindow %s: Message AS_LAYER_SET_VIEW_COLOR: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_COLORS:
		{
			rgb_color		highColor, lowColor, viewColor;
			
			highColor		= cl->_layerdata->highcolor.GetColor32();
			lowColor		= cl->_layerdata->lowcolor.GetColor32();
			viewColor		= cl->_layerdata->viewcolor.GetColor32();
			
			_winlink->Attach<rgb_color>(highColor);
			_winlink->Attach<rgb_color>(lowColor);
			_winlink->Attach<rgb_color>(viewColor);
			_winlink->Flush();

			STRACE(("ServerWindow %s: Message AS_LAYER_GET_COLORS: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_BLEND_MODE:
		{
			int8		srcAlpha, alphaFunc;
			
			msg.Read<int8>(&srcAlpha);
			msg.Read<int8>(&alphaFunc);
			
			cl->_layerdata->alphaSrcMode	= (source_alpha)srcAlpha;
			cl->_layerdata->alphaFncMode	= (alpha_function)alphaFunc;

			STRACE(("ServerWindow %s: Message AS_LAYER_SET_BLEND_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_BLEND_MODE:
		{
			_winlink->Attach<int8>((int8)(cl->_layerdata->alphaSrcMode));
			_winlink->Attach<int8>((int8)(cl->_layerdata->alphaFncMode));
			_winlink->Flush();

			STRACE(("ServerWindow %s: Message AS_LAYER_GET_BLEND_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_DRAW_MODE:
		{
			int8		drawingMode;
			
			msg.Read<int8>(&drawingMode);
			
			cl->_layerdata->draw_mode	= (drawing_mode)drawingMode;

			STRACE(("ServerWindow %s: Message AS_LAYER_SET_DRAW_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_DRAW_MODE:
		{
			_winlink->Attach<int8>((int8)(cl->_layerdata->draw_mode));
			_winlink->Flush();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_GET_DRAW_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_PRINT_ALIASING:
		{
			msg.Read<bool>(&(cl->_layerdata->fontAliasing));
		
			STRACE(("ServerWindow %s: Message AS_LAYER_PRINT_ALIASING: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_CLIP_TO_PICTURE:
		{
// TODO: watch out for the coordinate system
			int32		pictureToken;
			BPoint		where;
			
			msg.Read<int32>(&pictureToken);
			msg.Read<BPoint>(&where);

		
			BRegion			reg;
			bool			redraw = false;

				// if we had a picture to clip to, include the FULL visible region(if any) in the area to be redrawn
				// in other words: invalidate what ever is visible for this layer and his children.
			if (cl->clipToPicture && cl->_fullVisible.CountRects() > 0){
				reg.Include(&cl->_fullVisible);
				redraw		= true;
			}

				// search for a picture with the specified token.
			ServerPicture	*sp = NULL;
			int32			i = 0;
			for(;;){
				sp		= static_cast<ServerPicture*>(cl->_serverwin->_app->_piclist->ItemAt(i++));
				if (!sp)
					break;
					
				if(sp->GetToken() == pictureToken){
//					cl->clipToPicture	= sp;
// TODO: increase that picture's reference count.(~ allocate a picture)
					break;
				}
			}
				// avoid compiler warning
			i = 0;

				// we have a new picture to clip to, so rebuild our full region
			if(cl->clipToPicture) {

				cl->clipToPictureInverse	= false;

				cl->RebuildFullRegion();
			}

				// we need to rebuild the visible region, we may have a valid one.
			if (cl->_parent && !(cl->_hidden)){
				cl->_parent->RebuildChildRegions(cl->_full.Frame(), cl);
			}
			else{
					// will this happen? Maybe...
				cl->RebuildRegions(cl->_full.Frame());
			}

				// include our full visible region in the region to be redrawn
			if (!(cl->_hidden) && (cl->_fullVisible.CountRects() > 0)){
				reg.Include(&(cl->_fullVisible));
				redraw		= true;
			}

				// redraw if: we had OR if we NOW have a picture to clip to.
			if (redraw){
				cl->Invalidate(reg);
			}

			STRACE(("ServerWindow %s: Message AS_LAYER_CLIP_TO_PICTURE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_CLIP_TO_INVERSE_PICTURE:
		{
// TODO: watch out for the coordinate system
			int32		pictureToken;
			BPoint		where;
			
			msg.Read<int32>(&pictureToken);
			msg.Read<BPoint>(&where);

			ServerPicture	*sp = NULL;
			int32			i = 0;

			for(;;){
				sp		= static_cast<ServerPicture*>(cl->_serverwin->_app->_piclist->ItemAt(i++));
				if (!sp)
					break;
					
				if(sp->GetToken() == pictureToken){
//					cl->clipToPicture	= sp;
// TODO: increase that picture's reference count.(~ allocate a picture)
					break;
				}
			}
				// avoid compiler warning
			i = 0;
			
				// if a picture has been found...
			if(cl->clipToPicture) {

				cl->clipToPictureInverse	= true;

				cl->RebuildFullRegion();

				cl->RequestDraw(cl->clipToPicture->Frame());
			}

			STRACE(("ServerWindow %s: Message AS_LAYER_CLIP_TO_INVERSE_PICTURE: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_GET_CLIP_REGION:
		{
// TODO: watch out for the coordinate system
			BRegion		reg;
			LayerData	*ld;
			int32		noOfRects;

			ld			= cl->_layerdata;
			reg			= cl->ConvertFromParent(&(cl->_visible));

			if(ld->clippReg)
				reg.IntersectWith(ld->clippReg);

			while((ld = ld->prevState))
				if(ld->clippReg)
					reg.IntersectWith(ld->clippReg);

			noOfRects	= reg.CountRects();
			_winlink->Attach<int32>(noOfRects);

			for(int i = 0; i < noOfRects; i++){
				_winlink->Attach<BRect>(reg.RectAt(i));
			}

			_winlink->Flush();
		
			STRACE(("ServerWindow %s: Message AS_LAYER_GET_CLIP_REGION: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_SET_CLIP_REGION:
		{
// TODO: watch out for the coordinate system
			int32		noOfRects;
			BRect		r;

			if(cl->_layerdata->clippReg)
				cl->_layerdata->clippReg->MakeEmpty();
			else
				cl->_layerdata->clippReg = new BRegion();
			
			msg.Read<int32>(&noOfRects);
			
			for(int i = 0; i < noOfRects; i++){
				msg.Read<BRect>(&r);
				cl->_layerdata->clippReg->Include(r);
			}

			cl->RebuildFullRegion();

			cl->RequestDraw(cl->clipToPicture->Frame());

			STRACE(("ServerWindow %s: Message AS_LAYER_SET_CLIP_REGION: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		
		case AS_LAYER_INVAL_RECT:
		{
// TODO: watch out for the coordinate system
			BRect		invalRect;
			
			msg.Read<BRect>(&invalRect);
			
			cl->Invalidate(invalRect);

			cl->RequestDraw(invalRect);

			STRACE(("ServerWindow %s: Message AS_LAYER_INVAL_RECT: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}
		case AS_LAYER_INVAL_REGION:
		{
// TODO: watch out for the coordinate system
			BRegion			invalReg;
			int32			noOfRects;
			BRect			rect;
			
			msg.Read<int32>(&noOfRects);
			
			for(int i = 0; i < noOfRects; i++){
				msg.Read<BRect>(&rect);
				invalReg.Include(rect);
			}
			
			cl->Invalidate(invalReg);

			cl->RequestDraw(invalReg.Frame());

			STRACE(("ServerWindow %s: Message AS_LAYER_INVAL_RECT: Layer: %s\n",_title->String(), cl->_name->String()));
			break;
		}

		
	/********** END: BView Messages ***********/
	
	/********** BWindow Messages ***********/
		case AS_LAYER_DELETE_ROOT:
		{
			// Received when a window deletes its internal top view
			
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Delete_Layer_Root unimplemented\n",_title->String()));

			break;
		}
		case AS_SHOW_WINDOW:
		{
			STRACE(("ServerWindow %s: Message AS_SHOW\n",_title->String()));
			Show();
			break;
		}
		case AS_HIDE_WINDOW:
		{
			STRACE(("ServerWindow %s: Message AS_HIDE\n",_title->String()));		
			Hide();
			break;
		}
		case AS_SEND_BEHIND:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message  Send_Behind unimplemented\n",_title->String()));
			break;
		}
		case AS_ENABLE_UPDATES:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Enable_Updates unimplemented\n",_title->String()));
			break;
		}
		case AS_DISABLE_UPDATES:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Disable_Updates unimplemented\n",_title->String()));
			break;
		}
		case AS_NEEDS_UPDATE:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Needs_Update unimplemented\n",_title->String()));
			break;
		}
		case AS_WINDOW_TITLE:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Set_Title unimplemented\n",_title->String()));
			break;
		}
		case AS_ADD_TO_SUBSET:
		{
			WinBorder	*wb;
			int32		mainToken;
			team_id		teamID;
			
			ses->ReadInt32(&mainToken);
			ses->ReadData(&teamID, sizeof(team_id));
			
			wb			= desktop->FindWinBorderByServerWindowTokenAndTeamID(mainToken, teamID);
			if(wb){
				ses->WriteInt32(SERVER_TRUE);
				ses->Sync();
				
				_winborder->AddToSubsetOf(wb);
			}
			else{
				ses->WriteInt32(SERVER_FALSE);
				ses->Sync();
			}
			// TODO: Implement
			STRACE(("\n\n\n\n\n\nServerWindow %s: Message ADD_TO_SUBSET unimplemented\n",_title->String()));
			break;
		}
		case AS_REM_FROM_SUBSET:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Remove_From_Subset unimplemented\n",_title->String()));
			break;
		}
		case AS_SET_LOOK:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Set_Look unimplemented\n",_title->String()));
			break;
		}
		case AS_SET_FLAGS:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Set_Flags unimplemented\n",_title->String()));
			break;
		}
		case AS_SET_FEEL:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Set_Feel unimplemented\n",_title->String()));
			break;
		}
		case AS_SET_ALIGNMENT:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Set_Alignment unimplemented\n",_title->String()));
			break;
		}
		case AS_GET_ALIGNMENT:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Get_Alignment unimplemented\n",_title->String()));
			break;
		}
		case AS_GET_WORKSPACES:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Get_Workspaces unimplemented\n",_title->String()));
			break;
		}
		case AS_SET_WORKSPACES:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Set_Workspaces unimplemented\n",_title->String()));
			break;
		}
		case AS_WINDOW_RESIZE:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Resize unimplemented\n",_title->String()));
			break;
		}
		case B_MINIMIZE:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Minimize unimplemented\n",_title->String()));
			break;
		}
		case B_WINDOW_ACTIVATED:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Window_Activated unimplemented\n",_title->String()));
			break;
		}
		case B_ZOOM:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Zoom unimplemented\n",_title->String()));
			break;
		}
		case B_WINDOW_MOVE_TO:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Move_To unimplemented\n",_title->String()));
			break;
		}
		case B_WINDOW_MOVE_BY:
		{
			// TODO: Implement
			STRACE(("ServerWindow %s: Message Move_By unimplemented\n",_title->String()));
			break;
		}
		default:
		{
			printf("ServerWindow %s received unexpected code - message offset %lx\n",_title->String(), msg.Code() - SERVER_TRUE);
			break;
		}
	}
}

/*!
	\brief Iterator for graphics update messages
	\param msgsize Size of the buffer containing the graphics messages
	\param msgbuffer Buffer containing the graphics message
*/
void ServerWindow::DispatchGraphicsMessage(int32 msgsize, int8 *msgbuffer)
{
	Layer *layer;
	LayerData *layerdata;
	int32 code;
	int32 view_token;
	uint32 sizeRemaining = (uint32)msgsize;
	BRegion WindowClipRegion;
	BRegion LayerClipRegion;
	Layer *sibling;
	int32 numRects = 0;
	
	if (!msgsize || !msgbuffer)
		return;
	if (IsHidden())
		return;

	WindowClipRegion.Set(_winborder->Frame());
	sibling = _winborder->UpperSibling();
	while (sibling)
	{
		WindowClipRegion.Exclude(sibling->Frame());
		sibling = sibling->UpperSibling();
	}

	if (!WindowClipRegion.Frame().IsValid())
		return;
	
	// We need to decide whether coordinates are specified in view or root coordinates.
	// For now, we assume root level coordinates.
	code = AS_BEGIN_UPDATE;
	while ((sizeRemaining > 2*sizeof(int32)) && (code != AS_END_UPDATE))
	{
		code = read_from_buffer<int32>(&msgbuffer);
		view_token = read_from_buffer<int32>(&msgbuffer);
//TODO: fix!
		layer = NULL;//_workspace->GetRoot()->FindLayer(view_token);
		if (layer)
		{
			layerdata = layer->GetLayerData();
			LayerClipRegion.Set(layer->Frame());
			LayerClipRegion.IntersectWith(&WindowClipRegion);
			numRects = LayerClipRegion.CountRects();
		}
		else
		{
			layerdata = NULL;
			printf("ServerWindow %s received invalid view token %lx",_title->String(),view_token);
		}
		switch (code)
		{
			case AS_SET_HIGH_COLOR:
			{
				if (sizeRemaining >= AS_SET_COLOR_MSG_SIZE)
				{
					uint8 r, g, b, a;
					r = read_from_buffer<uint8>(&msgbuffer);
					g = read_from_buffer<uint8>(&msgbuffer);
					b = read_from_buffer<uint8>(&msgbuffer);
					a = read_from_buffer<uint8>(&msgbuffer);
					if (layerdata)
						layerdata->highcolor.SetColor(r,g,b,a);
					sizeRemaining -= AS_SET_COLOR_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_SET_LOW_COLOR:
			{
				if (sizeRemaining >= AS_SET_COLOR_MSG_SIZE)
				{
					uint8 r, g, b, a;
					r = read_from_buffer<uint8>(&msgbuffer);
					g = read_from_buffer<uint8>(&msgbuffer);
					b = read_from_buffer<uint8>(&msgbuffer);
					a = read_from_buffer<uint8>(&msgbuffer);
					if (layerdata)
						layerdata->lowcolor.SetColor(r,g,b,a);
					sizeRemaining -= AS_SET_COLOR_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_SET_VIEW_COLOR:
			{
				if (sizeRemaining >= AS_SET_COLOR_MSG_SIZE)
				{
					uint8 r, g, b, a;
					r = read_from_buffer<uint8>(&msgbuffer);
					g = read_from_buffer<uint8>(&msgbuffer);
					b = read_from_buffer<uint8>(&msgbuffer);
					a = read_from_buffer<uint8>(&msgbuffer);
					if (layerdata)
						layerdata->viewcolor.SetColor(r,g,b,a);
					sizeRemaining -= AS_SET_COLOR_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_ARC:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_ARC_MSG_SIZE)
				{
					float left, top, right, bottom, angle, span;
					int8 *pattern;

					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					angle = read_from_buffer<float>(&msgbuffer);
					span = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->StrokeArc(rect,angle,span,layerdata,pattern);
					sizeRemaining -= AS_STROKE_ARC_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_BEZIER:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_BEZIER_MSG_SIZE)
				{
					BPoint *pts;
					int8 *pattern;
					int i;
					pts = new BPoint[4];
					for (i=0; i<4; i++)
					{
						pts[i].x = read_from_buffer<float>(&msgbuffer);
						pts[i].y = read_from_buffer<float>(&msgbuffer);
					}
					pattern = read_pattern_from_buffer(&msgbuffer);
					//if (layerdata)
						//_app->_driver->StrokeBezier(pts,layerdata,pattern);
					delete[] pts;
					sizeRemaining -= AS_STROKE_BEZIER_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_ELLIPSE:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_ELLIPSE_MSG_SIZE)
				{
					float left, top, right, bottom;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->StrokeEllipse(rect,layerdata,pattern);
					sizeRemaining -= AS_STROKE_ELLIPSE_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_LINE:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_LINE_MSG_SIZE)
				{
					float x1, y1, x2, y2;
					int8 *pattern;
					x1 = read_from_buffer<float>(&msgbuffer);
					y1 = read_from_buffer<float>(&msgbuffer);
					x2 = read_from_buffer<float>(&msgbuffer);
					y2 = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BPoint p1(x1,y1);
					//BPoint p2(x2,y2);
					//if (layerdata)
						//_app->_driver->StrokeLine(p1,p2,layerdata,pattern);
					sizeRemaining -= AS_STROKE_LINE_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_LINEARRAY:
			{
				// TODO: Implement
				break;
			}
			case AS_STROKE_POLYGON:
			{
				// TODO: Implement
				break;
			}
			case AS_STROKE_RECT:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_RECT_MSG_SIZE)
				{
					float left, top, right, bottom;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->StrokeRect(rect,layerdata,pattern);
					sizeRemaining -= AS_STROKE_RECT_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_ROUNDRECT:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_ROUNDRECT_MSG_SIZE)
				{
					float left, top, right, bottom, xrad, yrad;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					xrad = read_from_buffer<float>(&msgbuffer);
					yrad = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->StrokeRoundRect(rect,xrad,yrad,layerdata,pattern);
					sizeRemaining -= AS_STROKE_ROUNDRECT_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_STROKE_SHAPE:
			{
				// TODO: Implement
				break;
			}
			case AS_STROKE_TRIANGLE:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_STROKE_TRIANGLE_MSG_SIZE)
				{
					BPoint *pts;
					int8 *pattern;
					float left, top, right, bottom;
					int i;
					pts = new BPoint[3];
					for (i=0; i<3; i++)
					{
						pts[i].x = read_from_buffer<float>(&msgbuffer);
						pts[i].y = read_from_buffer<float>(&msgbuffer);
					}
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->StrokeTriangle(pts,rect,layerdata,pattern);
					delete[] pts;
					sizeRemaining -= AS_STROKE_TRIANGLE_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_FILL_ARC:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_FILL_ARC_MSG_SIZE)
				{
					float left, top, right, bottom, angle, span;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					angle = read_from_buffer<float>(&msgbuffer);
					span = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->FillArc(rect,angle,span,layerdata,pattern);
					sizeRemaining -= AS_FILL_ARC_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_FILL_BEZIER:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_FILL_BEZIER_MSG_SIZE)
				{
					BPoint *pts;
					int8 *pattern;
					int i;
					pts = new BPoint[4];
					for (i=0; i<4; i++)
					{
						pts[i].x = read_from_buffer<float>(&msgbuffer);
						pts[i].y = read_from_buffer<float>(&msgbuffer);
					}
					pattern = read_pattern_from_buffer(&msgbuffer);
					//if (layerdata)
						//_app->_driver->FillBezier(pts,layerdata,pattern);
					delete[] pts;
					sizeRemaining -= AS_FILL_BEZIER_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_FILL_ELLIPSE:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_FILL_ELLIPSE_MSG_SIZE)
				{
					float left, top, right, bottom;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->FillEllipse(rect,layerdata,pattern);
					sizeRemaining -= AS_FILL_ELLIPSE_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_FILL_POLYGON:
			{
				// TODO: Implement
				break;
			}
			case AS_FILL_RECT:
			{
				if (sizeRemaining >= AS_FILL_RECT_MSG_SIZE)
				{
					float left, top, right, bottom;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					/*
					BRect rect(left,top,right,bottom);
					if (layerdata && numRects)
						if (numRects == 1)
							_app->_driver->FillRect(rect,layerdata,pattern);
						else
						{
							int i;
							for (i=0; i<numRects; i++)
								_app->_driver->FillRect(LayerClipRegion.RectAt(i),layerdata,pattern);
						}
						*/
					sizeRemaining -= AS_FILL_RECT_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_FILL_REGION:
			{
				// TODO: Implement
				break;
			}
			case AS_FILL_ROUNDRECT:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_FILL_ROUNDRECT_MSG_SIZE)
				{
					float left, top, right, bottom, xrad, yrad;
					int8 *pattern;
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					xrad = read_from_buffer<float>(&msgbuffer);
					yrad = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->FillRoundRect(rect,xrad,yrad,layerdata,pattern);
					sizeRemaining -= AS_FILL_ROUNDRECT_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_FILL_SHAPE:
			{
				// TODO: Implement
				break;
			}
			case AS_FILL_TRIANGLE:
			{
				// TODO:: Add clipping
				if (sizeRemaining >= AS_FILL_TRIANGLE_MSG_SIZE)
				{
					BPoint *pts;
					int8 *pattern;
					float left, top, right, bottom;
					int i;
					pts = new BPoint[3];
					for (i=0; i<3; i++)
					{
						pts[i].x = read_from_buffer<float>(&msgbuffer);
						pts[i].y = read_from_buffer<float>(&msgbuffer);
					}
					left = read_from_buffer<float>(&msgbuffer);
					top = read_from_buffer<float>(&msgbuffer);
					right = read_from_buffer<float>(&msgbuffer);
					bottom = read_from_buffer<float>(&msgbuffer);
					pattern = read_pattern_from_buffer(&msgbuffer);
					//BRect rect(left,top,right,bottom);
					//if (layerdata)
						//_app->_driver->FillTriangle(pts,rect,layerdata,pattern);
					delete[] pts;
					sizeRemaining -= AS_FILL_TRIANGLE_MSG_SIZE;
				}
				else
				{
					printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
					sizeRemaining = 0;
				}
				break;
			}
			case AS_MOVEPENBY:
			{
				// TODO: Implement
				break;
			}
			case AS_MOVEPENTO:
			{
				// TODO: Implement
				break;
			}
			case AS_SETPENSIZE:
			{
				// TODO: Implement
				break;
			}
			case AS_DRAW_STRING:
			{
				// TODO: Implement
				break;
			}
			case AS_SET_FONT:
			{
				// TODO: Implement
				break;
			}
			case AS_SET_FONT_SIZE:
			{
				// TODO: Implement
				break;
			}
			default:
			{
				sizeRemaining -= sizeof(int32);
				printf("ServerWindow %s received unexpected graphics code %lx",_title->String(),code);
				break;
			}
		}
	}
}

/*!
	\brief Message-dispatching loop for the ServerWindow

	MonitorWin() watches the ServerWindow's message port and dispatches as necessary
	\param data The thread's ServerWindow
	\return Throwaway code. Always 0.
*/
int32 ServerWindow::MonitorWin(void *data)
{
	ServerWindow 	*win = (ServerWindow *)data;
	bool			quiting = false;
	int32			code;
	
	for( ; !quiting; )
	{
		code		= 0;
		win->ses->ReadInt32(&code);
		switch(code){
				// this means the client has been killed
			case 0:{
				STRACE(("ServerWindow %s received '0' message code\n",win->Title()));
				quiting = true;
				delete win;
				break;
			}
			case B_QUIT_REQUESTED:{
				STRACE(("ServerWindow %s received Quit request\n",win->Title()));
				quiting = true;
				delete win;
				break;
			}
			default:{
				printf("SW(%s): got a message to dispatch...\n",win->Title());
//				snooze(3000000);
				win->DispatchMessage(code);
				break;
			}
		}
	}
	return 0;
}

/*!
	\brief Passes mouse event messages to the appropriate window
	\param code Message code of the mouse message
	\param buffer Attachment buffer for the mouse message
*/
//void ServerWindow::HandleMouseEvent(int32 code, int8 *buffer)
void ServerWindow::HandleMouseEvent(PortMessage *msg)
{
	ServerWindow *mousewin=NULL;
//	int8 *index=buffer;
	
	// Find the window which will receive our mouse event.
//TODO: resolve
	Layer *root=NULL;//GetRootLayer(CurrentWorkspace(),ActiveScreen());
	WinBorder *_winborder;
	
	// activeborder is used to remember windows when resizing/moving windows
	// or sliding a tab
	if(!root)
	{
		printf("ERROR: HandleMouseEvent has NULL root layer!!!\n");
		return;
	}

	// Dispatch the mouse event to the proper window
//	switch(code)
	switch(msg->Code())
	{
		case B_MOUSE_DOWN:
		{
			// Attached data:
			// 1) int64 - time of mouse click
			// 2) float - x coordinate of mouse click
			// 3) float - y coordinate of mouse click
			// 4) int32 - modifier keys down
			// 5) int32 - buttons down
			// 6) int32 - clicks

//			index+=sizeof(int64);
//			float x=*((float*)index); index+=sizeof(float);
//			float y=*((float*)index); index+=sizeof(float);
//			BPoint pt(x,y);
			float x;
			float y;
			int64 dummy;
			msg->Read<int64>(&dummy);
			msg->Read<float>(&x);
			msg->Read<float>(&y);
//TODO: resolve
//			BPoint pt(x,y);
			
			// If we have clicked on a window, 			
			active_winborder = _winborder = NULL;
			if(_winborder)
			{
				mousewin=_winborder->Window();
				_winborder->MouseDown((int8*)msg->Buffer());
			}
			break;
		}
		case B_MOUSE_UP:
		{
			// Attached data:
			// 1) int64 - time of mouse click
			// 2) float - x coordinate of mouse click
			// 3) float - y coordinate of mouse click
			// 4) int32 - modifier keys down

//			index+=sizeof(int64);
//			float x=*((float*)index); index+=sizeof(float);
//			float y=*((float*)index); index+=sizeof(float);
//			BPoint pt(x,y);
			float x;
			float y;
			int64 dummy;
			msg->Read(&dummy);
			msg->Read(&x);
			msg->Read(&y);
//TODO: resolve
//			BPoint pt(x,y);
			
/*			set_is_sliding_tab(false);
			set_is_moving_window(false);
			set_is_resizing_window(false);
*/
//TODO: resolve
			_winborder	= NULL;//WindowContainsPoint(pt);
			active_winborder=NULL;
			if(_winborder)
			{
				mousewin=_winborder->Window();
				
				// Eventually, we will build in MouseUp messages with buttons specified
				// For now, we just "assume" no mouse specification with a 0.
				_winborder->MouseUp((int8*)msg->Buffer());
			}
			break;
		}
		case B_MOUSE_MOVED:
		{
			// Attached data:
			// 1) int64 - time of mouse click
			// 2) float - x coordinate of mouse click
			// 3) float - y coordinate of mouse click
			// 4) int32 - buttons down
//			index+=sizeof(int64);
//			float x=*((float*)index); index+=sizeof(float);
//			float y=*((float*)index); index+=sizeof(float);
//			BPoint pt(x,y);
			float x;
			float y;
			int64 dummy;
			msg->Read(&dummy);
			msg->Read(&x);
			msg->Read(&y);
/*			BPoint pt(x,y);

			if(is_moving_window() || is_resizing_window() || is_sliding_tab())
			{
				active_winborder->MouseMoved((int8*)msg->Buffer());
			}
			else
			{
				_winborder = WindowContainsPoint(pt);
				if(_winborder)
				{
					mousewin=_winborder->Window();
					_winborder->MouseMoved((int8*)msg->Buffer());
				}
			}				
*/			break;
		}
		default:
		{
			break;
		}
	}
}

/*!
	\brief Passes key event messages to the appropriate window
	\param code Message code of the key message
	\param buffer Attachment buffer for the key message
*/
void ServerWindow::HandleKeyEvent(int32 code, int8 *buffer)
{
STRACE_KEY(("ServerWindow::HandleKeyEvent unimplemented\n"));
/*	ServerWindow *keywin=NULL;
	
	// Dispatch the key event to the active window
	keywin=GetActiveWindow();
	if(keywin)
	{
		keywin->Lock();
		keywin->_winlink->SetOpCode(code);
		keywin->_winlink
		keywin->Unlock();
	}
*/
}

/*!
	\brief Returns the Workspace object to which the window belongs
	
	If the window belongs to all workspaces, it returns the current workspace
*/
Workspace *ServerWindow::GetWorkspace(void)
{
	if(fWorkspaces==B_ALL_WORKSPACES)
//TODO: resolve
		return NULL;//fWorkspaces->GetScreen()->GetActiveWorkspace();

	return NULL;
}

/*!
	\brief Assign the window to a particular workspace object
	\param The ServerWindow's new workspace
*/
void ServerWindow::SetWorkspace(Workspace *wkspc)
{
STRACE(("ServerWindow %s: Set Workspace\n",_title->String()));
	_workspace=wkspc;
}

//-----------------------------------------------------------------------

Layer* ServerWindow::FindLayer(const Layer* start, int32 token) const
{
	if(!start)
		return NULL;
	
		// see if we're looking for 'start'
	if(start->_view_token == token)
		return const_cast<Layer*>(start);

	Layer		*c = start->_topchild; //c = short for: current
	if(c != NULL)
		while(true){
			// action block
			{
				if(c->_view_token == token)
					return c;
			}

				// go deep
			if(	c->_topchild){
				c = c->_topchild;
			}
				// go right or up
			else
					// go right
				if(c->_lowersibling){
					c = c->_lowersibling;
				}
					// go up
				else{
					while(!c->_parent->_lowersibling && c->_parent != start){
						c = c->_parent;
					}
						// that enough! We've reached the start layer.
					if(c->_parent == start)
						break;
						
					c = c->_parent->_lowersibling;
				}
		}

	return NULL;
}

//-----------------------------------------------------------------------

void ServerWindow::SendMessageToClient(const BMessage* msg) const{
	ssize_t		size;
	char		*buffer;
	
	size		= msg->FlattenedSize();
	buffer		= new char[size];
	if (msg->Flatten(buffer, size) == B_OK){
		write_port(winLooperPort, msg->what, buffer, size);
	}
	else
		printf("PANIC: SW: '%s': can't flatten message in 'SendMessageToClient()'\n", _title->String());

	delete buffer;
}

//-----------------------------------------------------------------------

/*!
	\brief Handles window activation stuff. Called by Desktop functions
*/
void ActivateWindow(ServerWindow *oldwin,ServerWindow *newwin)
{
STRACE(("ActivateWindow: old=%s, new=%s\n",oldwin?oldwin->Title():"NULL",newwin?newwin->Title():"NULL"));
	if(oldwin==newwin)
		return;

	if(oldwin)
		oldwin->SetFocus(false);

	if(newwin)
		newwin->SetFocus(true);
}

/*
 @log
 	*added handlers for AS_LAYER_(MOVE/RESIZE)TO messages
 	*added AS_LAYER_GET_COORD handler
 	*changed some methods to use BMessage class for sending messages to BWindow
*/