campo-sirio/xvaga/xvaga.cpp

#include "wxinc.h"

#include "wx/clipbrd.h"
#include "wx/calctrl.h"
#include "wx/colordlg.h"
#include "wx/confbase.h"
#include "wx/fileconf.h"
#include "wx/fontdlg.h"
#include "wx/fs_zip.h"
#include "wx/image.h"

#include <wx/snglinst.h>
#include <wx/thread.h>

#include "xvt.h"
#include "statbar.h"

#include "xvintern.h"
#include "agasys.h"
#include "fstrcmp.h"
#include "matche.h"

#ifdef WIN32
#include "oswin32.h"
#include <io.h>
#else
#include <errno.h>
#include <unistd.h>
#include "oslinux.h"
#include <wx/dcps.h>
#include <wx/hash.h>
#endif

#define CAST_WIN(win,w) XVT_ASSERT(win != NULL_WIN); wxWindow& w = *(wxWindow*)win
#define CAST_TWIN(win,w) XVT_ASSERT(win != NULL_WIN); TwxWindow& w = *(TwxWindow*)win; XVT_ASSERT(_task_win != &w);
#define CAST_TDC(win,dc) XVT_ASSERT(win != NULL_WIN); TDC& dc = GetTDCMapper().GetTDC(win);
#define CAST_DC(win,dc) XVT_ASSERT(win != NULL_WIN); wxDC& dc = GetTDCMapper().GetDC(win);

// Funzione interna di utilita'
MENU_ITEM* xvt_menu_duplicate_tree(const MENU_ITEM* m);

XVT_CONFIG* _config_ = NULL;
wxWindow*   _task_win = NULL;
wxWindow*   _mouse_trapper = NULL;
RCT         _startup_rect = { 0,0,0,0 };
wxString*   _startup_dir = NULL;
wxString    _strDefaultStatbarText;

static wxHashTable _nice_windows;
static wxHashTable _nice_icons;

static EVENT_HANDLER _task_win_handler = NULL;
static XVT_ERRMSG_HANDLER _error_handler = NULL;

#define XVT_ASSERT(test) assert_box((test), __LINE__, __FILE__ )

void assert_box(bool test, int line, const char * file)
{
	if (!test)
	{
		bool display = (_error_handler == NULL) || (_error_handler(SEV_FATAL, NULL) == FALSE);
    if (display)
		{
    	const wxString strMessage = wxString::Format("Sorry, the application passed some invalid parameters on line %d file %s.", line, file);
			const wxString strCaption = "Emulated XVT Error ";
      ::wxMessageBox(strMessage, strCaption, wxOK|wxICON_ERROR);
		}
	}
}

void xvt_sys_sorry_box(const char * file,int line)
{
  static wxHashTable sorry;
	if (sorry.Get(line) == NULL)
	{
		sorry.Put(line, &sorry); // Dummy
		const wxString strMessage =	wxString::Format("Function in file %s at line %d not implemented", file, line);
		::wxMessageBox(strMessage);
	}
}

static bool RectIntersect(const wxRect &rect1, const wxRect &rect2)
{
	if (rect1.GetRight() < rect2.GetLeft())
  	return false;
	if (rect2.GetRight() < rect1.GetLeft())
  	return false;
	if (rect1.GetBottom() < rect2.GetTop())
  	return false;
	if (rect2.GetBottom() < rect1.GetTop())
  	return false;
	return true;
}

wxRect NormalizeRCT(const RCT* prct)
{
	XVT_ASSERT(prct != NULL);
	wxRect rct;
	rct.x = min(prct->left, prct->right);
	rct.y = min(prct->top, prct->bottom);
	rct.width = abs(prct->right - prct->left);
	rct.height = abs(prct->bottom - prct->top);
	return rct;
}

wxString GetResourceIni()
{
	wxString strName;
  strName = *_startup_dir;
  strName += "/res/resource.ini";
  return strName;
}

wxString GetResourceName(const char* type, int rid)
{
	wxFileConfig ini("", "", GetResourceIni());
	
	wxString strName = "/"; strName += type; strName += "s";
	ini.SetPath(strName);
	
	wxString val;
	if (ini.Read(wxString::Format("%d", rid), &val))
	{
		strName = *_startup_dir;
		strName += "/custom/";
		strName += val;
    if (!wxFileExists(strName))
    {
      strName = *_startup_dir;
		  strName += "/res/";
		  strName += val;
    }
	}
	else
		strName.Empty();
	return strName;
}

wxIcon* GetIconResource(int rid)
{
  wxIcon* icon = (wxIcon*)_nice_icons.Get(rid);
  if (icon == NULL)
	{
		wxString strName = ::GetResourceName("Icon", rid);
		if (::wxFileExists(strName))
		{
			icon = new wxIcon(strName, wxBITMAP_TYPE_ICO);
			_nice_icons.Put(rid, icon);
		}
		else
		  icon = (wxIcon*)_nice_icons.Get(ICON_RSRC);
	}
	XVT_ASSERT(icon != NULL);
	return icon;
}

wxCursor* GetCursorResource(int rid)
{
	static wxHashTable cursors;
  wxCursor* cursor = (wxCursor*)cursors.Get(rid);
  if (cursor == NULL)
	{
		switch (rid)
		{
    case CURSOR_CROSS: cursor = new wxCursor(wxCURSOR_CROSS);	break;
		case CURSOR_IBEAM: cursor = new wxCursor(wxCURSOR_IBEAM);	break;
		default:
			{
				wxString strName = ::GetResourceName("Cursor", rid);
				if (::wxFileExists(strName))
				{
#ifdef WIN32				
					cursor = new wxCursor(strName, wxBITMAP_TYPE_CUR);
#else
    			cursor = wxSTANDARD_CURSOR;
#endif
					if (!cursor->Ok())
					{
						delete cursor;
						cursor = NULL;
					}
				}
			}
			break;
		}
		if (cursor == NULL)
		{
    	XVT_ASSERT(false);
			cursor = wxSTANDARD_CURSOR;
		}
		cursors.Put(rid, cursor);
	}
	return cursor;
}

///////////////////////////////////////////////////////////
// Caret emulation
///////////////////////////////////////////////////////////

class TwxCaret : private wxTimer
{
	WINDOW _owner;
  PNT _pos;
	wxSize _size;
  bool _visible;
	bool _drawn;

protected:
	void Toggle();
  virtual void Notify() { Toggle(); }

public:
	void SetPos(int x, int y);
	void SetSize(int x, int y) { _size.x = x; _size.y = y; }
	void Show(WINDOW w, bool on = true);
	void Hide() { Show(NULL_WIN, false); }
	bool IsVisible() const { return _visible; }
	WINDOW Owner() const { return _owner; }
	void Kill();

	TwxCaret() :  _owner(NULL_WIN), _visible(false) { }
	virtual ~TwxCaret() { Kill(); }
} _TheCaret;

void TwxCaret::Kill()
{
	_owner = NULL_WIN;
}

void TwxCaret::SetPos(int x, int y) 
{ 
  if (_visible && _drawn) // Lo cancella se necessario
	  Toggle();  
  _pos.h = x; _pos.v = y; 
}

void TwxCaret::Show(WINDOW w, bool on)
{
  if (_visible && _drawn)
		Toggle();  // Lo cancella

	_visible = on;
	if (on)
	{
		_owner = w;
		Toggle();
		wxTimer::Start(500); // Lampeggia ogni mezzo secondo
	}
	else
	{
    if (w == _owner || w == NULL_WIN)
			Kill();
	}
}

void TwxCaret::Toggle()
{
	if (!_visible || _owner == NULL_WIN)
		return;
		
	_drawn = !_drawn;

	DRAW_CTOOLS dct;
	xvt_dwin_get_draw_ctools(_owner, &dct);

	CPEN pen;
	pen.width = _size.x;
	pen.pat = PAT_SOLID;
	pen.style = P_SOLID;
  pen.color = dct.fore_color;
	xvt_dwin_set_draw_mode(_owner, M_NOT_XOR);
	
  xvt_dwin_set_cpen(_owner, &pen);
	xvt_dwin_draw_set_pos(_owner, _pos);
	PNT p = _pos;	p.v -= _size.y-1;

	xvt_dwin_set_clip(_owner, NULL);  // Non si sa mai!
	xvt_dwin_draw_line(_owner, p);
	xvt_dwin_set_draw_ctools(_owner, &dct);
}

///////////////////////////////////////////////////////////
// Generic Display context
///////////////////////////////////////////////////////////

#define CAST_COLOR(xc, wc) wxColour wc((xc>>16)&0xFF, (xc>>8)&0xFF, xc&0xFF)
#define MAKE_XVT_COLOR(wc) MAKE_COLOR(wc.Red(), wc.Green(), wc.Blue())

TDC::TDC(wxWindow* owner) : _dc(NULL)
{
  _owner = owner;

	memset(&_dct, 0, sizeof(_dct));
	_dct.pen.width = 0;
	_dct.pen.pat = PAT_SOLID;
  _dct.pen.style = P_SOLID;
  _dct.pen.color = COLOR_BLACK;
	_dct.brush.pat = PAT_HOLLOW;
  _dct.brush.color = COLOR_WHITE;
	_dct.mode = M_COPY;
	_dct.fore_color = COLOR_BLACK;
	_dct.back_color = COLOR_WHITE;
	_dct.opaque_text = FALSE;

  _font.SetPointSize(9);  // Default font
  _deltaf = 0;

	SetClippingBox(NULL);   // Reset clip area

	_dirty = -1;  // Absolutely force setting
}

TDC::~TDC()
{
	KillDC();
}

void TDC::SetDirty(int d)
{
	if (_dirty >= 0)
		_dirty = d;
}

static int PatternToStyle(PAT_STYLE pat)
{
	int style = wxSOLID;
	switch (pat)
	{
  case PAT_NONE:
  case PAT_HOLLOW:    style = wxTRANSPARENT; break;
  case PAT_SOLID:	    style = wxSOLID; break;
  case PAT_HORZ:      style = wxHORIZONTAL_HATCH; break;
  case PAT_VERT:      style = wxVERTICAL_HATCH; break;
  case PAT_FDIAG:	    style = wxFDIAGONAL_HATCH; break;
  case PAT_BDIAG:     style = wxBDIAGONAL_HATCH; break;
  case PAT_CROSS:     style = wxCROSS_HATCH; break;
  case PAT_DIAGCROSS: style = wxCROSSDIAG_HATCH; break;
  case PAT_RUBBER:	
  case PAT_SPECIAL:		
  default: SORRY_BOX(); break;
	}
	return style;
}

static int PenStyleToStyle(PEN_STYLE s, PAT_STYLE p)
{
	int style = wxSOLID;
	if (p != PAT_HOLLOW)
	{
		switch (s)
		{
		case P_DOT : style = wxDOT;        break;
		case P_DASH: style = wxSHORT_DASH; break;
		default: break;
		}
	}
	else
		style = wxTRANSPARENT;

	return style;
}

bool TDC::PenChanged() const
{
	const int diff = memcmp(&_dct.pen, &_real_dct.pen, sizeof(_dct.pen));
  return diff != 0;
}

bool TDC::BrushChanged() const
{
	const int diff = memcmp(&_dct.brush, &_real_dct.brush, sizeof(_dct.brush));
  return diff != 0;
}

bool TDC::FontChanged() const
{
  return _font != _real_font;
}

#ifdef LINUX
bool is_printer_dc(wxDC * dc)
{
	return dc->IsKindOf(CLASSINFO(wxPostScriptDC));
}
#endif

wxDC& TDC::GetDC(bool bPaint)
{
  if (bPaint)
	{
		KillDC();
	  _dc = new wxPaintDC(_owner);
  	_dirty = -1;
	}
	else
	{
		if (_dc == NULL)
		{
      if (_owner == NULL || (unsigned long)_owner == SCREEN_WIN)
        _dc = new wxScreenDC();
      else  
		    _dc = new wxClientDC(_owner);
    	_dirty = -1;
		}
	}

	if (_dirty)
	{
		if (_dirty < 0 || PenChanged())
		{
		  CAST_COLOR(_dct.pen.color, pen_color);
  		wxPen* pen = wxThePenList->FindOrCreatePen(pen_color, _dct.pen.width, PenStyleToStyle(_dct.pen.style, _dct.pen.pat));
	  	_dc->SetPen(*pen);
			_real_dct.pen = _dct.pen;
		}

		if (_dirty < 0 || BrushChanged())
		{
 		  CAST_COLOR(_dct.brush.color, brush_color);
		  wxBrush* brush = wxTheBrushList->FindOrCreateBrush(brush_color, PatternToStyle(_dct.brush.pat));
		  _dc->SetBrush(*brush);
			_real_dct.brush = _dct.brush;
		}

		if (_dirty < 0 || _dct.mode != _real_dct.mode)
		{
#ifdef LINUX
			if(!is_printer_dc(_dc))
			{ 
#endif
			switch(_dct.mode)
			{
			case M_COPY:     _dc->SetLogicalFunction(wxCOPY); break;
			case M_OR:       _dc->SetLogicalFunction(wxOR); break;
			case M_XOR:      _dc->SetLogicalFunction(wxXOR); break;
			case M_CLEAR:    _dc->SetLogicalFunction(wxCLEAR); break;
			case M_NOT_COPY: _dc->SetLogicalFunction(wxSRC_INVERT); break;
			case M_NOT_OR:   _dc->SetLogicalFunction(wxNOR); break;
			case M_NOT_XOR:  _dc->SetLogicalFunction(wxEQUIV); break;
			case M_NOT_CLEAR:_dc->SetLogicalFunction(wxSET); break;
			default: SORRY_BOX();
			}
#ifdef LINUX
			}
#endif
			_real_dct.mode = _dct.mode;
		}

		if (_dirty < 0 || _dct.fore_color != _real_dct.fore_color)
		{
 		  CAST_COLOR(_dct.fore_color, fore_color);
		  _dc->SetTextForeground(fore_color);
			_real_dct.fore_color = _dct.fore_color;
		}

		if (_dirty < 0 || _dct.back_color != _real_dct.back_color)
		{
 		  CAST_COLOR(_dct.back_color, back_color);
		  _dc->SetTextBackground(back_color);
			_real_dct.back_color = _dct.back_color;
		}

		if (_dirty < 0 || _dct.opaque_text != _real_dct.opaque_text)
		{
		  _dc->SetBackgroundMode(_dct.opaque_text ? wxSOLID : wxTRANSPARENT);
			_real_dct.opaque_text = _dct.opaque_text;
		}

		if (_dirty < 0 || FontChanged())
		{
 		  _dc->SetFont(_font.Font(_dc, (WINDOW)_owner));
			_real_font = _font;

		  int height, desc, lead; 	
		  _dc->GetTextExtent("Campo", NULL, &height, &desc, &lead);
		  _deltaf = height-desc;
		}
		
		_dirty = false;
	}
	return *_dc;
}

void TDC::KillDC()
{
	if (_dc != NULL)
	{
  	SetClippingBox(NULL);
		delete _dc;
  	_dc = NULL;
	}
}

void TDC::SetClippingBox(const RCT* pRct)
{
	if (_dc != NULL)
	  _dc->DestroyClippingRegion();
	if (pRct)
	{
		const wxRect rct = NormalizeRCT(pRct);
		GetDC().SetClippingRegion(rct);
  	_clip = *pRct;
	}
	else
	{
		_clip.left = _clip.top = 0;
		_clip.right = _clip.bottom = 32000;
	}
}

bool TDC::GetClippingBox(RCT* pRct) const
{
	*pRct = _clip;
	return _clip.right > _clip.left;
}

WX_DECLARE_HASH_MAP(WINDOW, TDC*, wxIntegerHash, wxIntegerEqual, wxTDCHashMap);

class TDCMapper : public wxTDCHashMap
{
  WINDOW _pLastOwner;
  TDC* _pLastTDC;

public:
	TDC& GetTDC(WINDOW owner);
	wxDC& GetDC(WINDOW owner, bool bPaint = false) { return GetTDC(owner).GetDC(bPaint); }
	void DestroyDC(WINDOW owner);
	void DestroyTDC(WINDOW owner);
  bool HasValidDC(WINDOW owner) const;

	TDCMapper() : _pLastOwner(NULL_WIN), _pLastTDC(NULL) { }
  virtual ~TDCMapper() { DestroyTDC(NULL_WIN); }
};

TDCMapper& GetTDCMapper()
{
  static TDCMapper* _dc_map = NULL;
  if (_dc_map == NULL)
    _dc_map = new TDCMapper;
  return *_dc_map;
}

void TDCMapper::DestroyDC(WINDOW owner)
{
	if (owner)
	{
	  TDC* pTDC = (*this)[owner];
	  if (pTDC)
		  pTDC->KillDC();
	}
	else
	{
		for (TDCMapper::iterator it = begin(); it != end(); ++it)
		{
  	  TDC* pTDC = it->second;
	  	if (pTDC)
   		  pTDC->KillDC();
		}
  }
}

void TDCMapper::DestroyTDC(WINDOW owner)
{
	if (owner != NULL_WIN)
	{
	  TDC* pTDC = (*this)[owner];
	  if (pTDC)
		  delete pTDC;
    erase(owner);
	}
	else
	{
		TDCMapper::iterator it;
		for (it = begin(); it != end(); ++it)
		{
  	  TDC* pTDC = it->second;
	  	if (pTDC)
				delete pTDC;
		}
		clear();
	}
	_pLastOwner = NULL_WIN;
}

TDC& TDCMapper::GetTDC(WINDOW owner)
{
	if (owner == _pLastOwner)
		return *_pLastTDC;
	
	TDC* pTDC = (*this)[owner];
	if (pTDC == NULL)
	{
		if (owner == PRINTER_WIN)
			pTDC = new TPrintDC((wxWindow*)owner);
		else
		  pTDC = new TDC((wxWindow*)owner);
		(*this)[owner] = pTDC;
	}
	_pLastOwner = owner;
	_pLastTDC = pTDC;
	return *pTDC;
}

bool TDCMapper::HasValidDC(WINDOW owner) const
{
  if (owner == NULL_WIN)
		return false;

	if (owner == (WINDOW)_pLastOwner)
		return true;
	
	TDC* pTDC = (*((TDCMapper *) this))[owner];
	return pTDC != NULL;
}

///////////////////////////////////////////////////////////
// Generic window class
///////////////////////////////////////////////////////////

#define TIMER_ID 1

class TwxWindowBase : public wxWindow
{
#ifdef LINUX
private:
	wxString m_strTitle;
  virtual void SetTitle(const wxString& title) { wxWindow::SetTitle(m_strTitle = title); }
  virtual wxString GetTitle() const { return m_strTitle; }
#endif

public:
  TwxWindowBase() { }
	TwxWindowBase(wxWindow *parent, wxWindowID id, const wxString &title,
	  	          const wxPoint & pos, const wxSize & size, long style);

  DECLARE_DYNAMIC_CLASS(TwxWindowBase)
};

IMPLEMENT_DYNAMIC_CLASS(TwxWindowBase, wxWindow)

TwxWindowBase::TwxWindowBase(wxWindow *parent, wxWindowID id, const wxString &title,
													   const wxPoint &pos, const wxSize &size, long style)
{
#if wxCHECK_VERSION(2,6,1)
  // Evita inutili sfarfallamenti in quanto wxWidgets crea le finestre visibili per default
  wxWindowBase::Show(false);  
#endif
  Create(parent, id, pos, size, style, title);
  SetTitle(title); // Triste necessita', la Create sembra ignorare il titolo
}

class TwxWindow : public TwxWindowBase
{
private:
  MENU_ITEM* m_menu;

protected:
  virtual void OnChar(wxKeyEvent& e);
  virtual void OnClose(wxCloseEvent& e);
  virtual void OnKeyDown(wxKeyEvent& e);
  virtual void OnKillFocus(wxFocusEvent& e);
  virtual void OnMenu(wxCommandEvent& event);
  virtual void OnMouseDouble(wxMouseEvent& e);
  virtual void OnMouseDown(wxMouseEvent& e);
  virtual void OnMouseMove(wxMouseEvent& e);
  virtual void OnMouseUp(wxMouseEvent& e);
  virtual void OnMouseWheel(wxMouseEvent& e);
  virtual void OnScroll(wxScrollEvent& e);
  virtual void OnScrollWin(wxScrollWinEvent& e);
  virtual void OnSetFocus(wxFocusEvent& e);
  virtual void OnSize(wxSizeEvent& e);
  virtual void OnTimer(wxTimerEvent& e);

public:
	void DoXvtEvent(EVENT& e);
	virtual void OnPaint(wxPaintEvent& event);

public:
	WIN_TYPE _type;
	EVENT_HANDLER _eh;
	long _app_data;
	wxTimer* _timer;

	void SetMenuTree(const MENU_ITEM* menu);
	MENU_ITEM* GetMenuTree() const { return m_menu; }

	TwxWindow() :  m_menu(NULL), _type(W_DOC), _eh(NULL), _app_data(0L), _timer(NULL) { }
  TwxWindow(wxWindow *parent, wxWindowID id, const wxString& title,
		      const wxPoint& pos = wxDefaultPosition,
          const wxSize& size = wxDefaultSize, long style = 0);
	virtual ~TwxWindow();

  DECLARE_DYNAMIC_CLASS(TwxWindow);
	DECLARE_EVENT_TABLE();
};

class TTaskWin : public wxFrame
{
  MENU_ITEM* m_menu;
	
	wxMenuBar* m_pOldBar;
	wxWindow* m_MenuOwner;

protected:
  virtual void OnClose(wxCloseEvent& event);
  virtual void OnMenu(wxCommandEvent& event);
  virtual void OnSize(wxSizeEvent& event);
  
public:
  virtual void OnPaint(wxPaintEvent& event);

public:
  void SetMenuTree(const MENU_ITEM* tree);
  const MENU_ITEM* GetMenuTree() const { return m_menu; }
  void PushMenuTree(const MENU_ITEM* tree, wxWindow* owner);
	void PopMenuTree();

	TTaskWin() : wxFrame(), m_menu(NULL), m_pOldBar(NULL) { }
  TTaskWin(wxWindow *parent, wxWindowID id, const wxString& title,
           const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
           long style = wxDEFAULT_FRAME_STYLE);
	~TTaskWin();

  DECLARE_DYNAMIC_CLASS(TTaskWin);
	DECLARE_EVENT_TABLE();
};

IMPLEMENT_DYNAMIC_CLASS(TwxWindow, TwxWindowBase)

BEGIN_EVENT_TABLE(TwxWindow, TwxWindowBase)
  EVT_CHAR(TwxWindow::OnChar)
  EVT_KEY_DOWN(TwxWindow::OnKeyDown)
	EVT_CLOSE(TwxWindow::OnClose)
	EVT_KILL_FOCUS(TwxWindow::OnKillFocus)
  EVT_LEFT_DCLICK(TwxWindow::OnMouseDouble)
  EVT_LEFT_DOWN(TwxWindow::OnMouseDown)
  EVT_LEFT_UP(TwxWindow::OnMouseUp)
  EVT_MENU_RANGE(1000, 32766, TwxWindow::OnMenu)
  EVT_MIDDLE_DOWN(TwxWindow::OnMouseDown)
  EVT_MIDDLE_UP(TwxWindow::OnMouseUp)
	EVT_MOTION(TwxWindow::OnMouseMove)
  EVT_MOUSEWHEEL(TwxWindow::OnMouseWheel)
  EVT_PAINT(TwxWindow::OnPaint)
  EVT_RIGHT_DOWN(TwxWindow::OnMouseDown)
  EVT_RIGHT_UP(TwxWindow::OnMouseUp)
	EVT_SCROLL(TwxWindow::OnScroll)
	EVT_SCROLLWIN(TwxWindow::OnScrollWin)
	EVT_SET_FOCUS(TwxWindow::OnSetFocus)
	EVT_SIZE(TwxWindow::OnSize)
	EVT_TIMER(TIMER_ID, TwxWindow::OnTimer)
END_EVENT_TABLE()

void TwxWindow::DoXvtEvent(EVENT& e)
{
	if (this != NULL && _eh != NULL)
  	_eh((WINDOW)this, &e);
}

void TwxWindow::OnChar(wxKeyEvent& event)
{
  static int nSkipNextDotKey = -883; // Valore indefinito
  if (nSkipNextDotKey == -883)       // Devo stabilire se attivare la gestione o no
  {
    const char* campoini = xvt_fsys_get_campo_ini();
    char str[2];
    xvt_sys_get_profile_string(campoini, "Main", "Point2Comma", "1", str, sizeof(str));
    nSkipNextDotKey = strchr("1XY", *str) != NULL ? 0 : -1; // Dis/Abilita conversione punto in virgola
  }

  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_CHAR;
	int k = event.GetKeyCode();

	if (nSkipNextDotKey == 1)
	{
    nSkipNextDotKey = 0;
		if (k == '.')
		{
		  event.Skip();
		  return;
		}
	}

	switch (k)
	{
	case WXK_ALT:
	case WXK_MENU:
  case WXK_NUMPAD0:
  case WXK_NUMPAD1:
  case WXK_NUMPAD2:
  case WXK_NUMPAD3:
  case WXK_NUMPAD4:
  case WXK_NUMPAD5:
  case WXK_NUMPAD6:
  case WXK_NUMPAD7:
  case WXK_NUMPAD8:
  case WXK_NUMPAD9:
		event.Skip();
		return;
  case WXK_NUMPAD_DECIMAL:   // ??? Non arriva mai
	case WXK_DECIMAL:          // ??? Arriva sia '.' sia WXK_DECIMAL=340
    if (nSkipNextDotKey == 0)
    {
		  k = ','; // Trasformo il punto in virgola
		  nSkipNextDotKey = 1;
    }
		break;
  case WXK_NUMPAD_ADD: k = '+';break;
	case WXK_DOWN : k = K_DOWN;  break;
  case WXK_END  : k = K_LEND;  break;
  case WXK_HOME : k = K_LHOME; break;
	case WXK_LEFT : k = K_LEFT;  break;
	case WXK_NEXT : k = K_NEXT;  break;
	case WXK_PRIOR: k = K_PREV;  break;
	case WXK_RIGHT: k = K_RIGHT; break;
	case WXK_UP   : k = K_UP;	   break;
	case WXK_TAB:
    if (event.ShiftDown())
			k = K_BTAB;
		break;
	default:
	  if (k >= WXK_F1 && k <= WXK_F24)
		  k = K_F1 + k - WXK_F1;
		break;
	}
	
	e.v.chr.shift = event.ShiftDown();
	e.v.chr.control = event.ControlDown();
	if (event.AltDown())
	{
		e.v.chr.control = TRUE;
    if (isalnum(k))
			k = toupper(k);
		else
		{
      if (strchr("+-", k) == NULL) // Aggiungere qui vari testi eventuali
      {
			  event.Skip();
			  return;
      }
		}
	}
	e.v.chr.ch = k;
	
	DoXvtEvent(e);
}

void TwxWindow::OnKeyDown(wxKeyEvent& event)
{
#ifdef WIN32
  // Triste necessita' per gestire corretamente Alt+'+' del tasterino
	const int k = event.GetKeyCode();
  if (k == WXK_NUMPAD_ADD)
  {
    if (event.AltDown())
    {
      OnChar(event);
      return;
    }
  }
#else
  if (event.AltDown() || event.ControlDown())
  {
    OnChar(event);
    return;
  }
#endif
  event.Skip();
}

void TwxWindow::OnClose(wxCloseEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_DESTROY;
	DoXvtEvent(e);
  Destroy();
}

void TwxWindow::OnKillFocus(wxFocusEvent& event)
{
  if (_TheCaret.Owner() == (WINDOW)this)
    _TheCaret.Hide();

  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_FOCUS;
	e.v.active = 0;
	DoXvtEvent(e);
}

void TwxWindow::OnMenu(wxCommandEvent& event)
{
	EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_COMMAND;
	e.v.cmd.control = 0; e.v.cmd.shift = 0;
	e.v.cmd.tag = event.GetId();
	DoXvtEvent(e);
}

void TwxWindow::OnMouseDouble(wxMouseEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_MOUSE_DBL;
	e.v.mouse.button = (event.RightDown() ? 1 : 0) + (event.MiddleDown() ? 2 : 0);
	e.v.mouse.control = event.ControlDown();
	e.v.mouse.shift = event.ShiftDown();
	e.v.mouse.where.h = event.GetX();
	e.v.mouse.where.v = event.GetY();
	DoXvtEvent(e);
}

void TwxWindow::OnMouseDown(wxMouseEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_MOUSE_DOWN;
	e.v.mouse.button = (event.RightDown() ? 1 : 0) + (event.MiddleDown() ? 2 : 0);
	e.v.mouse.control = event.ControlDown();
	e.v.mouse.shift = event.ShiftDown();
	e.v.mouse.where.h = event.GetX();
	e.v.mouse.where.v = event.GetY();
	DoXvtEvent(e);

#if wxCHECK_VERSION(2,6,1)
  SetFocus();   // Triste necessita'
#endif
}

void TwxWindow::OnMouseMove(wxMouseEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_MOUSE_MOVE;
	e.v.mouse.button = (event.RightIsDown() ? 1 : 0) + (event.MiddleIsDown() ? 2 : 0);
	e.v.mouse.control = event.ControlDown();
	e.v.mouse.shift = event.m_shiftDown;
	e.v.mouse.where.h = event.GetX();
	e.v.mouse.where.v = event.GetY();
	DoXvtEvent(e);
}

void TwxWindow::OnMouseUp(wxMouseEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_MOUSE_UP;
	e.v.mouse.button = (event.RightUp() ? 1 : 0) + (event.MiddleUp() ? 2 : 0);
	e.v.mouse.control = event.ControlDown();
	e.v.mouse.shift = event.ShiftDown();
	e.v.mouse.where.h = event.GetX();
	e.v.mouse.where.v = event.GetY();
	DoXvtEvent(e);
}

void TwxWindow::OnMouseWheel(wxMouseEvent& event)
{
  const int nRot = event.GetWheelRotation();
  if (nRot != 0)
  {
    EVENT e; memset(&e, 0, sizeof(EVENT));
    e.type = E_VSCROLL;
	  e.v.scroll.pos = event.GetY();
    e.v.scroll.what = nRot > 0 ? SC_LINE_UP : SC_LINE_DOWN;
	  DoXvtEvent(e);
  }
}

void TwxWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_UPDATE;

	RCT& rct = e.v.update.rct;

  wxRect rctDamaged = GetUpdateRegion().GetBox();
  rct.left = rctDamaged.x;
	rct.top = rctDamaged.y;
	rct.right = rctDamaged.GetRight()+1;
	rct.bottom = rctDamaged.GetBottom()+1;

	TDC& tdc = GetTDCMapper().GetTDC((WINDOW)this);
	tdc.GetDC(true); // Forza la creazione di un wxPaintDC
	DoXvtEvent(e);
	tdc.KillDC();    // Distrugge il wxPaintDC
	GetTDCMapper().DestroyDC(NULL_WIN); // Distrugge davvero tutti i wxClientDC residui (risolve molte "porcate" del video)
}

static SCROLL_CONTROL ConvertScrollToXVT(wxEventType et)
{
  if (et == wxEVT_SCROLL_TOP)
		return SC_THUMB; // Meglio di niente
  if (et == wxEVT_SCROLL_BOTTOM)
		return SC_THUMB; // Meglio di niente
  if (et == wxEVT_SCROLL_LINEUP)
		return SC_LINE_UP;
  if (et == wxEVT_SCROLL_LINEDOWN)
		return SC_LINE_DOWN;
  if (et == wxEVT_SCROLL_PAGEUP)
		return SC_PAGE_UP;
  if (et == wxEVT_SCROLL_PAGEDOWN)
		return SC_PAGE_DOWN;
  if (et == wxEVT_SCROLL_THUMBTRACK)
		return SC_THUMBTRACK;
  if (et == wxEVT_SCROLL_THUMBRELEASE)
		return SC_THUMB;
	return SC_NONE;
}

void TwxWindow::OnScroll(wxScrollEvent& event)
{
  SCROLL_CONTROL sc = ConvertScrollToXVT(event.GetEventType());
  if (sc != SC_NONE)
  {
    EVENT e; memset(&e, 0, sizeof(EVENT));

    const wxScrollBar* sb = (wxScrollBar*)event.GetEventObject();
	  const wxSize sz = sb->GetSize();

    e.type = E_CONTROL;
	  e.v.ctl.id = event.GetId();
	  e.v.ctl.ci.type = sz.x > sz.y ? WC_HSCROLL : WC_VSCROLL;
	  e.v.ctl.ci.win = (WINDOW)sb;
	  e.v.ctl.ci.v.scroll.pos = event.GetPosition();
    e.v.ctl.ci.v.scroll.what = sc;
	  DoXvtEvent(e);
  }
}

void TwxWindow::OnScrollWin(wxScrollWinEvent& event)
{
	wxEventType et = event.GetEventType();
  et -= (wxEVT_SCROLLWIN_TOP - wxEVT_SCROLL_TOP);
  const SCROLL_CONTROL sc = ConvertScrollToXVT(et);
  if (sc != SC_NONE)
  {
    EVENT e; memset(&e, 0, sizeof(EVENT));
    e.type = event.GetOrientation() == wxHORIZONTAL ? E_HSCROLL : E_VSCROLL;
	  e.v.scroll.pos = event.GetPosition();
	  e.v.scroll.what = sc;
	  DoXvtEvent(e);
  }
}

void TwxWindow::OnSetFocus(wxFocusEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_FOCUS;
	e.v.active = 1;
	DoXvtEvent(e);
}

void TwxWindow::OnSize(wxSizeEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_SIZE;
	e.v.size.height = event.GetSize().x;
	e.v.size.width = event.GetSize().y;
	DoXvtEvent(e);
}

void TwxWindow::OnTimer(wxTimerEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_TIMER;
	e.v.timer.id = (WINDOW)this;
	DoXvtEvent(e);
}

void TwxWindow::SetMenuTree(const MENU_ITEM* tree)
{
	XVT_ASSERT(tree != NULL);
	if (tree != NULL)
	{
		if (m_menu)
			xvt_res_free_menu_tree(m_menu);
		m_menu = xvt_menu_duplicate_tree(tree);
		((TTaskWin*)_task_win)->PushMenuTree(tree, this);
	}
}

TwxWindow::TwxWindow(wxWindow *parent, wxWindowID id, const wxString& title,
										 const wxPoint& pos, const wxSize& size, long style)
  			 : TwxWindowBase(parent, id, title, pos, size, style),
					 m_menu(NULL), _eh(NULL), _timer(NULL)
{
  _nice_windows.Put((WINDOW)this, this);
}

TwxWindow::~TwxWindow()
{
  if (_timer)
		delete _timer;
	if (m_menu)
	{
		xvt_res_free_menu_tree(m_menu);
		((TTaskWin*)_task_win)->PopMenuTree();
	}

  _nice_windows.Delete((WINDOW)this);
}


///////////////////////////////////////////////////////////
// Main application = TASK_WIN functions
///////////////////////////////////////////////////////////

IMPLEMENT_DYNAMIC_CLASS(TTaskWin, wxFrame)

BEGIN_EVENT_TABLE(TTaskWin, wxFrame)
  EVT_CLOSE(TTaskWin::OnClose)
  EVT_MENU_RANGE(1000, 32766, TTaskWin::OnMenu)
	EVT_PAINT(TTaskWin::OnPaint)
	EVT_SIZE(TTaskWin::OnSize)
END_EVENT_TABLE()

void TTaskWin::OnClose(wxCloseEvent& event)
{
	if (event.CanVeto())
	{
	  EVENT e; memset(&e, 0, sizeof(EVENT));
	  e.type = E_CLOSE;
	  int veto = _task_win_handler((WINDOW)this, &e);
		event.Veto(veto != 0);
	}
	else
		event.Skip();
}

void TTaskWin::OnMenu(wxCommandEvent& event)
{
	EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_COMMAND;
	e.v.cmd.control = 0; e.v.cmd.shift = 0;
	e.v.cmd.tag = event.GetId();

	if (m_MenuOwner == NULL || m_MenuOwner == this)
  	_task_win_handler((WINDOW)this, &e);
	else
		((TwxWindow*)m_MenuOwner)->_eh((WINDOW)m_MenuOwner, &e);
}

void TTaskWin::OnPaint(wxPaintEvent& WXUNUSED(event))
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_UPDATE;
	RCT& rct = e.v.update.rct;

  wxRect rctDamaged = GetUpdateRegion().GetBox();
  rct.left = rctDamaged.x;
	rct.top = rctDamaged.y;
	rct.right = rctDamaged.GetRight()+1;
	rct.bottom = rctDamaged.GetBottom()+1;

	TDC& dc = GetTDCMapper().GetTDC((WINDOW)this);
	dc.GetDC(true); // Forza la creazione di un wxPaintDC
	_task_win_handler((WINDOW)this, &e);
	dc.KillDC();
}

void TTaskWin::OnSize(wxSizeEvent& event)
{
  EVENT e; memset(&e, 0, sizeof(EVENT));
	e.type = E_SIZE;
	e.v.size.height = event.GetSize().x;
	e.v.size.width = event.GetSize().y;
	_task_win_handler((WINDOW)this, &e);
}

void TTaskWin::SetMenuTree(const MENU_ITEM* tree)
{
	if (m_menu)
		xvt_res_free_menu_tree(m_menu);
	m_menu = xvt_menu_duplicate_tree(tree);

	wxMenuBar* bar = GetMenuBar();
	for ( ; tree != NULL && tree->tag != 0; tree++)
	{
		wxMenu* pMenu = new wxMenu;
		for (MENU_ITEM* mi = tree->child; mi != NULL && mi->tag != 0; mi++)
		{
			wxMenuItem* item = NULL;
			if (mi->separator)
				item = new wxMenuItem(pMenu, wxID_SEPARATOR);
			else
				item = new wxMenuItem(pMenu, mi->tag, mi->text, wxEmptyString, mi->checkable);
			pMenu->DoAppend(item);
		}
		const int nLast = bar->GetMenuCount()-1;
		int m;
		for (m = 2; m < nLast; m++)
		{
			wxMenu* pMenu = bar->GetMenu(m);
			if (pMenu->FindItem(tree->child->tag))
			{
				bar->Remove(m);
//				delete pMenu;
				break;
			}
		}
		bar->Insert(m, pMenu, tree->text);
	}
}

void TTaskWin::PushMenuTree(const MENU_ITEM* tree, wxWindow* owner)
{
	if(m_pOldBar != NULL)
    PopMenuTree();
  m_pOldBar = GetMenuBar();

	wxMenuBar* pBar = new wxMenuBar;
	for (; tree && tree->tag != 0; tree++)
	{
		wxMenu* pMenu = new wxMenu;
		for (MENU_ITEM* mi = tree->child; mi != NULL && mi->tag != 0; mi++)
		{
			wxMenuItem* item = NULL;
			if (mi->separator)
				item = new wxMenuItem(pMenu, wxID_SEPARATOR);
			else
				item = new wxMenuItem(pMenu, mi->tag, mi->text, wxEmptyString, mi->checkable);
			pMenu->DoAppend(item);
		}
		pBar->Append(pMenu, tree->text);
	}
	SetMenuBar(pBar);
	m_MenuOwner = owner;
}

void TTaskWin::PopMenuTree()
{
	XVT_ASSERT(m_pOldBar != NULL);
  wxMenuBar* pBar = GetMenuBar();
	SetMenuBar(m_pOldBar);
	delete pBar;
	m_pOldBar = NULL;
	m_MenuOwner = NULL;  // = this;
}

TTaskWin::TTaskWin(wxWindow *parent, wxWindowID id,
           const wxString& title, const wxPoint& pos,
           const wxSize& size, long style)
				: wxFrame(parent, id, title, pos, size, style), m_menu(NULL), m_pOldBar(NULL), m_MenuOwner(NULL)
{
	wxIcon* ico = ::GetIconResource(ICON_RSRC);
	if (ico)
		SetIcon(*ico);
  _nice_windows.Put((WINDOW)this, this);
}

TTaskWin::~TTaskWin()
{
	if (m_menu)
	{
		xvt_res_free_menu_tree(m_menu);
		m_menu = NULL;
	}
  _nice_windows.Delete((WINDOW)this);
}

///////////////////////////////////////////////////////////
// Speech support
///////////////////////////////////////////////////////////

// 0   Errors
// 1   Warnings
// 2   Messages
// 3   Requests
// 7   Buttons 
static int m_nSpeechMode = 0;

void xvt_dm_enable_speech(int mode)
{
#ifdef SPEECH_API
  m_nSpeechMode = mode;
#ifdef WIN32
  if (m_nSpeechMode != 0)
  {
    if (!OsWin32_InitializeSpeech())
      m_nSpeechMode = 0;
  }
  else
  {
    OsWin32_DeinitializeSpeech();
  }
#endif
#endif
}

///////////////////////////////////////////////////////////
// XVT
///////////////////////////////////////////////////////////

void xvt_app_allow_quit(void)
{
  wxTheApp->ExitMainLoop();  // Gi<47> lo fa la destroy
}

void xvt_app_create(int argc, char **argv, unsigned long flags,
										EVENT_HANDLER eh, XVT_CONFIG *config)
{
	::wxInitAllImageHandlers();
  xvt_fsys_get_default_dir(NULL); // Init Startup Directory

#ifdef SPEECH_API
  xvt_dm_enable_speech(0xFF);
#endif

	_task_win_handler = eh;
	_config_ = config;

	const wxString title = config->taskwin_title;

#ifdef WIN32
	wxPoint pos = wxDefaultPosition;
	wxSize size = wxDefaultSize;
#else
	wxRect rect =  wxGetClientDisplayRect();
	wxPoint pos;
	wxSize size ;
	
	pos.x = rect.x;
	pos.y = rect.y;
	size.x = rect.width;
	size.y = rect.height;
#endif
	
	long style = wxDEFAULT_FRAME_STYLE;

	if (_startup_rect.right > _startup_rect.left)
	{
		pos.x = _startup_rect.left;
		pos.y = _startup_rect.top;
		size.x = _startup_rect.right - _startup_rect.left;
		size.y = _startup_rect.bottom - _startup_rect.top;
	}
	else
  {
#ifdef WIN32
		style |= wxMAXIMIZE;
#else
		style &= ~wxMAXIMIZE;
#endif
  }

  _task_win = new TTaskWin(NULL, ICON_RSRC, title, pos, size, style);
#if wxCHECK_VERSION(2,6,1)
  _task_win->SetBackgroundStyle(wxBG_STYLE_CUSTOM); // Lo sfondo viene disegnato nella OnPaint
#endif
	
	_nice_windows.Put((WINDOW)_task_win, _task_win);

	wxMenu* Menus[3];
	wxString Title[3];
	Title[0] = "&File";
  Menus[0] = new wxMenu;
	Menus[0]->Append(M_FILE_NEW, "Scelta &Ditta...");
	Menus[0]->AppendSeparator();
	Menus[0]->Append(M_FILE_PG_SETUP, "&Impostazione Stampante...");
	Menus[0]->Append(M_FILE_PRINT, "&Stampa");
	Menus[0]->AppendSeparator();
	Menus[0]->Append(M_FILE_QUIT, "&Fine");
	Title[1] = "&Modifica";
  Menus[1] = new wxMenu;
	Menus[1]->Append(M_EDIT_CUT, "&Taglia\tCtrl+X");
	Menus[1]->Append(M_EDIT_COPY, "&Copia\tCtrl+C");
	Menus[1]->Append(M_EDIT_PASTE, "&Incolla\tCtrl+V");
	Menus[1]->Append(M_EDIT_CLEAR, "&Elimina\tCanc");
	Title[2] = "&Help";
  Menus[2] = new wxMenu;
  Menus[2]->Append(M_HELP_CONTENTS, "&Sommario");
  Menus[2]->Append(M_HELP_SEARCH, "&Cerca argomento");
  Menus[2]->Append(M_HELP_HELPONHELP, "&Uso della guida");
  Menus[2]->AppendSeparator();
  Menus[2]->Append(M_FILE_ABOUT+1, "&Informazioni");
	
#ifdef WIN32
  wxMenuBar* pMenubar = new wxMenuBar(3, Menus, Title);
#else
	wxMenuBar* pMenubar = new wxMenuBar();

  for (int i= 0; i < 3; i++)
    pMenubar->Append(Menus[i], Title[i]);
#endif
	((wxFrame*)_task_win)->SetMenuBar(pMenubar);

	if (style & wxMAXIMIZE)
		((wxFrame*)_task_win)->Maximize();
  _task_win->Show();

  wxApp* a = wxTheApp;
  a->SetTopWindow(_task_win);

	EVENT e; memset(&e, 0, sizeof(e));
  e.type = E_CREATE;
	long ret = _task_win_handler((WINDOW)_task_win, &e);
	if (ret != 0)
  {
    // Simula main loop
#if wxCHECK_VERSION(2,6,1)
    xvt_app_process_pending_events();
#else
    a->MainLoop();
#endif
  }
	a->ExitMainLoop(); // Non entrare nel main loop di wxWindows
}

void xvt_app_destroy(void)
{
	wxTheApp->ExitMainLoop();
  _task_win->Destroy();

#ifdef SPEECH_API
  xvt_dm_enable_speech(0x00);
#endif
}

DRAW_CTOOLS* xvt_app_get_default_ctools(DRAW_CTOOLS *ct)
{	
	XVT_ASSERT(ct != NULL);
	TDC dc(NULL);
	memcpy(ct, &dc._dct, sizeof(DRAW_CTOOLS));
	return ct;
}

void xvt_app_process_pending_events(void)
{
  wxApp* a = wxTheApp;  // Memorizzo il risultato di wxGetInstance
	if (a != NULL)
  {
#if wxCHECK_VERSION(2,6,1)
    while (a->Pending())
		  a->Dispatch();
		a->Yield(true);
#else
    for (int m = 0; m < 4 && a->Pending(); m++)
		  a->Dispatch();
#endif
  }
}

///////////////////////////////////////////////////////////
// Clipboard functions
///////////////////////////////////////////////////////////

static DATA_PTR ptrClipboardData = NULL;

char* xvt_cb_alloc_data(long size)
{
	xvt_cb_free_data();
	if (size > 0)
    ptrClipboardData = xvt_mem_zalloc(size+1);
	return ptrClipboardData;
}

BOOLEAN xvt_cb_close(void)
{
	wxTheClipboard->Close();
	wxTheClipboard->Flush();
	return TRUE;
}

void xvt_cb_free_data(void)
{
	if (ptrClipboardData != NULL)
	{
		xvt_mem_free(ptrClipboardData);
		ptrClipboardData = NULL;
	}
}

char* xvt_cb_get_data(CB_FORMAT cbfmt, char *name, long *sizep)
{
	if (xvt_cb_has_format(cbfmt, name))
  {
    wxTextDataObject data;
    wxTheClipboard->GetData(data);
		*sizep = data.GetDataSize();
    if (*sizep > 0)
    {
		  xvt_cb_alloc_data(*sizep);
      memcpy(ptrClipboardData, data.GetText(), *sizep);
      (*sizep)--; // Elimino lo '/0' finale che non piace a XI
		  return ptrClipboardData;
    }
	}
	sizep = 0;
	return NULL;
}

BOOLEAN xvt_cb_has_format(CB_FORMAT fmt, char *name)
{
	BOOLEAN ok = fmt == CB_TEXT && wxTheClipboard->IsSupported(wxDF_TEXT);
	return ok;
}

BOOLEAN xvt_cb_open(BOOLEAN writing)
{
	wxTheClipboard->Open();
	return TRUE;
}

BOOLEAN xvt_cb_put_data(CB_FORMAT cbfmt, char *name, long size, PICTURE pic)
{
	BOOLEAN ok = cbfmt == CB_TEXT && ptrClipboardData != NULL;
	if (ok)
		wxTheClipboard->SetData(new wxTextDataObject(ptrClipboardData));
	return ok;
}

///////////////////////////////////////////////////////////
// Controls functions (NOT used)
///////////////////////////////////////////////////////////

class TwxScrollBar : public wxScrollBar
{
protected:
  virtual bool AcceptsFocus() const { return false; } // Altrimenti mette il flag wxTAB_TRAVERSAL

public:
  TwxScrollBar(wxWindow *parent, wxWindowID id,
               const wxPoint& pos, const wxSize& size, long style)
  { Create(parent, id, pos, size, style); }
};

WINDOW xvt_ctl_create_def(WIN_DEF *win_def_p, WINDOW parent_win, long app_data)
{
	WINDOW win = NULL_WIN;
  switch (win_def_p->wtype)
	{
  case WC_HSCROLL:	/* horizontal scrollbar control */
  case WC_VSCROLL:	/* vertical scrollbar control */
		{
			const wxRect rct = NormalizeRCT(&win_def_p->rct);
			long style = win_def_p->wtype == WC_HSCROLL ? wxSB_HORIZONTAL : wxSB_VERTICAL;
		  TwxScrollBar* sb = new TwxScrollBar((wxWindow*)parent_win, win_def_p->v.ctl.ctrl_id,
			                                    rct.GetPosition(), rct.GetSize(), style);
			win = (WINDOW)sb;
		}
		break;
	default:
		SORRY_BOX(); break;
	}
	return win;
}

void xvt_ctl_check_radio_button(WINDOW Win, WINDOW* Wins, int NbrWindows)
{ SORRY_BOX(); } // Ignored

void xvt_ctl_set_checked(WINDOW Win, BOOLEAN Check)
{ SORRY_BOX(); } // Ignored

///////////////////////////////////////////////////////////
// Debug functions
///////////////////////////////////////////////////////////

void xvt_debug_printf(const char* fmt, ...)
{
#ifndef NDEBUG
  static FILE* f = NULL;
  if (f == NULL)
    f = fopen("trace.log", "w");
  if (f != NULL)
  {
		char msg[256];
		va_list argptr;
		va_start(argptr,fmt);
		vsprintf(msg,fmt,argptr);
		va_end(argptr);
    fprintf(f, "%s\n", msg);
    fflush(f);
  }
#endif
}

///////////////////////////////////////////////////////////
// Dongle functions
///////////////////////////////////////////////////////////

BOOLEAN xvt_dongle_hl_crypt(unsigned short* data) // Array di 4 words (8 bytes)
{
#ifdef WIN32
  return OsWin32_HL_Crypt(data);
#else
  return OsLinux_HL_Crypt(data);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_hl_login(unsigned short address, const unsigned char* label, const unsigned char* password)
{
#ifdef WIN32
  return OsWin32_HL_Login(address, label, password);
#else
  return OsLinux_HL_Login(address, label, password);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_hl_logout()
{
#ifdef WIN32
  return OsWin32_HL_Logout();
#else
  return OsLinux_HL_Logout();
#endif
  return TRUE;
}

BOOLEAN  xvt_dongle_hl_read(unsigned short reg, unsigned short* data)
{
#ifdef WIN32
  return OsWin32_HL_Read(reg, data);
#else
  return OsLinux_HL_Read(reg, data);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_hl_read_block(unsigned char* data)
{
#ifdef WIN32
  return OsWin32_HL_ReadBlock(data);
#else
  return OsLinux_HL_ReadBlock(data);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_hl_write(unsigned short reg, unsigned short data)
{
#ifdef WIN32
  return OsWin32_HL_Write(reg, data);
#else
  return OsLinux_HL_Write(reg, data);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_sl_crypt(unsigned short* data)
{
#ifdef WIN32
  return OsWin32_SL_Crypt(data);
#else
  return OsLinux_SL_Crypt(data);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_sl_login(const unsigned char* label, const unsigned char* password)
{
#ifdef WIN32
  return OsWin32_SL_Login(label, password);
#else
  return OsLinux_SL_Login(label, password);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_sl_logout()
{
#ifdef WIN32
  return OsWin32_SL_Logout();
#else
  return OsLinux_SL_Logout();
#endif
  return TRUE;
}

BOOLEAN xvt_dongle_sl_read_block(unsigned short reg, unsigned short size, unsigned short* data)
{
#ifdef WIN32
  return OsWin32_SL_ReadBlock(reg, size, data);
#else
  return OsLinux_SL_ReadBlock(reg, size, data);
#endif
  return FALSE;
}

BOOLEAN xvt_dongle_sl_write_block(unsigned short reg, unsigned short size, const unsigned short* data)
{
#ifdef WIN32
  return OsWin32_SL_WriteBlock(reg, size, data);
#else
  return OsLinux_SL_WriteBlock(reg, size, data);
#endif
  return FALSE;
}

///////////////////////////////////////////////////////////
// Common dialogs
///////////////////////////////////////////////////////////

wxString _GetAppTitle()
{
  wxString strTitle;
  if (_config_ != NULL)
    strTitle = _config_->appl_name;
  else
    strTitle = "CAMPO";
  return strTitle;
}

COLOR xvt_dm_post_choose_color(WINDOW win, COLOR xc)
{
  CAST_COLOR(xc, wc);

  wxColourData cd;
  cd.SetChooseFull(true);
  cd.SetColour(wc);
  for (int i = 0; i < 16; i++)
  {
    const unsigned char val   = (i & 0x8) ? 255 : 127;
    const unsigned char red   = (i & 0x1) ? val : 0;
    const unsigned char green = (i & 0x2) ? val : 0;
    const unsigned char blue  = (i & 0x4) ? val : 0;
    wxColour col(red, green, blue);
    cd.SetCustomColour(i, col);
  }

  CAST_WIN(win, w);
  wxColourDialog dialog(&w, &cd);
  if (dialog.ShowModal() == wxID_OK)
    xc = MAKE_XVT_COLOR(dialog.GetColourData().GetColour());

  return xc;
}


class TwxCalendarDlg : public wxDialog
{
  enum { ID_CAL = 1883 };
  wxDateTime& m_date;
  wxCalendarCtrl* m_cal;

protected:
  virtual bool TransferDataFromWindow();
  void OnCalendar(wxCalendarEvent& event);

public:
  TwxCalendarDlg(wxWindow* parent, const wxPoint& pnt, wxDateTime& date);

  DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(TwxCalendarDlg, wxDialog)
    EVT_CALENDAR(wxID_ANY, TwxCalendarDlg::OnCalendar)
END_EVENT_TABLE()

void TwxCalendarDlg::OnCalendar(wxCalendarEvent& event)
{
  wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  AddPendingEvent(evt);
}

bool TwxCalendarDlg::TransferDataFromWindow()
{
  bool ok = wxDialog::TransferDataFromWindow();
  if (ok)
  {
    m_date = m_cal->GetDate();
  }
  return ok;
}

TwxCalendarDlg::TwxCalendarDlg(wxWindow* parent, const wxPoint& pnt, wxDateTime& date) 
              : wxDialog(parent, wxID_ANY, "Data", pnt, wxDefaultSize, wxRAISED_BORDER), m_date(date)
{

  m_cal = new wxCalendarCtrl(this, ID_CAL, m_date,
                             pnt, wxDefaultSize,
                             wxCAL_MONDAY_FIRST | wxCAL_SHOW_HOLIDAYS | wxCAL_SHOW_SURROUNDING_WEEKS);

  wxButton* button = new wxButton(this, wxID_OK, "OK");

  wxGridSizer* sizer = new  wxFlexGridSizer(2, 1, 8, 8);
  sizer->Add(m_cal, 0, wxALIGN_CENTER);
  sizer->Add(button, 0, wxALIGN_CENTER);
  SetSizer(sizer);
  sizer->SetSizeHints(this);
}

unsigned int xvt_dm_post_choose_date(WINDOW win, PNT pos, unsigned int ansidate)
{
  int d = ansidate%100;
  int m = (ansidate/100)%100;
  int y = ansidate / 10000;

  wxDateTime date;
  if (d >= 1 && d <= 31 && m >= 1 && m <= 12 && y > 1900)
    date.Set(d, wxDateTime::Month(m-1), y);
  else
    date = wxDateTime::Today();
  
  CAST_WIN(win, w);

  wxPoint pnt(pos.h, pos.v);
  if (pos.h < 0 || pos.v < 0)
    pnt = wxDefaultPosition;
  else
    pnt = w.ClientToScreen(pnt);

  wxDialog* dlg = new TwxCalendarDlg(&w, pnt, date);

  if (dlg->ShowModal() == wxID_OK)
  {
    d = date.GetDay();
    m = date.GetMonth()+1;
    y = date.GetYear();
    ansidate = y*10000 + m*100 + d;
  }
  dlg->Destroy();
  
  return ansidate;
}

BOOLEAN xvt_dm_post_speech(const char* text, int priority, BOOLEAN async)
{
  BOOLEAN ok = FALSE;
#ifdef SPEECH_API
  if ((m_nSpeechMode & (1 << priority)) != 0)
  {
#ifdef WIN32
    ok = OsWin32_Speak(text, async != 0);
#endif
  }
#endif
  return ok;
}

ASK_RESPONSE xvt_dm_post_ask(const char* Btn1, const char*Btn2, const char* Btn3, const char* fmt)
{
  int nFlags = wxCENTRE | wxICON_QUESTION | wxYES_NO;
  if (Btn3 == NULL)
  {
    if (wxStricmp(Btn1, "no") == 0)
      nFlags |= wxNO_DEFAULT;
  }
  else
    nFlags |= wxCANCEL;

  xvt_dm_post_speech(fmt, 3, TRUE);
  const int answer = wxMessageBox(fmt, _GetAppTitle(), nFlags);

  switch(answer)
  {
  case wxYES: xvt_dm_post_speech("si", 7, TRUE); break;
  case wxNO : xvt_dm_post_speech("no", 7, TRUE); break;
  default   : xvt_dm_post_speech("annulla", 7, TRUE); break;
  }

  return answer == wxYES ? RESP_DEFAULT : (answer == wxNO ? RESP_2 : RESP_3);
}

void xvt_dm_post_error(const char *fmt)
{
  xvt_dm_post_speech(fmt, 1, TRUE);
  wxMessageBox(fmt, _GetAppTitle(), wxOK | wxCENTRE | wxICON_ERROR);
  xvt_dm_post_speech("OK", 7, TRUE);
}

void xvt_dm_post_fatal_exit(const char *fmt)
{
  xvt_dm_post_speech(fmt, 1, TRUE);
  wxLogFatalError(fmt);
  xvt_dm_post_speech("OK", 7, TRUE);
}

static wxString MakeFileName(const wxChar* name, const wxChar* ext)
{
  wxString f = name;
  if (ext && *ext)
  {
    if (*ext != '.')
      f += '.';
    f += ext;
  }
  return f;
}

static FL_STATUS xvt_dm_post_file_ask(FILE_SPEC *fsp, const char *msg, int flags)
{
	wxString path = fsp->dir.path;
	wxString name = MakeFileName(fsp->name, fsp->type);
	wxString extension = fsp->type;
  wxString mask = MakeFileName("*", fsp->type);

  wxString selectedname = wxFileSelector(msg, path, name, extension , mask, flags);
  if (selectedname.IsEmpty())
  	return FL_CANCEL;

  wxFileName::SplitPath(selectedname, &path, &name, &extension);
  strcpy(fsp->dir.path, path);
	strcpy(fsp->name, MakeFileName(name, extension));
	strcpy(fsp->type, extension);

  return FL_OK;
}

FL_STATUS xvt_dm_post_file_open(FILE_SPEC *fsp, const char *msg)
{
#if wxCHECK_VERSION(2,6,1)
	const int flags = wxOPEN | wxFILE_MUST_EXIST;
#else
	const int flags = wxOPEN | wxHIDE_READONLY | wxFILE_MUST_EXIST;
#endif
  return xvt_dm_post_file_ask(fsp, msg, flags);
}

FL_STATUS xvt_dm_post_file_save(FILE_SPEC *fsp, const char *msg)
{
#if wxCHECK_VERSION(2,6,1)
	const int flags = wxSAVE;
#else
	const int flags = wxSAVE | wxHIDE_READONLY;
#endif
  return xvt_dm_post_file_ask(fsp, msg, flags);
}

FL_STATUS xvt_dm_post_dir_sel(DIRECTORY *dir)
{
  wxDirDialog dlg(_task_win);
	dlg.SetPath(dir->path);
	if (dlg.ShowModal() == wxID_OK)
	{
		xvt_fsys_convert_str_to_dir(dlg.GetPath(), dir);
		return FL_OK;
	}
	return FL_CANCEL;
}

BOOLEAN xvt_dm_post_font_sel(WINDOW win, XVT_FNTID font_id, PRINT_RCD *precp, unsigned long reserved)
{
	TFontId& font = *(TFontId*)font_id;
	wxFontData data;
	data.SetInitialFont(font.Font(NULL, win));
	data.EnableEffects(reserved != 0);
  wxFontDialog dlg(_task_win, &data);
	BOOLEAN ok = dlg.ShowModal() == wxID_OK;
  if (ok)
	{
    font.Copy(dlg.GetFontData().GetChosenFont());
    if (win == (WINDOW)_task_win)
    {
      EVENT e; memset(&e, 0, sizeof(EVENT));
	    e.type = E_FONT;
		  e.v.font.font_id = font_id;
	    _task_win_handler(win, &e);
    }
	}
	return ok;
}

void xvt_dm_post_message(const char *fmt)
{
  xvt_dm_post_speech(fmt, 2, TRUE);
  wxMessageBox(fmt, _GetAppTitle(), wxOK | wxCENTRE | wxICON_INFORMATION);
  xvt_dm_post_speech("OK", 7, TRUE);
}

void xvt_dm_post_note(const char *fmt)
{
  xvt_dm_post_speech(fmt, 2, TRUE);
  wxMessageBox(fmt, _GetAppTitle(), wxOK | wxCENTRE | wxICON_EXCLAMATION);
  xvt_dm_post_speech("OK", 7, TRUE);
}

char* xvt_dm_post_string_prompt(const char* message, char* response, int response_len)
{
	XVT_ASSERT(message && response && response_len > 0);
	SORRY_BOX();
	*response = '\0';
	return NULL;
}

void xvt_dm_post_warning(const char *fmt)
{
  xvt_dm_post_speech(fmt, 1, TRUE);
  wxMessageBox(fmt, _GetAppTitle(), wxOK | wxCENTRE | wxICON_EXCLAMATION);
  xvt_dm_post_speech("OK", 7, TRUE);
}

///////////////////////////////////////////////////////////
// Help system
///////////////////////////////////////////////////////////

struct XVAGA_HELP_INFO
{
	wxString m_strFilename;
	bool m_hlp;
} help_info;

XVT_HELP_INFO xvt_help_open_helpfile(FILE_SPEC *fs, unsigned long flags)
{
	return (XVT_HELP_INFO)&help_info;
}

void xvt_help_close_helpfile(XVT_HELP_INFO hi)
{
  if (hi == NULL_HELP_INFO)
		hi = (XVT_HELP_INFO)&help_info;
}

BOOLEAN xvt_help_process_event(XVT_HELP_INFO hi, WINDOW win, EVENT *ev)
{
  BOOLEAN bProcessed = FALSE;

#ifdef WIN32
	WXHWND hwnd = (WXHWND)xvt_vobj_get_attr(win, ATTR_NATIVE_WINDOW);
	switch (ev->type)
	{
	case E_COMMAND:
		bProcessed = OsWin32_Help(hwnd, "", ev->v.cmd.tag, NULL);
		break;
	case E_HELP:
		bProcessed = OsWin32_Help(hwnd, "", M_HELP_ONCONTEXT, (const char*)ev->v.help.tid);
		break;
  default:
		break;
	}
#endif // WIN32

	return bProcessed;
}

///////////////////////////////////////////////////////////
// Image handling
///////////////////////////////////////////////////////////

class TXVT_IMAGE
{
	wxImage m_image;
  int m_nDepth;
	bool m_bDirty;

#ifdef WIN32
  HBITMAP m_bitmap;
#else
 	wxBitmap* m_bitmap;
#endif

protected:
  void Destroy();

public:
	const wxImage& Image() const { return m_image; }
	wxImage& Image() { m_bDirty = true; return m_image; }
	
#ifdef WIN32
  HBITMAP Bitmap(wxDC& dc);
#else
  const wxBitmap& Bitmap(wxDC& dc);
#endif
	
  TXVT_IMAGE() : m_bitmap(NULL), m_nDepth(0), m_bDirty(false) { }
  ~TXVT_IMAGE();
};

#ifdef WIN32

HBITMAP TXVT_IMAGE::Bitmap(wxDC& dc)
{
	if (m_bDirty || m_bitmap == NULL || dc.GetDepth() != m_nDepth)
	{
    Destroy();
    m_nDepth = dc.GetDepth();
		m_bDirty = FALSE;
    m_bitmap = OsWin32_CreateBitmap(m_image, dc);
	}
	return m_bitmap;
}

#else

const wxBitmap& TXVT_IMAGE::Bitmap(wxDC& dc)
{
	if (m_bDirty || m_bitmap == NULL || dc.GetDepth() != m_nDepth)
	{
    Destroy();
    m_nDepth = dc.GetDepth();
		m_bDirty = FALSE;
    m_bitmap = new wxBitmap(m_image, m_nDepth);
	}
	return *m_bitmap;
}

#endif

void TXVT_IMAGE::Destroy()
{
  if (m_bitmap != NULL)
#ifdef WIN32
    ::DeleteObject(m_bitmap);
#else
    delete m_bitmap;
#endif
  m_bitmap = NULL;
}

TXVT_IMAGE::~TXVT_IMAGE()
{
  Destroy();
}

///////////////////////////////////////////////////////////
// Font Handling
///////////////////////////////////////////////////////////

void TFontId::Copy(const TFontId& rFont)
{
	m_strFace = rFont.m_strFace;
	m_nSize = rFont.m_nSize;
	m_wMask = rFont.m_wMask;
	m_win = rFont.m_win;
}

bool TFontId::IsEqual(const TFontId& rFont) const
{
	if (m_strFace != rFont.m_strFace)
		return false;
	if (m_nSize != rFont.m_nSize)
		return false;
	if (m_wMask != rFont.m_wMask)
		return false;
	return true;
}

const char* TFontId::FaceName() const
{
	if (m_strFace.IsEmpty())
		return XVT_FFN_COURIER;
	return m_strFace;
}

int TFontId::Family() const
{
	if (m_strFace.IsEmpty() || m_strFace == XVT_FFN_COURIER)
  	return wxMODERN;
	if (m_strFace == XVT_FFN_HELVETICA)
		return wxSWISS;
	if (m_strFace == XVT_FFN_TIMES)
		return wxROMAN;
	if (m_strFace == XVT_FFN_FIXED)
		return wxMODERN;
	if (m_strFace == XVT_FFN_SYSTEM)
		return wxDEFAULT;
	return wxSWISS;
}

int TFontId::Style() const
{
	return (m_wMask & XVT_FS_ITALIC) ? wxITALIC : wxNORMAL;
}

bool TFontId::Underline() const
{
	return (m_wMask & XVT_FS_UNDERLINE) != 0;
}

int TFontId::Weight() const
{
 	return (m_wMask & XVT_FS_BOLD) ? wxBOLD : wxNORMAL;
}

wxFont& TFontId::Font(wxDC* dc, WINDOW win) const
{
 	int nSize = PointSize();
	if (win == PRINTER_WIN)
	{
    static wxDC* lastDC = NULL;
		static double dPrintScale = 1.0;
		if (dc != lastDC)
		{
#ifdef WIN32
      const char* DEFAULT_FONT_NAME = "Courier New";
#else
      const char* DEFAULT_FONT_NAME = "Courier";
#endif

  		const wxSize ppi = dc->GetPPI();


      const int nTarget10 = 10 * ppi.x;   // pixel in 10 pollici in larghezza
      const int cpi10 = 10 * 120 / nSize; // caratteri stimati in 10 pollici
      const wxString str('M', cpi10);     // stringa campione per stimare la larghezza  

      int nMin = 1, nMax = nSize*16;  // Limiti arbitrari
      int nBest = 0;
      while (nMin <= nMax)
      {
        const int nFontSize = (nMin+nMax)/2;
        wxFont courier(nFontSize, wxFIXED, wxNORMAL, wxNORMAL, FALSE, DEFAULT_FONT_NAME);

	  		dc->SetFont(courier);
				int tw;	dc->GetTextExtent(str, &tw, NULL);
        if (tw <= nTarget10)
        {
          nMin = nFontSize+1;
          nBest = nFontSize;
          if (tw == nTarget10)
            break;
        }
        else
          nMax = nFontSize-1;
      }
      if (nBest == 0)
        nBest = nMax;

/*
#ifdef WIN32
      // Pezza per cercare di ovviare a dimensioni assurde calcolate dai sistemi NON XP
      int major, minor;
      const int nVer = ::wxGetOsVersion(&major, &minor);
      if (nVer != wxWINDOWS_NT)

      {
        bool bPrevGood = true;
        for (int i = 15; i > 0; i--)
        {
          const int nFontSize = nBest-i;
          wxFont courier(-nFontSize, Family(), wxNORMAL, wxNORMAL, FALSE, DEFAULT_FONT_NAME);
	  		  dc->SetFont(courier);
				  int tw;	dc->GetTextExtent(str, &tw, NULL);
          if (tw > nTarget10 && bPrevGood)
          {
            nBest = nFontSize-1;
            break;
          }
          bPrevGood = tw <= nTarget10;
        }
      }
#endif
*/

      dPrintScale = double(nBest) / double(nSize);
#ifdef LINUX
     	dPrintScale /= 10.0; // * wxPostScriptDC::GetResolution()) / 72.0);

#endif
			lastDC = dc;
    }
		nSize = (int)(nSize * dPrintScale + 0.5); 
	}

	wxFont* font = wxTheFontList->FindOrCreateFont(
  				       nSize, Family(), Style(), Weight(), Underline(), FaceName());
  return *font;
}

void TFontId::Copy(const wxFont& rFont)
{
	m_strFace = rFont.GetFaceName();
	m_nSize = rFont.GetPointSize();
	m_wMask = XVT_FS_NONE;
	if (rFont.GetUnderlined())
    m_wMask |= XVT_FS_UNDERLINE;
	if (rFont.GetWeight() >= wxBOLD)
    m_wMask |= XVT_FS_BOLD;
	if (rFont.GetStyle() == wxITALIC)
    m_wMask |= XVT_FS_ITALIC;
	m_win = NULL_WIN;
}


///////////////////////////////////////////////////////////
// Drawable windows
///////////////////////////////////////////////////////////

void xvt_dwin_clear(WINDOW win, COLOR col)
{
	CAST_DC(win, dc);
	CAST_COLOR(col, brush_color);

	wxBrush* brush = wxTheBrushList->FindOrCreateBrush(brush_color, wxSOLID);
	dc.SetBackground(*brush);
	dc.Clear();
}

void xvt_dwin_draw_arc(WINDOW win, const RCT* r, int sx, int sy, int ex, int ey)
{ 
  if (r != NULL)
  {
	  CAST_DC(win, dc);
    dc.DrawArc(sx, sy, ex, ey, (r->right+r->left)/2, (r->top+r->bottom)/2);
  }
}

void xvt_dwin_draw_icon(WINDOW win, int x, int y, int rid)
{
	wxIcon* ico = ::GetIconResource(rid);
	if (ico != NULL)
	{
  	CAST_DC(win, dc);
	  dc.DrawIcon(*ico, x, y);
	}
}

static wxRect ComputeRect(const wxRect& rct, int h, int v, int k)
{
  const int sx = rct.x + h * rct.width / k;
  const int ex = rct.x + (h+1) * rct.width / k;
  const int sy = rct.y + v * rct.height / k;
  const int ey = rct.y + (v+1) * rct.height / k;
  return wxRect(sx, sy, ex-sx, ey-sy);
}

static void DrawImageOnDC(wxDC& dc, TXVT_IMAGE* image, const wxRect& dst, const wxRect& src)
{
#ifdef WIN32		
  if (!OsWin32_DrawBitmap(image->Bitmap(dc), dc, dst, src))
  {
    const int k = 4;
    for (int h = 0; h < k; h++)
    {
      for (int v = 0; v < k; v++)
      {
        const wxRect destin = ComputeRect(dst, h, v, k);
        wxRect source = ComputeRect(src, h, v, k);
        wxImage img = image->Image().GetSubImage(source);
        source.x = source.y = 0;
        wxBitmap bmp(img);
        OsWin32_DrawBitmap((HBITMAP)bmp.GetHBITMAP(), dc, destin, source);
      }
    }
  }
#else
  const wxBitmap& bmp = image->Bitmap(dc);
  const bool printing = is_printer_dc(&dc);
      
	if (src.GetPosition() == wxPoint(0,0) && src.GetSize() == dst.GetSize() && bmp.Ok())
		dc.DrawBitmap(bmp, dst.GetX(), dst.GetY(), !printing);
	else
	{
    wxImage img = image->Image().GetSubImage(src);
 		
		if (dst.GetHeight() < src.GetHeight() ||
		    dst.GetWidth() < src.GetWidth())
	 		img.Rescale(dst.GetWidth() * 4, dst.GetHeight() * 4);
 		img.Rescale(dst.GetWidth(), dst.GetHeight());
    wxBitmap bmp(img);
		dc.DrawBitmap(bmp, dst.GetX(), dst.GetY(), !printing);
 }
#endif
}

void xvt_dwin_draw_image(WINDOW win, XVT_IMAGE image, RCT* dest, RCT* source)
{
	XVT_ASSERT(image != NULL);
	if (image != NULL)
	{
    if (xvt_dwin_is_update_needed(win, dest))
    {
		  CAST_DC(win, dc);
		  const wxRect src = NormalizeRCT(source);
		  const wxRect dst = NormalizeRCT(dest);
      DrawImageOnDC(dc, (TXVT_IMAGE*)image, dst, src);
    }
	}
}

void xvt_dwin_draw_oval(WINDOW win, const RCT* rctp) 
{ 
  CAST_DC(win, dc);
	const wxRect rct = NormalizeRCT(rctp);
	dc.DrawEllipse(rct);
}

void xvt_dwin_draw_pie(WINDOW win, const RCT *rctp, int start_x, int start_y, int stop_x, int stop_y) 
{ SORRY_BOX(); }

void xvt_dwin_draw_polygon(WINDOW win, const PNT *lpnts, int npnts)
{
  if (lpnts != NULL && npnts > 1)
  {
    CAST_DC(win, dc);
    wxPoint* pt = new wxPoint[npnts];
    for (int i = 0; i < npnts; i++)
    {
      pt[i].x = lpnts[i].h;
      pt[i].y = lpnts[i].v;
    }
    dc.DrawPolygon(npnts, pt);
    delete pt;
  }
}

void xvt_dwin_draw_polyline(WINDOW win, const PNT *lpnts, int npnts)
{
  if (lpnts != NULL && npnts > 1)
  {
    xvt_dwin_draw_set_pos(win, lpnts[0]);
    for (int i = 1; i < npnts; i++)
      xvt_dwin_draw_line(win, lpnts[i]);
  }
}

void xvt_dwin_draw_rect(WINDOW win, RCT *rctp)
{
  CAST_DC(win, dc);
	const wxRect rct = NormalizeRCT(rctp);
	dc.DrawRectangle(rct);
}

void xvt_dwin_draw_roundrect(WINDOW win, const RCT *rctp, int oval_width, int oval_height)
{
  CAST_DC(win, dc);
	const wxRect rct = NormalizeRCT(rctp);
	dc.DrawRoundedRectangle(rct, min(oval_width, oval_height));
}

void xvt_dwin_draw_dotted_rect(WINDOW win, RCT *rctp)
{
#ifdef WIN32
  static int can_draw_dots = -1;
  if (can_draw_dots < 0)
    can_draw_dots = xvt_sys_get_os_version() >= XVT_WS_WIN_NT;
  if (can_draw_dots)
  {
    CAST_DC(win, dc);
    OsWin32_DrawDottedRect(dc.GetHDC(), rctp->left, rctp->top, rctp->right, rctp->bottom);
    return;
  }
#endif
  DRAW_CTOOLS dct;
  xvt_dwin_get_draw_ctools(win, &dct);

 	CPEN pen;
	pen.width = 1;
	pen.pat = PAT_SOLID;
	pen.style = P_DOT;
	pen.color = dct.fore_color;
  xvt_dwin_set_cpen(win, &pen);

 	CBRUSH brush;
  brush.color = dct.back_color;
  brush.pat = PAT_HOLLOW;
  xvt_dwin_set_cbrush(win, &brush);

  xvt_dwin_draw_rect(win, rctp);

  xvt_dwin_set_draw_ctools(win, &dct);
}

void xvt_dwin_draw_set_pos(WINDOW win, PNT pnt)
{
	CAST_TDC(win, dc);
	dc._pnt.x = pnt.h;
	dc._pnt.y = pnt.v;
}

void xvt_dwin_draw_text(WINDOW win, int x, int y, const char *s, int len)
{
  if (s && *s && len != 0)
	{
    CAST_TDC(win, tdc);
    RCT rct; 
    const bool noclip = !tdc.GetClippingBox(&rct);
    if (noclip || x < rct.right)
    {
		  wxString str(s);
		  if (len >= 0)
			  str.Truncate(len);
		  wxDC& dc = tdc.GetDC();               // Prima getto il DC ...
      const int delta = tdc.GetFontDelta(); // ... poi faccio la GetFontDelta!
#ifdef LINUX
			if (tdc._dct.opaque_text)
			{
				RCT back;	
				back.left = x;
				back.right = x + xvt_dwin_get_text_width(win, str, -1);
				back.top = y - delta;
				back.bottom = y;
				CAST_COLOR(tdc._dct.back_color, brush_color);

				wxBrush* brush = wxTheBrushList->FindOrCreateBrush(brush_color, wxSOLID);
				const wxBrush & old_brush = dc.GetBrush();
				const wxPen & old_pen = dc.GetPen();
				const wxRect rct = NormalizeRCT(&back);

				dc.SetBrush(*brush);
				dc.SetPen(*wxTRANSPARENT_PEN);
				dc.DrawRectangle(rct);
				dc.SetBrush(old_brush);
				dc.SetPen(old_pen);
			}
#endif      
      dc.DrawText(str, x, y-delta);
    }
	}
}

RCT* xvt_dwin_get_clip(WINDOW win, RCT* rct)
{
  CAST_TDC(win, dc);
	dc.GetClippingBox(rct);
	return rct;
}

DRAW_CTOOLS* xvt_dwin_get_draw_ctools(WINDOW win, DRAW_CTOOLS *ctoolsp)
{
  CAST_TDC(win, dc);
	memcpy(ctoolsp, &dc._dct, sizeof(DRAW_CTOOLS));
	return ctoolsp;
}

XVT_FNTID xvt_dwin_get_font(WINDOW win)
{
  CAST_TDC(win, dc);
	TFontId* pFont = new TFontId(dc._font);
	return pFont;
}

void xvt_dwin_get_font_metrics(WINDOW win, int *leadingp, int *ascentp, int *descentp)
{
	CAST_DC(win, dc);
  const wxString str = "Mq";
	int height, desc, lead;

  dc.GetTextExtent(str, NULL, &height, &desc, &lead);
	if (leadingp)
		*leadingp = lead;
  if (ascentp)
		*ascentp = height-lead-desc;
	if (descentp)
		*descentp = desc;
}

long xvt_dwin_get_font_size_mapped(WINDOW win)
{
	CAST_WIN(win, dc);
  const wxFont& font = dc.GetFont();
  int height = font.GetPointSize();
	return height;
}

int xvt_dwin_get_text_width(WINDOW win, const char *s, int len)
{
	int width = 0, height;

	if (s && *s && len != 0)
	{
		CAST_DC(win, dc);
		wxString str = s;
		if (len >= 0)
			str.Truncate(len);
		if (str.StartsWith("ABCDEFGH") || str.StartsWith("MMMMMMMM"))
		{
			const wxString emme('G', str.Length()); // Questa lettera cambia con le mode
			str = emme;
		}
		dc.GetTextExtent(str, &width, &height);
	}	

	return width;
}

void xvt_dwin_invalidate_rect(WINDOW win, RCT* rctp)
{
	CAST_WIN(win, w);
	if (rctp)
	{
		const wxRect rct = NormalizeRCT(rctp);
		w.Refresh(FALSE, &rct);
	}
	else
	{
		w.Refresh(FALSE);
	}
}

BOOLEAN xvt_dwin_is_update_needed(WINDOW win, RCT* rctp)
{
	if (win != NULL_WIN && rctp != NULL)
	{
    if (win == PRINTER_WIN || win == SCREEN_WIN)
      return TRUE;
    CAST_WIN(win, w);
    const wxRect rect1 = NormalizeRCT(rctp);
		const wxRect rect2 = w.GetUpdateRegion().GetBox();
    return RectIntersect(rect1, rect2);
	}
	return FALSE;
}

void xvt_dwin_scroll_rect(WINDOW win, RCT *rctp, int dh, int dv)
{
	if (dh != 0 || dv != 0)
	{
		CAST_WIN(win, w);
		if (rctp != NULL)
		{
  		wxRect rct = NormalizeRCT(rctp);
			if (rct.width > 0 && rct.height > 0)			
#ifdef WIN32
			  w.ScrollWindow(dh, dv, &rct);
#else
				xvt_dwin_invalidate_rect(win, rctp);
#endif
		}
		else
			w.ScrollWindow(dh, dv);
	}
}

void xvt_dwin_set_back_color(WINDOW win, COLOR color)
{
	CAST_TDC(win, dc);
	dc._dct.back_color = color;
	dc.SetDirty();
}

void xvt_dwin_set_cbrush(WINDOW win, CBRUSH* cbrush)
{
	CAST_TDC(win, dc);
	memcpy(&dc._dct.brush, cbrush, sizeof(CBRUSH));
	dc.SetDirty();
}

void xvt_dwin_set_clip(WINDOW win, const RCT* rctp)
{
	CAST_TDC(win, dc);
	dc.SetClippingBox(rctp);
}

void xvt_dwin_set_cpen(WINDOW win, CPEN* cpen)
{ 	
	CAST_TDC(win, dc);
	memcpy(&dc._dct.pen, cpen, sizeof(CPEN));
	dc.SetDirty();
}

void xvt_dwin_set_draw_ctools(WINDOW win, DRAW_CTOOLS* xct)
{
	CAST_TDC(win, dc);
	memcpy(&dc._dct, xct, sizeof(DRAW_CTOOLS));
	dc.SetDirty();
}

void xvt_dwin_set_draw_mode(WINDOW win, DRAW_MODE mode)
{
	CAST_TDC(win, dc);
	dc._dct.mode = mode;
	dc.SetDirty();
}

void xvt_dwin_set_font(WINDOW win, XVT_FNTID font_id)
{
	XVT_ASSERT(font_id != NULL);
	CAST_TDC(win, dc);
	const TFontId& font = *(const TFontId*)font_id;
	if (dc._font != font)
	{
	  dc._font = font;
    dc.SetDirty();
	}
}

void xvt_dwin_set_fore_color(WINDOW win, COLOR color)
{
	CAST_TDC(win, dc);
	dc._dct.fore_color = color;
	dc.SetDirty();
}

void xvt_dwin_set_std_cbrush(WINDOW win, long flag)
{
  CBRUSH brush;
  brush.pat = PAT_SOLID;
  switch (flag)
  {
  case TL_BRUSH_BLACK: brush.color = COLOR_BLACK; break;
  case TL_BRUSH_WHITE: brush.color = COLOR_WHITE; break;
  default: SORRY_BOX(); break;
  }
	xvt_dwin_set_cbrush(win, &brush);
}

void xvt_dwin_set_std_cpen(WINDOW win, long flag)
{
	CPEN pen; memset(&pen, 0, sizeof(CPEN));
	pen.style = P_SOLID;
  pen.pat = PAT_SOLID;
	
	switch(flag)
	{
	case TL_PEN_BLACK : pen.color = COLOR_BLACK;  break;
  case TL_PEN_DKGRAY: pen.color = COLOR_DKGRAY; break;
  case TL_PEN_GRAY  : pen.color = COLOR_GRAY;   break;
  case TL_PEN_LTGRAY: pen.color = COLOR_LTGRAY; break;
	case TL_PEN_WHITE : pen.color = COLOR_WHITE;  break;
	case TL_PEN_HOLLOW: pen.pat = PAT_HOLLOW; break;
	case TL_PEN_RUBBER: pen.pat = PAT_RUBBER; break;
	default: SORRY_BOX(); break;
	}
	xvt_dwin_set_cpen(win, &pen);
}

void xvt_dwin_draw_line(WINDOW win, PNT pnt)
{
	CAST_TDC(win, tdc);
	const wxPoint to(pnt.h, pnt.v);
  wxDC& dc = tdc.GetDC();
	if (tdc._pnt != to)
	  dc.DrawLine(tdc._pnt, to);
  dc.DrawPoint(to);
	tdc._pnt = to;
}

void xvt_dwin_update(WINDOW win)
{
 	CAST_WIN(win, w);
  w.Update();
}

///////////////////////////////////////////////////////////
// Debug functions
///////////////////////////////////////////////////////////

XVT_ERRSEV xvt_errmsg_get_sev_id(XVT_ERRMSG err)
{
	return (XVT_ERRSEV)err;
}

///////////////////////////////////////////////////////////
// Fonts
///////////////////////////////////////////////////////////

void xvt_font_copy(XVT_FNTID dest_font_id, XVT_FNTID src_font_id, XVT_FONT_ATTR_MASK mask)
{
	XVT_ASSERT(dest_font_id && src_font_id && mask == XVT_FA_ALL);
	TFontId* dst = (TFontId*)dest_font_id;
	TFontId* src = (TFontId*)src_font_id;
	*dst = *src;
}

XVT_FNTID xvt_font_create(void)
{
	TFontId* pFont = new TFontId;
	return (XVT_FNTID)pFont;
}

void xvt_font_deserialize(XVT_FNTID font_id, const char* buf)
{
  // 01\\Courier\\0\\10\\WIN01/-13/0/0/0/400/0/0/0/0/1/2/1/49/Courier

	TFontId& font = *(TFontId*)font_id;
	char* s = strchr(buf, '/');
	if (s == NULL)
		return;
	const int nSize = atoi(s+1);
	if (nSize > 0)
	  font.SetPointSize(nSize);
	else
		font.SetPointSize(-nSize * 10 / 13);

	// Ignore 4 fields
	int i;
	for (i = 0; i < 4; i++)
	{
	  s = strchr(s+1, '/');
	  if (s == NULL)
			return;
	}
  s++;
	const int nWeight = atoi(s);
	if (nWeight >= 600)
		font.SetMask(font.Mask() | XVT_FS_BOLD);

  s = strchr(s, '/');
  if (s == NULL)
		return;
	const int nItalic = atoi(s+1);
	if (nItalic)
		font.SetMask(font.Mask() | XVT_FS_ITALIC);

	// Ignore 8 fields
	for (i = 0; i < 8; i++)
	{
	  s = strchr(s+1, '/');
	  if (s == NULL)
			return;
	}

	font.SetFaceName(s+1);
	font.SetWin(NULL_WIN);
}

void xvt_font_destroy(XVT_FNTID font_id)
{
	delete (TFontId*)font_id;
}

BOOLEAN xvt_font_get_family(XVT_FNTID font_id, char* buf, long max_buf)
{
  const TFontId& font = *(TFontId*)font_id;
	strncpy(buf, font.FaceName(), max_buf);
	buf[max_buf-1] = '\0';
	return TRUE;
}

BOOLEAN xvt_font_get_family_mapped(XVT_FNTID font_id, char* buf, long max_buf)
{ return xvt_font_get_family(font_id, buf, max_buf); }

void xvt_font_get_metrics(XVT_FNTID font_id, int *leadingp, int *ascentp, int *descentp)
{
  const TFontId& font = *(TFontId*)font_id;
	WINDOW win = font.Win();
	if (win == NULL_WIN)
		win = TASK_WIN;
	CAST_DC(win, dc);
  const wxString str = "Mq";
	int height, desc, lead;
  dc.GetTextExtent(str, NULL, &height, &desc, &lead, &font.Font(&dc, win));
	if (leadingp)
		*leadingp = lead;
  if (ascentp)
		*ascentp = height-desc-lead;
	if (descentp)
		*descentp = desc;
}

BOOLEAN xvt_font_get_native_desc(XVT_FNTID font_id, char *buf, long max_buf)
{
  long len = xvt_font_serialize(font_id, buf, max_buf);
	return len > 0;
}

long xvt_font_get_size(XVT_FNTID font_id)
{
	return ((TFontId*)font_id)->PointSize();
}

XVT_FONT_STYLE_MASK xvt_font_get_style(XVT_FNTID font_id)
{
	return ((TFontId*)font_id)->Mask();
}

WINDOW xvt_font_get_win(XVT_FNTID font_id)
{
	return ((TFontId*)font_id)->Win();
}

BOOLEAN xvt_font_is_mapped(XVT_FNTID font_id)
{
	bool yes = ((TFontId*)font_id)->Win() != NULL_WIN;
	return yes;
}

void xvt_font_map(XVT_FNTID font_id, WINDOW win)
{
	TFontId* pFont = (TFontId*)font_id;
	pFont->SetWin(win);
}

void xvt_font_map_using_default(XVT_FNTID font_id)
{
	xvt_font_map(font_id, TASK_WIN);
}

void xvt_font_set_family(XVT_FNTID font_id, const char* family)
{
	TFontId& font = *(TFontId*)font_id;
  font.SetFaceName(family);
}

void xvt_font_set_size(XVT_FNTID font_id, long size)
{
	TFontId& font = *(TFontId*)font_id;
	font.SetPointSize(size);
}

void xvt_font_set_style(XVT_FNTID font_id, XVT_FONT_STYLE_MASK mask)
{
	TFontId& font = *(TFontId*)font_id;
	font.SetMask(mask);
}

long xvt_font_serialize(XVT_FNTID font_id, char *buf, long max_buf)
{
  // 01\\Courier\\0\\10\\WIN01/-13/0/0/0/400/0/0/0/0/1/2/1/49/Courier

	TFontId& font = *(TFontId*)font_id;
  const char* name = font.FaceName();
	const int size = font.PointSize();
	const int italic = (font.Mask() & XVT_FS_ITALIC) != 0;
	const int weight = 400; // Normal size

  wxString str;
	str = wxString::Format("01\\%s\\0\\%d\\WIN01/%d/%d/0/0/%d/0/0/0/0/0/0/0/0/%s",
		                     name, size, size, weight, italic, name);

  strncpy(buf, str, max_buf);
	buf[max_buf-1] = '\0';
	return strlen(buf);
}

void xvt_font_unmap(XVT_FNTID font_id)
{
	TFontId& font = *(TFontId*)font_id;
	font.SetWin(NULL_WIN);
}

///////////////////////////////////////////////////////////
// File system
///////////////////////////////////////////////////////////

BOOLEAN xvt_fsys_build_pathname(char *mbs, const char *volname, const char *dirname, const char *leafroot, const char *leafext, const char* /* leafvers */)
{
#ifdef WIN32
  _makepath(mbs, volname, dirname, leafroot, leafext);
#else
  *mbs = '\0';
  if (dirname && *dirname)
    strcpy(mbs, dirname);
  if (leafroot && *leafroot)
  {
    if (!wxEndsWithPathSeparator(mbs) && !wxIsPathSeparator(*leafroot))
      strcat(mbs, "/");
    strcat(mbs, leafroot);
  }
  if (leafext && *leafext)
  {
    if (*leafext != '.')
      strcat(mbs, ".");
    strcat(mbs, leafext);
  }
#endif
  return TRUE;
}

BOOLEAN xvt_fsys_parse_pathname(const char *mbs, char *volname, char *dirname, char *leafroot, char *leafext, char *leafvers)
{
  wxString volume, path, file, ext;
  wxFileName::SplitPath(mbs, &volume, &path, &file, &ext);
  if (volname) 
  {
    strcpy(volname, volume);
#ifdef WIN32
    if (volname[0] != '\0' && volname[1] == '\0')
      strcat(volname, ":");
#endif
  }
  if (dirname) strcpy(dirname, path);
  if (leafroot) strcpy(leafroot, file);
  if (leafext) strcpy(leafext, ext);
  if (leafvers) strcpy(leafvers, "");  // TBI put here last change date/time?
  return TRUE;
}

BOOLEAN xvt_fsys_convert_dir_to_str(DIRECTORY *dirp, char *path, int sz_path)
{
	wxStrncpy(path, dirp->path, sz_path);
	path[sz_path-1] = '\0';
	return TRUE;
}

BOOLEAN xvt_fsys_convert_str_to_dir(const char *path, DIRECTORY *dirp)
{
  if (dirp != NULL)
  	strcpy(dirp->path, path);
	return dirp != NULL;
}

void xvt_fsys_get_default_dir(DIRECTORY *dirp)
{
  if (_startup_dir == NULL)
    _startup_dir = new wxString(::wxGetCwd());
  xvt_fsys_convert_str_to_dir(*_startup_dir, dirp);
}

BOOLEAN xvt_fsys_get_dir(DIRECTORY *dirp)
{
	wxString str = ::wxGetCwd();
  return xvt_fsys_convert_str_to_dir(str, dirp);
}

BOOLEAN xvt_fsys_is_removable_drive(const char* path)
{
#ifdef WIN32
  if (path != NULL && path[0] == '\\' && path[1] == '\\')
    return FALSE;
  char drive[_MAX_DRIVE+1];
  xvt_fsys_parse_pathname(path,drive,NULL,NULL,NULL,NULL);
  strcat(drive,"\\");
  return GetDriveType(drive) == DRIVE_REMOVABLE;
#else
  char dev[_MAX_PATH];

  OsLinux_GetFileSys(path, dev, NULL, NULL);
  return strncmp(dev, "/dev/fd", 7) == 0;
#endif
}

BOOLEAN xvt_fsys_is_network_drive(const char* path)
{
#ifdef WIN32
  if (path != NULL && path[0] == '\\' && path[1] == '\\')
    return TRUE;
  char drive[_MAX_DRIVE+1];
  xvt_fsys_parse_pathname(path,drive,NULL,NULL,NULL,NULL);
  strcat(drive,"\\");
  return GetDriveType(drive) == DRIVE_REMOTE;
#else
  return OsLinux_IsNetworkDrive(path);
#endif
}

BOOLEAN xvt_fsys_is_fixed_drive(const char* path)
{
#ifdef WIN32
  if (path != NULL && path[0] == '\\' && path[1] == '\\')
    return FALSE;
  char drive[_MAX_DRIVE+1];
  xvt_fsys_parse_pathname(path,drive,NULL,NULL,NULL,NULL);
  strcat(drive,"\\");
  return GetDriveType(drive) == DRIVE_FIXED;
#else
  return !(xvt_fsys_is_network_drive(path) || xvt_fsys_is_removable_drive(path));
#endif
}

static unsigned long compute_disk_size(const char* path, bool tot, char unit)
{
#ifdef WIN32
  char drive[_MAX_DRIVE+1];
  xvt_fsys_parse_pathname(path, drive, NULL, NULL, NULL, NULL);
  strcat(drive, "/");
  DWORD nSecPerClust, nBytePerSec, nFreeClust, nTotalClust;
  ::GetDiskFreeSpace(drive, &nSecPerClust, &nBytePerSec, &nFreeClust, &nTotalClust);
  __int64 nBytes = tot ? nTotalClust : nFreeClust;
  nBytes *= nSecPerClust;
  nBytes *= nBytePerSec;

#else
  int64_t nBytes = OsLinux_GetDiskFreeSpace(path);	
#endif
	
	switch (unit)
	{
	case 'K': nBytes >>= 10; break; // Kilobytes
	case 'M': nBytes >>= 20; break; // Megabytes
	case 'G': nBytes >>= 30; break; // Gigabytes
	case 'T': nBytes >>= 40; break; // Terabytes
	default:
	break;
	}

  const unsigned long nMax = (unsigned long)(~0L);
  unsigned long nVal = nBytes > nMax ? nMax : (unsigned long)nBytes;
	return nVal;
}

unsigned long xvt_fsys_get_disk_size(const char* path, char unit)
{
  return compute_disk_size(path, true, unit);
}

unsigned long xvt_fsys_get_disk_free_space(const char* path, char unit)
{
  return compute_disk_size(path, false, unit);
}

BOOLEAN xvt_fsys_test_disk_free_space(const char* path, unsigned long filesize)
{
	// Arrotonda per eccesso al Kilobyte
  unsigned long kb = filesize/1024+4;
  return kb <= xvt_fsys_get_disk_free_space(path, 'K');
}

///////////////////////////////////////////////////////////
// File system
///////////////////////////////////////////////////////////

SLIST xvt_fsys_list_files(char *type, char *pat, BOOLEAN dirs)
{
	SLIST list = xvt_slist_create();

  int flags = 0;
	if (dirs)
	{
		if (strcmp(type, DIR_TYPE) == 0)
	    flags = wxDIR;
	}
	else
		flags = wxFILE;

  wxString f = ::wxFindFirstFile(pat, flags);
  while (!f.IsEmpty())
	{
#ifdef WIN32
    if (f.StartsWith(".\\"))
#else
    if (f.StartsWith("./"))
#endif
      f = f.Mid(2);
    xvt_slist_add_at_elt(list, NULL, f, 0L);

		f = ::wxFindNextFile();
	}

	return list;
}

static wxString _strSavedir;

void xvt_fsys_restore_dir()
{
	::wxSetWorkingDirectory(_strSavedir);
}

void xvt_fsys_save_dir()
{
	_strSavedir = ::wxGetCwd();
}

BOOLEAN xvt_fsys_set_dir(DIRECTORY *dirp)
{
	return ::wxSetWorkingDirectory(dirp->path);
}

///////////////////////////////////////////////////////////
// Images
///////////////////////////////////////////////////////////

XVT_IMAGE xvt_image_capture(WINDOW win, const RCT* src)
{
  wxRect r;
  if (src == NULL)
  {
    RCT rct; xvt_vobj_get_client_rect(win, &rct);
    r = NormalizeRCT(&rct);
  }
  else
    r = NormalizeRCT(src);

  wxBitmap bmp(r.GetWidth(), r.GetHeight());
  CAST_DC(win, wdc);

  wxMemoryDC mdc; 
  mdc.SelectObject(bmp);
  mdc.Blit(wxPoint(0,0), r.GetSize(), &wdc, r.GetPosition());

  TXVT_IMAGE* i = new TXVT_IMAGE;
  i->Image() = bmp.ConvertToImage();

  return (XVT_IMAGE)i;
}


XVT_IMAGE xvt_image_create(XVT_IMAGE_FORMAT format, short width, short height, long reserved)
{
	TXVT_IMAGE* i = new TXVT_IMAGE;
	i->Image().Create(width, height);
	return (XVT_IMAGE)i;
}

void xvt_image_destroy(XVT_IMAGE image)
{
	delete (TXVT_IMAGE*)image;
}

COLOR xvt_image_get_clut(XVT_IMAGE image, short index)
{
	XVT_ASSERT(image != NULL);
	if (image)
	{
		const wxImage& bmp = ((const TXVT_IMAGE*)image)->Image();
		if (bmp.HasPalette())
		{
			const wxPalette& pal = bmp.GetPalette();
			unsigned char r, g, b;
			pal.GetRGB(index, &r, &g, &b);
			return MAKE_COLOR(r, g, b);
		}
	}
	return COLOR_BLACK;
}

void xvt_image_get_dimensions(XVT_IMAGE image, short *width, short *height)
{
	const wxImage& img = ((const TXVT_IMAGE*)image)->Image();
	if (img.Ok())
	{
	  *width = img.GetWidth();
	  *height = img.GetHeight();
	}
	else
	{
    *width = *height = 0;
	}
}

XVT_IMAGE_FORMAT xvt_image_get_format(XVT_IMAGE image)
{
	const wxImage& img = ((const TXVT_IMAGE*)image)->Image();
	return img.HasPalette() ? XVT_IMAGE_CL8 : XVT_IMAGE_RGB;
}

short xvt_image_get_ncolors(XVT_IMAGE image)
{
	int n = 0;
	if (image)
	{
		const wxImage& bmp = ((const TXVT_IMAGE*)image)->Image();
		if (bmp.HasPalette())
		{
			const wxPalette& pal = bmp.GetPalette();
			unsigned char r, g, b;
			for (n = 16; n < 256; n++)
			{
				if (!pal.GetRGB(n, &r, &g, &b))
					break;
			}
		}
	}
	return n;
}

COLOR xvt_image_get_pixel(XVT_IMAGE image, short x, short y)
{
	const wxImage& bmp = ((const TXVT_IMAGE*)image)->Image();
	int r = bmp.GetRed(x, y);
	int g = bmp.GetGreen(x, y);
	int b = bmp.GetBlue(x, y);
	return MAKE_COLOR(r, g, b);
}

XVT_IMAGE xvt_image_read(const char* filenamep)
{
	TXVT_IMAGE* i = NULL;
#ifdef WIN32
	const wxString name = filenamep;
#else
	wxString name;
	if (isalpha(filenamep[0u]))
	{
		name = *_startup_dir;
		name += "/";
	}
	name += filenamep;
#endif
	if (::wxFileExists(name))
	{
		i = new TXVT_IMAGE;
		i->Image().LoadFile(name);
		if (!i->Image().Ok())
		{
			delete i;
			i = NULL;
		}
	}
	return (XVT_IMAGE)i;
}

XVT_IMAGE xvt_image_read_bmp(const char *filenamep)
{
	return xvt_image_read(filenamep);  // Very clever!
}

void xvt_image_set_clut(XVT_IMAGE image, short index, COLOR color)
{
	wxImage& bmp = ((TXVT_IMAGE*)image)->Image();
	if (bmp.HasPalette())
	{
		const wxPalette& pal = bmp.GetPalette();
   	CAST_COLOR (color, c);
		unsigned char ri, gi, bi;
		pal.GetRGB(index, &ri, &gi, &bi);

		const int w = bmp.GetWidth();
		const int h = bmp.GetHeight();
		for (int y = 0; y < h; y++) for (int x = 0; x < w; x++)
		{
      unsigned char r = bmp.GetRed(x, y);
			if (r != ri) continue;
      unsigned char g = bmp.GetGreen(x, y);
			if (g != gi) continue;
      unsigned char b = bmp.GetBlue(x, y);
			if (b != bi) continue;
			bmp.SetRGB(x, y, c.Red(), c.Green(), c.Blue());
		}
	}
}

void xvt_image_set_ncolors(XVT_IMAGE image, short ncolors)
{
//  SORRY_BOX();
}

void xvt_image_set_pixel(XVT_IMAGE image, short x, short y, COLOR color)
{
	wxImage& bmp = ((TXVT_IMAGE*)image)->Image();
	CAST_COLOR (color, c);
	bmp.SetRGB(x, y, c.Red(), c.Green(), c.Blue());
}

void xvt_image_transfer(XVT_IMAGE dstimage, XVT_IMAGE srcimage, RCT *dstrctp, RCT *srcrctp)
{
  wxImage& dst = ((TXVT_IMAGE*)dstimage)->Image();
  const wxRect rctDst = NormalizeRCT(dstrctp);
  const wxRect rctSrc = NormalizeRCT(srcrctp);
  wxMemoryDC dc;
  wxBitmap bmp(dst);
  dc.SelectObject(bmp);
  DrawImageOnDC(dc, (TXVT_IMAGE*)srcimage, rctDst, rctSrc);
	dst = bmp.ConvertToImage();
  dc.SelectObject(wxNullBitmap);
}

///////////////////////////////////////////////////////////
// Memory management
///////////////////////////////////////////////////////////

DATA_PTR xvt_mem_alloc(size_t size)
{
  DATA_PTR ptr = (DATA_PTR)malloc(size);
	return ptr;
}

void xvt_mem_free(DATA_PTR p)
{ free(p); }

DATA_PTR xvt_mem_realloc(DATA_PTR p, size_t size)
{ return (DATA_PTR)realloc(p, size); }

DATA_PTR xvt_mem_rep(DATA_PTR dst, DATA_PTR src, unsigned int srclen, long reps)
{
	XVT_ASSERT(dst != NULL || src != NULL);

	if (srclen == 1)
		memset(dst, *src, reps);
	else
	{
		for (long i = 0; i < reps; i++)
  	  memcpy(dst + i*srclen, src, srclen);
	}
	return dst;
}

DATA_PTR xvt_mem_zalloc(size_t size)
{
  DATA_PTR ptr = xvt_mem_alloc(size);
  memset(ptr, 0, size);
	return ptr;
}

///////////////////////////////////////////////////////////
// Menu management
///////////////////////////////////////////////////////////

int xvt_menu_count(const MENU_ITEM* m)
{
  int n;

 	for (n = 0; m[n].tag != 0; n++);
	return n;
}

// Funzione inventata
MENU_ITEM* xvt_menu_duplicate_tree(const MENU_ITEM* m)
{
	MENU_ITEM* TheMenu = NULL;
	if (m != NULL && m->tag > 0)
	{
  	const int n = xvt_menu_count(m)+1;
    TheMenu = (MENU_ITEM*)xvt_mem_zalloc(sizeof(MENU_ITEM)*n);
		memcpy(TheMenu, m, n*sizeof(MENU_ITEM));
		for (int i = 0; i < n; i++)
		{
			MENU_ITEM* mi = &TheMenu[i];
			mi->text = xvt_str_duplicate(mi->text);
			mi->child = xvt_menu_duplicate_tree(mi->child);
		}
	}
	return TheMenu;
}

MENU_ITEM* xvt_menu_get_tree(WINDOW win)
{
	MENU_ITEM* m = NULL;
	if (win == TASK_WIN)
	{
		TTaskWin& w = *(TTaskWin*)win;
    m = xvt_menu_duplicate_tree(w.GetMenuTree());
	}
	else
	{
		CAST_TWIN(win, w);
    m = xvt_menu_duplicate_tree(w.GetMenuTree());
	}
	return m;
}

BOOLEAN xvt_menu_popup(MENU_ITEM *menu_p, WINDOW win, PNT pos, 
                       XVT_POPUP_ALIGNMENT /* alignment */, MENU_TAG /* item */)
{
	wxMenu menu;
	for (MENU_ITEM* mi = menu_p; mi != NULL && mi->tag != 0; mi++)
	{
		wxMenuItem* item = NULL;
		if (mi->separator)
			item = new wxMenuItem(&menu, wxID_SEPARATOR);
		else
			item = new wxMenuItem(&menu, mi->tag, mi->text, wxEmptyString, mi->checkable);
		menu.DoAppend(item);
    item->Enable(mi->enabled); // Fattibile solo dopo l'append
    if (mi->checkable)
      item->Check(mi->checked);
	}
  CAST_WIN(win, w);
  bool ok = w.PopupMenu(&menu, pos.h, pos.v);

  return ok;
}

static void TranslateMenu(wxMenu* pMenu, TRANSLATE_CALLBACK tc)
{
	wxMenuItemList& list = pMenu->GetMenuItems();
	for (unsigned i = 0; i < list.GetCount(); i++)
	{
		wxMenuItem* mi = list[i];
		if (!mi->IsSeparator())
		{
			const char* ita = mi->GetText();
			const char* eng = tc(ita);
			mi->SetText(eng);
			wxMenu* pMenu = mi->GetSubMenu();
			if (pMenu != NULL)
				TranslateMenu(pMenu, tc);
		}
	}
}

void xvt_menu_translate_tree(WINDOW win, TRANSLATE_CALLBACK tc)
{
	if (win == TASK_WIN)
	{
		TTaskWin& w = *(TTaskWin*)win;
		wxMenuBar* pMenuBar = w.GetMenuBar();
  	if (pMenuBar != NULL)
		{
		  for (int m = pMenuBar->GetMenuCount()-1; m >= 0; m--)
			{
        const char* ita = pMenuBar->GetLabelTop(m);
   			const char* eng = tc(ita);
				pMenuBar->SetLabelTop(m, eng);

  			wxMenu* pMenu = pMenuBar->GetMenu(m);
	  		TranslateMenu(pMenu, tc);
			}
		}
	}
}

void xvt_menu_set_font_sel(WINDOW win, XVT_FNTID font_id)
{ /* Ignored */ }

static wxMenuItem* GetXvtMenuItem(WINDOW /* win */, MENU_TAG tag)
{
	wxMenuBar* bar = ((TTaskWin*)_task_win)->GetMenuBar();
	wxMenuItem* item = bar ? bar->FindItem(tag) : NULL;
	return item;
}

void xvt_menu_set_item_checked(WINDOW win, MENU_TAG tag, BOOLEAN check)
{
	wxMenuItem* item = GetXvtMenuItem(win, tag);
	if (item)
	  item->Check(check != 0);
}

void xvt_menu_set_item_enabled(WINDOW win, MENU_TAG tag, BOOLEAN enable)
{
	wxMenuItem* item = GetXvtMenuItem(win, tag);
	if (item)
	  item->Enable(enable != 0);
}

void xvt_menu_set_item_title(WINDOW win, MENU_TAG tag, char* text)
{
	wxMenuItem* item = GetXvtMenuItem(win, tag);
	if (item)
		item->SetText(text);
}

void xvt_menu_set_tree(WINDOW win, MENU_ITEM* tree)
{
	if (win == TASK_WIN)
	{
		TTaskWin& w = *(TTaskWin*)win; //occhio
		w.SetMenuTree(tree);
	}
	else
	{
		CAST_TWIN(win, w);
		w.SetMenuTree(tree);
	}
}

void xvt_menu_update(WINDOW win)
{
	wxMenuBar* bar = ((TTaskWin*)_task_win)->GetMenuBar();
	if (bar)
		bar->Refresh();
}

///////////////////////////////////////////////////////////
// Palette management
///////////////////////////////////////////////////////////

short       xvt_palet_add_colors(XVT_PALETTE palet, COLOR *colorsp, short numcolors) { return 0; }
short       xvt_palet_add_colors_from_image(XVT_PALETTE palet, XVT_IMAGE image) { return 0; }
XVT_PALETTE xvt_palet_create(XVT_PALETTE_TYPE type, XVT_PALETTE_ATTR reserved) { return NULL; }
void        xvt_palet_destroy(XVT_PALETTE palet) { SORRY_BOX(); }
short       xvt_palet_get_colors(XVT_PALETTE palet, COLOR *colorsp, short maxcolors) { return 0; }
short       xvt_palet_get_ncolors(XVT_PALETTE palet) { return 0; }
int         xvt_palet_get_tolerance(XVT_PALETTE p) { return 0; }
void        xvt_palet_set_tolerance(XVT_PALETTE p, int t) { SORRY_BOX(); }

///////////////////////////////////////////////////////////
// Rectangles
///////////////////////////////////////////////////////////
int	xvt_rect_get_height(RCT *rctp)
{
	return rctp->bottom - rctp->top;
}

int	xvt_rect_get_width(RCT *rctp)
{
	return rctp->right - rctp->left;
}

BOOLEAN xvt_rect_has_point(RCT *rctp, PNT pnt)
{
	const wxRect rct = NormalizeRCT(rctp);
	return rct.Inside(pnt.h, pnt.v);
}

BOOLEAN xvt_rect_intersect(RCT *drctp, RCT *rctp1, RCT *rctp2)
{
	const wxRect rect1 = NormalizeRCT(rctp1);
	const wxRect rect2 = NormalizeRCT(rctp2);
	BOOLEAN yes = RectIntersect(rect1, rect2);
	if (yes && drctp)
	{
		drctp->left = max(rect1.x, rect2.x);
		drctp->top = max(rect1.y, rect2.y);
		drctp->right = min(rect1.GetRight(), rect2.GetRight())+1;
		drctp->bottom = min(rect1.GetBottom(), rect2.GetBottom())+1;
	}
	return yes;
}

BOOLEAN xvt_rect_is_empty(const RCT *rct)
{
	return rct == NULL || (rct->left==rct->right && rct->top==rct->bottom);
}

void xvt_rect_offset(RCT *rctp, short dh, short dv)
{
	XVT_ASSERT(rctp != NULL);
	rctp->left += dh;
	rctp->top += dv;
	rctp->right += dh;
	rctp->bottom += dv;
}

void xvt_rect_set(RCT *rctp, short left, short top, short right, short bottom)
{
	XVT_ASSERT(rctp != NULL);
	rctp->left = left;
	rctp->top = top;
	rctp->right = right;
	rctp->bottom = bottom;
}

void xvt_rect_set_empty(RCT *rctp)
{
	XVT_ASSERT(rctp != NULL);
	rctp->right = rctp->left;
	rctp->bottom = rctp->top;
}

BOOLEAN xvt_rect_set_pos(RCT *rctp, PNT pos)
{
	BOOLEAN ok = rctp != NULL;
	if (ok)
	{
		const short w = rctp->right-rctp->left;
		const short h = rctp->bottom-rctp->top;
		rctp->left = pos.h;
		rctp->top = pos.v;
		rctp->right = pos.h + w;
		rctp->bottom = pos.v + h;
	}
	return ok;
}

///////////////////////////////////////////////////////////
// Resource management
///////////////////////////////////////////////////////////

void xvt_res_free_menu_tree(MENU_ITEM* tree)
{
	XVT_ASSERT(tree != NULL);
	if (tree != NULL)
	{
		for (MENU_ITEM* item = tree; item->tag != 0; item++)
		{
			if (item->text)
				xvt_mem_free(item->text);
      if (item->child != NULL)
				xvt_res_free_menu_tree(item->child);
		}
		xvt_mem_free((DATA_PTR)tree);
	}
}

XVT_IMAGE xvt_res_get_image(int rid)
{
  const wxString strFileName = ::GetResourceName("Image", rid);
	const bool ok = !strFileName.IsEmpty();
 	XVT_ASSERT(ok);
	return ok ? xvt_image_read(strFileName) : NULL;
}

static int SplitString(const wxString& str, wxArrayString& a)
{
	const char* s = str;
	char* comma = "";
	a.Clear();
	while (comma)
	{
		comma = strchr(s, ',');
		if (comma)
		{
			*comma = '\0';
			a.Add(s);
			*comma = ',';
			s = comma+1;
		}
		else
			a.Add(s);
	}
	return a.GetCount();
}

static void FillMenuItem(const wxString& strValue, MENU_ITEM* mi)
{
	wxArrayString a;
	const int n = SplitString(strValue, a);
	mi->tag = n > 0 ? atoi(a[0]) : 0;
	if (mi->tag > 0)
	{
		const wxString& str = a[1];
		const int accelera = str.Find('&');
		if (accelera >= 0)
  		mi->mkey = str[accelera+1];
		mi->text = xvt_str_duplicate(str);
		mi->enabled = n < 3 || (a[2].Find('D')<0);
		mi->checkable = n >= 3 && (a[2].Find('C')>=0);
		mi->checked = n >= 3 && (a[2].Find('c')>=0);
	}
	else
	{
		mi->tag = -1;
		mi->separator = TRUE;
	}
}

MENU_ITEM* xvt_res_get_menu(int rid)
{
	wxFileConfig ini("", "", GetResourceIni());

	const int MAX_MENU = 16;
  MENU_ITEM* TheMenu = (MENU_ITEM*)xvt_mem_zalloc(sizeof(MENU_ITEM)*MAX_MENU);

	wxString strName;
	if (rid >= 10000 && rid < 10100)
	{
    wxFileName::SplitPath(wxTheApp->argv[0], NULL, &strName, NULL);
		strName.MakeUpper();
		strName = wxString::Format("/Menu_%s-%X", (const char *) strName.Left(3), (rid-1)%16);
	}
	else
		strName = wxString::Format("/Menu_%d", rid);
	ini.SetPath(strName);

	wxString strItem;
	for (int i = 0; i < MAX_MENU; i++)
	{
		MENU_ITEM* mi = &TheMenu[i];
		strItem = wxString::Format("Item_%02d", i);
		if (ini.Read(strItem, &strName))
		{
			FillMenuItem(strName, mi);
			mi = mi->child = (MENU_ITEM*)xvt_mem_zalloc(sizeof(MENU_ITEM)*MAX_MENU);

			for (int j = 0; j < MAX_MENU; j++, mi++)
			{
				strItem = wxString::Format("Item_%02d_%02d", i, j);
				if (ini.Read(strItem, &strName))
    			FillMenuItem(strName, mi);
				else
					break;
			}
		}
		else
			break;
	}
	if (TheMenu->tag == 0)
	{
		XVT_ASSERT(false);   // Menu not found
    xvt_res_free_menu_tree(TheMenu);
		TheMenu = NULL;
	}

	return TheMenu;
}

char* xvt_res_get_str(int rid, char *s, int sz_s)
{
	XVT_ASSERT(s != NULL && sz_s > 0);
	const wxString str = ::GetResourceName("String", rid);
	strncpy(s, str, sz_s);
	s[sz_s-1] = '\0';
	return s;
}

///////////////////////////////////////////////////////////
// Scroll bars
///////////////////////////////////////////////////////////

#define CAST_SCROLL(win, sb) XVT_ASSERT(win != NULL_WIN); wxScrollBar& sb = *(wxScrollBar*)win;
#define CAST_SCROLL_TYPE(t, dir) const int dir = t == HSCROLL ? wxHORIZONTAL : wxVERTICAL;

int  xvt_sbar_get_pos(WINDOW win, SCROLL_TYPE t)
{
	if (t == HSCROLL || t == VSCROLL)
	{
  	CAST_WIN(win, w);
		CAST_SCROLL_TYPE(t, dir);
		return w.GetScrollPos(dir);
	}
	CAST_SCROLL(win, sb);
	return sb.GetThumbPosition();
}

int  xvt_sbar_get_proportion(WINDOW win, SCROLL_TYPE t)
{
	if (t == HSCROLL || t == VSCROLL)
	{
  	CAST_WIN(win, w);
		CAST_SCROLL_TYPE(t, dir);
		return w.GetScrollThumb(dir);
	}
	CAST_SCROLL(win, sb);
	return sb.GetThumbSize();
}

void xvt_sbar_get_range(WINDOW win, SCROLL_TYPE t, int *minp, int *maxp)
{
	*minp = 0;
	if (t == HSCROLL || t == VSCROLL)
	{
  	CAST_WIN(win, w);
		CAST_SCROLL_TYPE(t, dir);
		*maxp = w.GetScrollRange(dir);
	}
	else
	{
	  CAST_SCROLL(win, sb);
	  *maxp = sb.GetRange();
	}
}

void xvt_sbar_set_pos(WINDOW win, SCROLL_TYPE t, int pos)
{
	if (t == HSCROLL || t == VSCROLL)
	{
  	CAST_WIN(win, w);
		CAST_SCROLL_TYPE(t, dir);
		w.SetScrollPos(dir, pos);
	}
	else
	{
		CAST_SCROLL(win, sb);
		const int range = sb.GetRange();
		const int size = sb.GetThumbSize();
		sb.SetScrollbar(pos, size, range, size);
	}
}

void xvt_sbar_set_proportion(WINDOW win, SCROLL_TYPE t, int proportion)
{
	if (t == HSCROLL || t == VSCROLL)
	{
  	CAST_WIN(win, w);
		CAST_SCROLL_TYPE(t, dir);
		const int pos = w.GetScrollPos(dir);
		const int range = w.GetScrollRange(dir);
		w.SetScrollbar(dir, pos, proportion, range);
	}
	else
	{
		CAST_SCROLL(win, sb);
		const int pos = sb.GetThumbPosition();
		const int range = sb.GetRange();
		sb.SetScrollbar(pos, proportion, range, proportion);
	}
}

void xvt_sbar_set_range(WINDOW win, SCROLL_TYPE t, int min, int max)
{
	XVT_ASSERT(min == 0);
	if (t == HSCROLL || t == VSCROLL)
	{
  	CAST_WIN(win, w);
		CAST_SCROLL_TYPE(t, dir);
		const int pos = w.GetScrollPos(dir);
		const int size = w.GetScrollThumb(dir);
		w.SetScrollbar(dir, pos, size, max);
	}
	else
	{
		CAST_SCROLL(win, sb);
		const int pos = sb.GetThumbPosition();
		const int size = sb.GetThumbSize();
		sb.SetScrollbar(pos, size, max, size);
	}
}


///////////////////////////////////////////////////////////
// Window manager
///////////////////////////////////////////////////////////

void xvt_scr_beep(void)
{	
  xvt_sys_beep(0);
}

WINDOW xvt_scr_get_focus_topwin(void)
{
	WINDOW win = (WINDOW)_task_win->FindFocus();
	return win;
}

WINDOW xvt_scr_get_focus_vobj(void)
{
	return xvt_scr_get_focus_topwin();
}

static void AddWinToList(SLIST list, WINDOW win)
{
  if (win != NULL_WIN)
	{
		CAST_WIN(win, w);
    const char* title = w.GetTitle();
    xvt_slist_add_at_elt(list, NULL, title, win);
	}
}

SLIST xvt_scr_list_wins()
{
	SLIST list = xvt_slist_create();

  _nice_windows.BeginFind();
#if wxCHECK_VERSION(2,6,1)
	for (wxHashTable_Node* node = _nice_windows.Next(); node; node = _nice_windows.Next())
#else
	for (wxNode* node = _nice_windows.Next(); node; node = _nice_windows.Next())
#endif
	{
  	wxObject* pWin = node->GetData();
    AddWinToList(list, (WINDOW)pWin);
  }

	return list;
}

void xvt_scr_set_busy_cursor()
{
	xvt_win_set_cursor(TASK_WIN, CURSOR_WAIT);
}

void xvt_scr_set_focus_vobj(WINDOW win)
{
  CAST_WIN(win, w);
	w.SetFocus();
}

///////////////////////////////////////////////////////////
// String lists
///////////////////////////////////////////////////////////

BOOLEAN xvt_slist_add_at_elt(SLIST list, SLIST_ELT e, const char *sx, long data)
{
	const BOOLEAN ok = list != NULL;
	if (ok)
	{
    SLIST_ELT item = new SLIST_ITEM;
		item->str = xvt_str_duplicate(sx);
		item->data = data;
		item->next = NULL;

    SLIST_ELT last = NULL;
//    if (e != NULL)  // Add at head by default (else at tail)
//    {
		  for (SLIST_ELT i = list->head; i; i = (SLIST_ELT)i->next)
		  {
			  last = i;
			  if (i == e)
				  break;
		  }
//    }		
		if (last == NULL)
    {
      item->next = list->head;
			list->head = item;
    }
		else
		{
			item->next = last->next;
			last->next = item;
		}
		list->count++;
	}
	return ok;
}

int xvt_slist_count(SLIST list)
{
	XVT_ASSERT(list != NULL);
	return list ? list->count : 0;
}

SLIST xvt_slist_create()
{
	SLIST list = new xvtList;
	list->head = NULL;
	list->count = 0;
	return list;
}

void xvt_slist_destroy(SLIST list)
{
	XVT_ASSERT(list != NULL);
	if (list)
	{
		SLIST_ELT obj = list->head;
		while (obj != NULL)
		{
			SLIST_ELT tokill = obj;
		  xvt_mem_free(tokill->str);
			obj = (SLIST_ELT)tokill->next;
			delete tokill;
		}
	  delete list;
	}
}

char* xvt_slist_get(SLIST list, SLIST_ELT e, long* datap)
{
	XVT_ASSERT(list != NULL);
	if (e != NULL)
	{
		if (datap != NULL)
			*datap = e->data;
		return e->str;
	}
	return NULL;
}

long* xvt_slist_get_data(SLIST_ELT elt)
{
	return elt != NULL ? &elt->data : NULL;
}

SLIST_ELT xvt_slist_get_first(SLIST list)
{
	XVT_ASSERT(list != NULL);
	return list != NULL ? list->head : NULL;
}

SLIST_ELT xvt_slist_get_next(SLIST list, SLIST_ELT item)
{
	XVT_ASSERT(list != NULL);
	return (SLIST_ELT)(item ? item->next : NULL);
}

///////////////////////////////////////////////////////////
// XVT Strings???
///////////////////////////////////////////////////////////

int xvt_str_compare_ignoring_case (const char* s1, const char* s2)
{
	return wxStricmp(s1, s2);
}

char* xvt_str_duplicate(const char* str)
{
	return str ? strdup(str) : NULL; // bleah!
}

BOOLEAN xvt_str_match(const char* mbs, const char *pat, BOOLEAN case_sensitive)
{
/*
  // Attualmente la wxString::Matches funziona solo con * e ?   :-(
 	wxString text = mbs;
  wxString pattern = pat;
	if (!case_sensitive)
	{
		text.MakeUpper();
		pattern.MakeUpper();
	}
	return text.Matches(pattern);  
*/

  // Uso la vecchia funzione implementata anticamente in agalib
  if (case_sensitive)
    return match(pat, mbs);      

 	wxString text    = mbs; text.MakeUpper();
  wxString pattern = pat; pattern.MakeUpper();
  return match(pattern, text);      
}

void xvt_str_make_upper(char* str)
{
#ifdef WIN32
	_strupr(str);
#else
	for (char * s = str; *s; s++)
		*s = toupper(*s);
#endif
}

void xvt_str_make_lower(char* str)
{
	for (char * s = str; *s; s++)
		*s = tolower(*s);
}

double xvt_str_fuzzy_compare (const char* s1, const char* s2)
{
	return fstrcmp(s1, s2);
}

///////////////////////////////////////////////////////////
// XVT system calls (added by Guy)
///////////////////////////////////////////////////////////

void xvt_sys_beep(int severity)
{
#ifdef WIN32
	OsWin32_Beep(severity);
#else
	wxBell();
#endif
}

BOOLEAN xvt_sys_get_host_name(char* name, int maxlen)
{
	wxString str = wxGetHostName();
	strncpy(name, str, maxlen);
	name[maxlen-1] = '\0';
	return *name > '\0';
}

BOOLEAN xvt_sys_get_user_name(char* name, int maxlen)
{
	wxString str = wxGetUserId();
	strncpy(name, str, maxlen);
	name[maxlen-1] = '\0';
	return *name > '\0';
}

///////////////////////////////////////////////////////////
// Process processing 
///////////////////////////////////////////////////////////
static bool __bChildRunning = false;

class TIconizeTaskThread : public wxThread
{
protected:
  virtual ExitCode Entry();
public:
  TIconizeTaskThread();
};

wxThread::ExitCode TIconizeTaskThread::Entry()
{
  Sleep(250);
  if (__bChildRunning) // Il programma e' ancora attivo
  {
    wxFrame* frame = (wxFrame*)_task_win;
    frame->Iconize();
  }
  return 0;
}

TIconizeTaskThread::TIconizeTaskThread()
{
  Create();
  SetPriority(WXTHREAD_MIN_PRIORITY);
  Run();
}

long xvt_sys_execute(const char* cmdline, BOOLEAN sync, BOOLEAN iconizetask)
{
  long exitcode = 0;
  wxString cmd(cmdline);
  
#ifdef LINUX
	if (isalpha(cmd[0u]))
		cmd = "./" + cmd;
#endif

  if (sync)
  {
    if (iconizetask)
    {
      wxEnableTopLevelWindows(FALSE);
      
      // ((wxFrame*)_task_win)->Iconize();
      TIconizeTaskThread* it;
      it = new TIconizeTaskThread();
  
      __bChildRunning = true;
      exitcode = wxExecute(cmd, wxEXEC_SYNC);
      __bChildRunning = false;
      
      wxFrame* frame = (wxFrame*)_task_win;
      if (frame->IsIconized())
        frame->Restore();
      wxEnableTopLevelWindows(TRUE);
      frame->Raise();
    }
    else
      exitcode = wxExecute(cmd, wxEXEC_SYNC);
  }
  else
    exitcode = wxExecute(cmd, wxEXEC_ASYNC);

  return exitcode;
}

long xvt_sys_execute_in_window(const char* cmdline, WINDOW win)
{
  long inst = xvt_sys_execute(cmdline, FALSE, FALSE);
  if (inst > 0)
#ifdef WIN32
    OsWin32_PlaceProcessInWindow(inst, "", xvt_vobj_get_attr(ATTR_NATIVE_WINDOW, win));
#else
    OsLinux_PlaceProcessInWindow(inst, "", xvt_vobj_get_attr(ATTR_NATIVE_WINDOW, win));
#endif
  return inst;
}

BOOLEAN xvt_sys_goto_url(const char* url, const char* action)
{
#ifdef WIN32
  return OsWin32_GotoUrl(url, action);
#else
  SORRY_BOX(); // TBI
#endif
  return FALSE;
}

BOOLEAN xvt_sys_dongle_server_is_running()
{
  wxSingleInstanceChecker sic("Authorization");
  BOOLEAN ok = sic.IsAnotherRunning();

#ifdef WIN32
  if (!ok) // Testo anche Frontend!
    ok = ::GlobalFindAtom("DONGLE_SERVER_ATOM") != 0;
#endif

  return ok;
}

int xvt_sys_get_profile_string(const char* file, const char* paragraph, const char* name,
                               const char* defval, char* value, int maxsize)
{
#ifdef WIN32
  int len = ::GetPrivateProfileString(paragraph, name, defval, value, maxsize, file);
#else
	wxFileConfig ini("", "", file, "", wxCONFIG_USE_LOCAL_FILE | wxCONFIG_USE_RELATIVE_PATH);

  wxString path;
	path << "/" << paragraph;
	ini.SetPath(path);
	
  int len = 0;
	wxString val;
	if (!ini.Read(name, &val))
    val = defval;

  len = val.Length();
  if (value)
  {
    wxStrncpy(value, val, maxsize);
    value[maxsize-1] = '\0';
  }
#endif

  return len;
}

BOOLEAN xvt_sys_set_profile_string(const char* file, const char* paragraph, const char* name,
                                   const char* value)
{
#ifdef WIN32
  return ::WritePrivateProfileString(paragraph, name, value, file);
#else
	wxFileConfig ini("", "", file, "", wxCONFIG_USE_LOCAL_FILE | wxCONFIG_USE_RELATIVE_PATH);
	ini.SetUmask(0x0);

  wxString path;
	path << "/" << paragraph;
	ini.SetPath(path);

	return ini.Write(name, value);
#endif
}

BOOLEAN xvt_sys_find_editor(const char* file, char* editor)
{
  BOOLEAN ok = FALSE;

#ifdef WIN32
  const wxString e = OsWin32_File2App(file);
#else
  const wxString e = OsLinux_File2App(file);
#endif
  ok = !e.IsEmpty();
  if (ok && editor != NULL)
    strcpy(editor, e);

  return ok;
}

unsigned int xvt_sys_load_icon(const char* file)
{
  unsigned int id = 0;
  wxIcon* icon = NULL;

  wxString str = file;
  str.MakeLower();
  if (str.Find(".ico") > 0)
		icon = new wxIcon(file, wxBITMAP_TYPE_ICO);
  else
  {
#ifdef WIN32
    WXHICON hicon = (WXHICON)OsWin32_LoadIcon(file);
    if (hicon)
    {
      icon = new wxIcon;
      icon->SetHICON(hicon);
    }
#else
    icon = new wxIcon;
//    icon = new wxIcon(wxICON(file));  //verificare
#endif
  }

  if (icon != NULL)
  {
    for (id = 60001; ; id++)
    {
      wxIcon* ico = (wxIcon*)_nice_icons.Get(id);
      if (ico == NULL)
      {
	  	  _nice_icons.Put(id, icon);
        break;
      }
      else
      {
#ifdef WIN32
        if (ico->GetHICON() == icon->GetHICON())  // C'e' gia'
#else
        if (ico == icon)  // C'e' gia'
#endif
        {
          delete icon;
          break;
        }
      }
    }
  }

  return id;
}

int xvt_sys_get_session_id()
{
#ifdef WIN32
	return OsWin32_GetSessionId();
#else
	return OsLinux_GetSessionId();
#endif
}
                                   
unsigned long xvt_sys_get_free_memory()
{
  unsigned long mem = ::wxGetFreeMemory();
  return mem;
}

unsigned long xvt_sys_get_free_memory_kb()
{
  unsigned long mem = xvt_sys_get_free_memory();
  return mem / 1024;  // Arrotondo per difetto
}

int xvt_sys_get_os_version()
{
  int os = 0;
  int major, minor;
  switch (::wxGetOsVersion(&major, &minor))
  {
#ifdef WIN32
  case wxWIN95:
    os = minor == 0 ? XVT_WS_WIN_95 : XVT_WS_WIN_98; break;
  case wxWINDOWS_NT:
    os = XVT_WS_WIN_NT; 
    if (OsWin32_IsWindowsServer())
      os = XVT_WS_WIN_SERVER;
    break;
#else
  case wxGTK:
    os = XVT_WS_LINUX; break;
#endif
  default:
    break;
  }
  return os;
}

void xvt_sys_sleep(unsigned long msec)
{
  wxThread::Sleep(msec);
}

BOOLEAN xvt_sys_test_network_version()
{
#ifdef WIN32
  if (xvt_sys_get_os_version() == XVT_WS_WIN_95)
    return OsWin32_TestNetworkVersion();
#endif
  return TRUE;
}

///////////////////////////////////////////////////////////
// XVT system calls (added by Alex)
///////////////////////////////////////////////////////////

void xvt_sys_searchenv(const char * filename, const char * varname, char * pathname)
{
#ifdef WIN32
  _searchenv(filename, varname, pathname);
#else
	const char * value = getenv(varname);
	if (value)
	{
	  char path_list[4096];
    strcpy(path_list, value);
    for (const char* s = path_list; *s; )
    {
      char* s1 = strchr(s, ';');
      if (s1 != NULL)
        *s1 = '\0';
      xvt_fsys_build_pathname(pathname, NULL, s, filename, NULL, NULL);
      if (xvt_fsys_file_exists(pathname))
        break;
      if (s1 != NULL)
        s = s1 + 1;
      else
        break;
    }
	}
	else
		*pathname = '\0';
#endif
}

BOOLEAN xvt_fsys_access(const char *pathname, int mode)
{
	wxString str = ::wxGetCwd();
  return access(pathname, mode) == -1 ? errno : 0;
}

BOOLEAN xvt_fsys_file_exists(const char *pathname)
{
  return wxFileExists(pathname);
}

BOOLEAN xvt_fsys_mkdir(const char *pathname)
{
  if (wxDirExists(pathname))
    return TRUE;
  return wxMkdir(pathname);
}

BOOLEAN xvt_fsys_rmdir(const char *pathname)
{
  if (wxDirExists(pathname))
    return TRUE;
  return wxRmdir(pathname);
}

BOOLEAN xvt_fsys_removefile(const char *pathname)
{
  return wxRemoveFile(pathname);
}

///////////////////////////////////////////////////////////
// Timers
///////////////////////////////////////////////////////////

long xvt_timer_create(WINDOW win, long interval)
{
	CAST_TWIN(win, w);
	if (w._timer == NULL)
	{
	  w._timer = new wxTimer(&w, TIMER_ID);
	  w._timer->Start(interval);
	}
	return win;
}

void xvt_timer_destroy(long id)
{
  if (id > 0L)
  {
    CAST_TWIN(id, w);
	  wxTimer*& t = w._timer;
	  if (t != NULL)
	  {
      t->Stop();
		  delete t;
		  t = NULL;
	  }
  }
}

///////////////////////////////////////////////////////////
// Visual objects
///////////////////////////////////////////////////////////

void xvt_vobj_destroy(WINDOW win)
{
	if (win != PRINTER_WIN)
	{
    if (_TheCaret.Owner() == win)
      _TheCaret.Kill();

    if (_nice_windows.Get(win) != NULL)
    {
		  CAST_TWIN(win, w);
		  w.Close(true);
      GetTDCMapper().DestroyTDC(win);
    }
#ifdef DBG
    else
       XVT_ASSERT(FALSE);  // Happens to list box windows
#endif
	}
}

long xvt_vobj_get_attr(WINDOW win, long data)
{
	long ret = 0L;
	switch(data)
	{
	case ATTR_APP_CTL_COLORS:
		{
			XVT_COLOR_COMPONENT* xcc = (XVT_COLOR_COMPONENT*)xvt_mem_zalloc(sizeof(XVT_COLOR_COMPONENT)*6);

			xcc[0].type = XVT_COLOR_FOREGROUND;
			xcc[0].color = MAKE_XVT_COLOR(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT));
			xcc[1].type = XVT_COLOR_BACKGROUND;
			xcc[1].color = MAKE_XVT_COLOR(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
			xcc[2].type = XVT_COLOR_CAPTIONLT;
			xcc[2].color = MAKE_XVT_COLOR(wxSystemSettings::GetColour(wxSYS_COLOUR_ACTIVECAPTION));
			xcc[3].type = XVT_COLOR_CAPTIONDK;
			xcc[3].color = MAKE_XVT_COLOR(wxSystemSettings::GetColour(wxSYS_COLOUR_INACTIVECAPTION));
			xcc[4].type = XVT_COLOR_CAPTIONTEXT;
			xcc[4].color = MAKE_XVT_COLOR(wxSystemSettings::GetColour(wxSYS_COLOUR_CAPTIONTEXT));
			xcc[5].type = XVT_COLOR_NULL;
			xcc[5].color = 0;

      ret = (long)xcc;
		}
		break;
  case ATTR_FRAME_WIDTH:
#ifdef LINUX
    ret = 8; //verificare not impl
#else  
    ret = wxSystemSettings::GetMetric(wxSYS_FRAMESIZE_X);
#endif
    break;
  case ATTR_FRAME_HEIGHT:
#ifdef LINUX
    ret = 8; //verificare not impl
#else  
    ret = wxSystemSettings::GetMetric(wxSYS_FRAMESIZE_Y);
#endif
    break;
  case ATTR_MENU_HEIGHT:
    ret = wxSystemSettings::GetMetric(wxSYS_MENU_Y);
    break;
  case ATTR_TITLE_HEIGHT:
#ifdef LINUX
		ret = 32; //verificare not impl
#else  
		ret = wxSystemSettings::GetMetric(wxSYS_CAPTION_Y);
#endif
		break;
	case ATTR_CTL_VERT_SBAR_WIDTH:
		ret = wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
		break;
	case ATTR_CTL_HORZ_SBAR_HEIGHT:
		ret = wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
		break;
	case ATTR_DISPLAY_TYPE:
		switch (::wxDisplayDepth())
		{
		case  1: ret = XVT_DISPLAY_MONO; break;
		case  4: ret = XVT_DISPLAY_COLOR_16; break;
    case  8: ret = XVT_DISPLAY_COLOR_256; break;
    default: ret = XVT_DISPLAY_DIRECT_COLOR; break;
    }
		break;
	case ATTR_ERRMSG_HANDLER:
		ret = (long)_error_handler;
		break;
	case ATTR_NATIVE_GRAPHIC_CONTEXT:
    SORRY_BOX(); // Obsoleto e non piu' usato
		break;
	case ATTR_NATIVE_WINDOW:
    if (_nice_windows.Get(win) != NULL)
    {
#ifdef WIN32
  	  CAST_WIN(win, w);
		  ret = (long)w.GetHandle();
#else
      ret = win;
#endif
		}
		break;
	case ATTR_SCREEN_HEIGHT:
		ret = wxSystemSettings::GetMetric(wxSYS_SCREEN_Y);
		break;
	case ATTR_SCREEN_WIDTH:
		ret = wxSystemSettings::GetMetric(wxSYS_SCREEN_X);
		break;
	case ATTR_SCREEN_WINDOW:
		ret = 882L;	// Scelta arbitraria ma accettabile
    break;
  case ATTR_SPEECH_MODE:
		ret = m_nSpeechMode;
		break;
  case ATTR_TASK_WINDOW:
		ret = long(_task_win);
		break;
  case ATTR_PRINTER_WINDOW:
		ret = 883L; // Scelta arbitraria ma accettabile
		break;
  case ATTR_WIN_INSTANCE:
    ret = 0;
    break;
  case ATTR_WIN_OPENFILENAME_HOOK:
    ret = 0;
    break;
	case ATTR_WIN_PM_DRAWABLE_TWIN:
		ret = TRUE;
		break;
	default: SORRY_BOX(); break;
	}
	return ret;
}

RCT* xvt_vobj_get_client_rect(WINDOW win, RCT *rctp)
{
	XVT_ASSERT(rctp != NULL);
	int l, h;
	if (win != NULL_WIN)
	{
    if (win == PRINTER_WIN)
    {
      l = h = 6000; // circa A4 height
    } else
    if (win == SCREEN_WIN)
    {
  		l = wxSystemSettings::GetMetric(wxSYS_SCREEN_X);
	  	h = wxSystemSettings::GetMetric(wxSYS_SCREEN_Y) - 32; // Puerile tentativo di escludere la task bar
    } else
    {
  	  CAST_WIN(win, w);
	    w.GetClientSize(&l, &h);
    }
	}
	else // NULL_WIN = schermo intero
	{
		l = wxSystemSettings::GetMetric(wxSYS_SCREEN_X);
		h = wxSystemSettings::GetMetric(wxSYS_SCREEN_Y);
	}

	rctp->left = rctp->top = 0;
	rctp->right = l; rctp->bottom = h;
	return rctp;
}

long xvt_vobj_get_data(WINDOW win)
{
	CAST_TWIN(win, w);
	return w._app_data;
}

RCT* xvt_vobj_get_outer_rect(WINDOW win, RCT *rctp)
{
	XVT_ASSERT(rctp != NULL);
	CAST_WIN(win, w);
	const wxRect rct = w.GetRect();
	rctp->left = rct.x;	rctp->top = rct.y;
  rctp->right = rct.x + rct.width;
  rctp->bottom = rct.y + rct.height;
	return rctp;
}

XVT_PALETTE xvt_vobj_get_palet(WINDOW win)
{ return NULL; }

WINDOW xvt_vobj_get_parent(WINDOW win)
{
	if (win == TASK_WIN)
		return NULL_WIN;
	CAST_WIN(win, w);
	return (WINDOW)w.GetParent();
}

char* xvt_vobj_get_title(WINDOW win, char *title, int sz_title)
{
	CAST_WIN(win, w);
	strncpy(title, w.GetTitle(), sz_title);
	title[sz_title-1] = '\0';
	return title;
}

WIN_TYPE xvt_vobj_get_type(WINDOW win)
{
  if (win == TASK_WIN)
    return W_TASK;
  if (win == SCREEN_WIN)
    return W_SCREEN;
  if (win == PRINTER_WIN)
    return W_PRINT;

	CAST_TWIN(win, w);
	return w._type;
}

BOOLEAN xvt_vobj_is_focusable(WINDOW win)
{
	return win != NULL_WIN && win != PRINTER_WIN;
}

void xvt_vobj_maximize(WINDOW win)
{
  wxFrame* pMain = (wxFrame*)_task_win;
  if (win != (WINDOW)pMain)
  {
    CAST_WIN(win, w);
    int width, height;
    pMain->GetClientSize(&width, &height);
    w.SetSize(0, 0, width, height);
  }
  else
    pMain->Maximize();
}

void xvt_vobj_minimize(WINDOW win)
{
  wxFrame* pMain = (wxFrame*)_task_win;
  if (win == (WINDOW)pMain)
    pMain->Iconize();
  else
    SORRY_BOX();
}

void xvt_vobj_move(WINDOW win, const RCT* rctp)
{
	CAST_WIN(win, w);
	wxRect rct = NormalizeRCT(rctp);
  w.Move(rct.x, rct.y);
	w.SetClientSize(rct.width, rct.height);
}

void xvt_vobj_raise(WINDOW win)
{
	CAST_WIN(win, w);
	w.Raise();
}

void xvt_vobj_set_attr(WINDOW win, long data, long value)
{
	switch(data)
	{
	case ATTR_ERRMSG_HANDLER: _error_handler = (XVT_ERRMSG_HANDLER)value; break;
  case ATTR_EVENT_HOOK: SORRY_BOX(); break;   // TBI?: Native events hook!
	case ATTR_WIN_PM_DRAWABLE_TWIN: break;      // Ignored: Always TRUE
  case ATTR_WIN_PM_TWIN_STARTUP_RCT: _startup_rect = *(RCT*)value; break;
  case ATTR_WIN_PM_TWIN_STARTUP_STYLE: break; // TBI
  case ATTR_SPEECH_MODE: xvt_dm_enable_speech(value); break;
	default: SORRY_BOX(); break;
	}
}	

void xvt_vobj_set_data(WINDOW win, long AppData)
{
	CAST_TWIN(win, w);
	w._app_data = AppData;
}

void xvt_vobj_set_enabled(WINDOW win, BOOLEAN enabled)
{
	CAST_WIN(win, w);
	w.Enable(enabled != 0);
}

void xvt_vobj_set_palet(WINDOW win, XVT_PALETTE palet)
{
	// Do not implement!
}

void xvt_vobj_set_title(WINDOW win, const char* title)
{
	CAST_WIN(win, w);
	w.SetTitle(title);
}

void xvt_vobj_set_visible(WINDOW win, BOOLEAN show)
{
	CAST_WIN(win, w);
	w.Show(show != 0);
}

void xvt_vobj_translate_points(WINDOW from_win, WINDOW to_win, PNT *pntp, int npnts)
{
	XVT_ASSERT(from_win != NULL_WIN && to_win != NULL_WIN);
	XVT_ASSERT(pntp != NULL && npnts > 0);
	CAST_WIN(from_win, w1);
	CAST_WIN(to_win, w2);
	for (int i = 0; i < npnts; i++)
	{
		int x = pntp[i].h;
		int y = pntp[i].v;
		w1.ClientToScreen(&x, &y);
		w2.ScreenToClient(&x, &y);
    pntp[i].h = x;
		pntp[i].v = y;
	}
}

///////////////////////////////////////////////////////////
// Real windows
///////////////////////////////////////////////////////////

WINDOW xvt_win_create(WIN_TYPE wtype, const RCT* rct_p, const char* title, int menu_rid, WINDOW parent, long win_flags, EVENT_MASK mask, EVENT_HANDLER eh, long app_data)
{
	XVT_ASSERT(rct_p != NULL);
	
	const wxString caption = title;
	const	wxPoint pos(rct_p->left, rct_p->top);
	const wxSize size(rct_p->right-rct_p->left, rct_p->bottom-rct_p->top);

	long style = wxCLIP_CHILDREN | wxCLIP_SIBLINGS;

	if (win_flags & WSF_VSCROLL)
		style |= wxVSCROLL;
	if (win_flags & WSF_HSCROLL)
		style |= wxHSCROLL;

	TwxWindow* w = NULL;
  switch (wtype)
	{
	case W_DOC:
		if (!caption.IsEmpty())
  		style |= wxSYSTEM_MENU;
		break;
	case W_PLAIN:
		// style |= wxBORDER;  // Non attivare MAI il bordo!
    if (win_flags & WSF_TRANSPARENT)
      style |= wxTRANSPARENT_WINDOW;
		break;
	default:
		SORRY_BOX(); break;
	}
  if (parent == SCREEN_WIN)
    parent = NULL;
  w = new TwxWindow((wxWindow*)parent, -1, caption, pos, size, style);

	w->_type = wtype;
	w->_app_data = app_data;
#if wxCHECK_VERSION(2,6,1)
  w->SetBackgroundStyle(wxBG_STYLE_CUSTOM); // Lo sfondo viene disegnato nella OnPaint
#endif

#ifdef WIN32
  OsWin32_SetCaptionStyle(w->GetHWND(), wtype == W_DOC);
#else
  OsLinux_SetCaptionStyle((wxWindow*)w, style);
#endif

  if (menu_rid > 0 && menu_rid != 8000)     // 8000 = NULL_MENU_RID
	{
		MENU_ITEM* mi = xvt_res_get_menu(menu_rid);
		if (mi)
		{
      w->SetMenuTree(mi);
		  xvt_res_free_menu_tree(mi);
		}
	}

	if (style & wxHSCROLL)
	  w->SetScrollbar(wxHORIZONTAL, 0, 1, 100);
	if (style & wxVSCROLL)
	  w->SetScrollbar(wxVERTICAL, 0, 1, 100);

  //xvt_vobj_move((WINDOW)w, rct_p);  // Sembra inutile

  if (win_flags & WSF_DISABLED)
		w->Disable();
	else
		w->Enable();

  if (win_flags & WSF_INVISIBLE)
		w->Hide();
	else
		w->Show(); // Non dovrebbe mai succedere nel nostro caso

  // Accetta messaggi solo da ora!
  w->_eh = eh;

	EVENT e; memset(&e, 0, sizeof(e));
  e.type = E_CREATE; // Serve a poco, ma fa' lo stesso
	eh((WINDOW)w, &e);
  
	return (WINDOW)w;
}

long xvt_win_dispatch_event(WINDOW win, EVENT* event_p)
{
	XVT_ASSERT(event_p != NULL);
	CAST_TWIN(win, w);
	return w._eh(win, event_p);
}

void xvt_win_post_event(WINDOW win, EVENT* event_p)
{
  // Per ora funziona solo con la task window
	XVT_ASSERT(win == (WINDOW)_task_win && event_p != NULL);

  switch (event_p->type)
  {
  case E_COMMAND:
    {
      wxCommandEvent e(wxEVT_COMMAND_MENU_SELECTED, event_p->v.cmd.tag);
      e.SetEventObject(_task_win);
      wxPostEvent(_task_win, e);
    }
    break;
  default:
    SORRY_BOX();
    break;
  }
}

void xvt_win_release_pointer(void)
{
	if (_mouse_trapper != NULL)
	{
		// cap SHOULD be equal to _mouse_trapper :-)
		wxWindow* cap = _mouse_trapper->GetCapture();
		if (cap != NULL)
      cap->ReleaseMouse();
    _mouse_trapper = NULL;
	}
}

void xvt_win_set_caret_size(WINDOW win, int width, int height)
{
	_TheCaret.SetSize(width, height);
}

void xvt_win_set_caret_pos(WINDOW win, PNT p)
{
	_TheCaret.SetPos(p.h, p.v-1);
}

void xvt_win_set_caret_visible(WINDOW win, BOOLEAN on)
{
	_TheCaret.Show(win, on != 0);
}

void xvt_win_set_cursor(WINDOW win, CURSOR cursor)
{
	CAST_WIN(win, w);
	wxCursor* cur = wxSTANDARD_CURSOR;  // Dummy initilization
	switch (cursor)
	{
	case CURSOR_ARROW: cur = wxSTANDARD_CURSOR; break;
	case CURSOR_CROSS: cur = wxCROSS_CURSOR; break;
	case CURSOR_WAIT : cur = wxHOURGLASS_CURSOR; break;
	default: cur = GetCursorResource(cursor); break; // Always succeeds
	}
	w.SetCursor(*cur);
}

void xvt_win_set_handler(WINDOW win, EVENT_HANDLER eh)
{
	if (win == (WINDOW)_task_win)
	{
		_task_win_handler = eh;
	}
	else
	{
	  CAST_TWIN(win, w);
	  w._eh = eh;
	}
}

void xvt_win_trap_pointer(WINDOW win)
{
	CAST_WIN(win, w);
	xvt_win_release_pointer();
  w.CaptureMouse();
	_mouse_trapper = &w;
}

///////////////////////////////////////////////////////////
// Status bar
///////////////////////////////////////////////////////////

const char* statbar_set_title(WINDOW win, const char* text)
{
	XVT_ASSERT(win == TASK_WIN);
  wxFrame& w = *(wxFrame*)win;

	if (text == NULL)
		text = _strDefaultStatbarText;
	char* tab = strchr(text, '\t');
	if (tab)
	{
		w.SetStatusText(tab+1, 1);
		*tab = '\0';
		w.SetStatusText(text);
		*tab = '\t';
	}
	else
    w.SetStatusText(text);
  return text;
}

const char* statbar_set_default_title(WINDOW win, const char *text)
{
	_strDefaultStatbarText = text;
	return statbar_set_title(win, _strDefaultStatbarText);
}

XVT_FNTID statbar_set_fontid(WINDOW win, XVT_FNTID fontid)
{
	return fontid; // TBI???
}

XVT_FNTID statbar_get_fontid(WINDOW win, XVT_FNTID fontid)
{
	return fontid; // VERIFICARE
}

WINDOW statbar_create(int cid, int left, int top, int right, int bottom,
		 int prop_count, char **prop_list, WINDOW parent_win,
		 int parent_rid, long parent_flags, char *parent_class)
{
  XVT_ASSERT(parent_win == TASK_WIN);
  TTaskWin& w = *(TTaskWin*)_task_win;
	w.CreateStatusBar(2);
	w.GetStatusBar()->Show();
  wxSize sz = w.GetClientSize();
	
	int widths[2];
	widths[0] = -1;
	widths[1] = sz.x / 4;
	w.SetStatusWidths(2, widths);

	return (WINDOW)&w;
}