/*
 * File:	wb_res.cc
 * Purpose:	Resource processor
 * Author:	Julian Smart
 * Created:	1994
 * Updated:	
 * Copyright:	(c) 1994, Julian Smart
 */

static const char sccsid[] = "%W% %G%";

#ifdef __GNUG__
#pragma implementation "wx_res.h"
#endif

// If not MS C++, don't include wx.h: we'll just include
// the minimum set of files.
// If MS C++, we'll use a precompiled header instead.
#if !defined(_MSC_VER) && !defined(wx_wxh)
#define wx_wxh
#endif

#include "common.h"
#include "wx_setup.h"
#include "wx_list.h"
#include "wx_hash.h"
#include "wx_gdi.h"
#include "wx_utils.h"
#include "wx_types.h"
#include "wx_menu.h"

#include "wx.h"

#if USE_WX_RESOURCES

#define RESOURCE_PLATFORM_WINDOWS   1
#define RESOURCE_PLATFORM_X         2
#define RESOURCE_PLATFORM_MAC       3
#define RESOURCE_PLATFORM_ANY       4

#include <ctype.h>
#include <math.h>
#include "wx_res.h"
#include "../../utils/prologio/src/read.h"

// Forward (private) declarations
Bool wxResourceInterpretResources(wxResourceTable& table, PrologDatabase& db);
wxItemResource *wxResourceInterpretDialog(wxResourceTable& table, PrologExpr *expr);
wxItemResource *wxResourceInterpretControl(wxResourceTable& table, PrologExpr *expr);
wxItemResource *wxResourceInterpretMenu(wxResourceTable& table, PrologExpr *expr);
wxItemResource *wxResourceInterpretMenuBar(wxResourceTable& table, PrologExpr *expr);
wxItemResource *wxResourceInterpretString(wxResourceTable& table, PrologExpr *expr);
wxItemResource *wxResourceInterpretBitmap(wxResourceTable& table, PrologExpr *expr);
wxItemResource *wxResourceInterpretIcon(wxResourceTable& table, PrologExpr *expr);
// Interpret list expression
wxFont *wxResourceInterpretFontSpec(wxResourceTable& table, PrologExpr *expr);

Bool wxResourceReadOneResource(FILE *fd, PrologDatabase& db, Bool *eof, wxResourceTable *table = NULL);
Bool wxResourceParseIncludeFile(char *f, wxResourceTable *table = NULL);

wxResourceTable wxDefaultResourceTable;

static char *wxResourceBuffer = NULL;
static long wxResourceBufferSize = 0;
static long wxResourceBufferCount = 0;

IMPLEMENT_DYNAMIC_CLASS(wxItemResource, wxObject)

wxItemResource::wxItemResource(void)
{
  itemType = 0;
  title = NULL;
  name = NULL;
  windowStyle = 0;
  x = y = width = height = 0;
  value1 = value2 = value3 = 0;
  value4 = NULL;
  stringValues = NULL;
  bitmap = NULL;
}

wxItemResource::~wxItemResource(void)
{
  if (title) delete[] title;
  if (name) delete[] name;
  if (value4) delete[] value4;
  if (stringValues)
    delete stringValues;
  if (bitmap)
    delete bitmap;
  wxNode *node = children.First();
  while (node)
  {
    wxItemResource *item = (wxItemResource *)node->Data();
    delete item;
    delete node;
    node = children.First();
  }
}

void wxItemResource::SetTitle(char *t)
{
  if (t)
    title = copystring(t);
  else
    title = NULL;
}

void wxItemResource::SetName(char *n)
{
  if (n)
    name = copystring(n);
  else
    name = NULL;
}

void wxItemResource::SetValue4(char *v)
{
  if (v)
    value4 = copystring(v);
  else
    value4 = NULL;
}

/*
 * Resource table
 */
 
IMPLEMENT_DYNAMIC_CLASS(wxResourceTable, wxHashTable)

wxResourceTable::wxResourceTable(void):wxHashTable(wxKEY_STRING), identifiers(wxKEY_STRING)
{
}

wxResourceTable::~wxResourceTable(void)
{
  ClearTable();
}
    
wxItemResource *wxResourceTable::FindResource(char *name)
{
  wxItemResource *item = (wxItemResource *)Get(name);
  return item;
}

void wxResourceTable::AddResource(wxItemResource *item)
{
  char *name = item->GetName();
  if (!name)
    name = item->GetTitle();
  if (!name)
    name = "no name";

  // Delete existing resource, if any.
  Delete(name);

  Put(name, item);
}

Bool wxResourceTable::DeleteResource(char *name)
{
  wxItemResource *item = (wxItemResource *)Delete(name);
  if (item)
  {
    delete item;
    return TRUE;
  }
  else
    return FALSE;
}

Bool wxResourceTable::ParseResourceFile(char *filename)
{
  PrologDatabase db;

  FILE *fd = fopen(filename, "r");
  if (!fd)
    return FALSE;
  Bool eof = FALSE;
  while (wxResourceReadOneResource(fd, db, &eof, this) && !eof)
  {
    // Loop
  }
  fclose(fd);
  return wxResourceInterpretResources(*this, db);
}

Bool wxResourceTable::ParseResourceData(char *data)
{
  PrologDatabase db;
  if (!db.ReadPrologFromString(data))
  {
    wxError("Ill-formed resource file syntax.");
    return FALSE;
  }

  return wxResourceInterpretResources(*this, db);
}

Bool wxResourceTable::RegisterResourceBitmapData(char *name, char bits[], int width, int height)
{
  // Register pre-loaded bitmap data
  wxItemResource *item = new wxItemResource;
  item->SetType(wxRESOURCE_TYPE_XBM_DATA);
  item->SetName(name);
  item->SetValue1((long)bits);
  item->SetValue2((long)width);
  item->SetValue3((long)height);
  AddResource(item);
  return TRUE;
}

Bool wxResourceTable::RegisterResourceBitmapData(char *name, char **data)
{
  // Register pre-loaded bitmap data
  wxItemResource *item = new wxItemResource;
  item->SetType(wxRESOURCE_TYPE_XPM_DATA);
  item->SetName(name);
  item->SetValue1((long)data);
  AddResource(item);
  return TRUE;
}

Bool wxResourceTable::SaveResource(char *filename)
{
  return FALSE;
}

void wxResourceTable::ClearTable(void)
{
  BeginFind();
  wxNode *node = Next();
  while (node)
  {
    wxNode *next = Next();
    wxItemResource *item = (wxItemResource *)node->Data();
    delete item;
    delete node;
    node = next;
  }
}

/*
 * Interpret database as a series of resources
 */

Bool wxResourceInterpretResources(wxResourceTable& table, PrologDatabase& db)
{
  wxNode *node = db.First();
  while (node)
  {
    PrologExpr *clause = (PrologExpr *)node->Data();
    char *functor = clause->Functor();

    wxItemResource *item = NULL;
    if (strcmp(functor, "dialog") == 0)
      item = wxResourceInterpretDialog(table, clause);
    else if (strcmp(functor, "menubar") == 0)
      item = wxResourceInterpretMenuBar(table, clause);
    else if (strcmp(functor, "menu") == 0)
      item = wxResourceInterpretMenu(table, clause);
    else if (strcmp(functor, "string") == 0)
      item = wxResourceInterpretString(table, clause);
    else if (strcmp(functor, "bitmap") == 0)
      item = wxResourceInterpretBitmap(table, clause);
    else if (strcmp(functor, "icon") == 0)
      item = wxResourceInterpretIcon(table, clause);

    if (item)
      table.AddResource(item);
    node = node->Next();
  }
  return TRUE;
}

wxItemResource *wxResourceInterpretDialog(wxResourceTable& table, PrologExpr *expr)
{
  wxItemResource *dialogItem = new wxItemResource;
  dialogItem->SetType(wxTYPE_DIALOG_BOX);
  char *style = NULL;
  char *title = NULL;
  char *name = NULL;
  long windowStyle = wxDEFAULT_DIALOG_STYLE;
  int x = 0; int y = 0; int width = -1; int height = -1;
  int isModal = 0;
  PrologExpr *labelFontExpr = NULL;
  PrologExpr *buttonFontExpr = NULL;
  expr->AssignAttributeValue("style", &style);
  expr->AssignAttributeValue("name", &name);
  expr->AssignAttributeValue("title", &title);
  expr->AssignAttributeValue("x", &x);
  expr->AssignAttributeValue("y", &y);
  expr->AssignAttributeValue("width", &width);
  expr->AssignAttributeValue("height", &height);
  expr->AssignAttributeValue("modal", &isModal);
  expr->AssignAttributeValue("label_font", &labelFontExpr);
  expr->AssignAttributeValue("button_font", &buttonFontExpr);

  if (style)
  {
    windowStyle = wxParseWindowStyle(style);
  }
  dialogItem->SetStyle(windowStyle);
  dialogItem->SetValue1(isModal);
  if (name)
    dialogItem->SetName(name);
  if (title)
    dialogItem->SetTitle(title);
  dialogItem->SetSize(x, y, width, height);
  if (name)
    delete[] name;
  if (title)
    delete[] title;
  if (style)
    delete[] style;

  if (buttonFontExpr)
    dialogItem->SetValue2((long)wxResourceInterpretFontSpec(table, buttonFontExpr));
  if (labelFontExpr)
    dialogItem->SetValue3((long)wxResourceInterpretFontSpec(table, labelFontExpr));

  // Now parse all controls
  PrologExpr *controlExpr = expr->GetFirst();
  while (controlExpr)
  {
    if (controlExpr->Number() == 3)
    {
      char *controlKeyword = controlExpr->Nth(1)->StringValue();
      if (controlKeyword && (strcmp(controlKeyword, "control") == 0))
      {
        // The value part: always a list.
        PrologExpr *listExpr = controlExpr->Nth(2);
        if (listExpr->Type() == PrologList)
        {
          wxItemResource *controlItem = wxResourceInterpretControl(table, listExpr);
          if (controlItem)
          {
            dialogItem->GetChildren().Append(controlItem);
          }
        }
      }
    }
    controlExpr = controlExpr->GetNext();
  }
  return dialogItem;
}

wxItemResource *wxResourceInterpretControl(wxResourceTable& table, PrologExpr *expr)
{
  char *controlType = expr->Nth(0)->StringValue();
  if (!controlType)
    return NULL;
  wxItemResource *controlItem = new wxItemResource;

  // First, find the standard features of a control definition:
  // title (1), style (2), name (3), x (4), y (5), width (6), height (7)
  PrologExpr *arg1 = expr->Nth(1);
  PrologExpr *arg2 = expr->Nth(2);
  PrologExpr *arg3 = expr->Nth(3);
  PrologExpr *arg4 = expr->Nth(4);
  PrologExpr *arg5 = expr->Nth(5);
  PrologExpr *arg6 = expr->Nth(6);
  PrologExpr *arg7 = expr->Nth(7);

  char *style = NULL;
  char *title = NULL;
  char *name = NULL;
  long windowStyle = 0;
  int x = 0; int y = 0; int width = -1; int height = -1;
  if (arg1)
    title = arg1->StringValue();
  if (arg2)
  {
    style = arg2->StringValue();
    if (style)
      windowStyle = wxParseWindowStyle(style);
  }
  if (arg3)
    name = arg3->StringValue();
  if (arg4)
    x = (int)arg4->IntegerValue();
  if (arg5)
    y = (int)arg5->IntegerValue();
  if (arg6)
    width = (int)arg6->IntegerValue();
  if (arg7)
    height = (int)arg7->IntegerValue();
  controlItem->SetStyle(windowStyle);
  controlItem->SetName(name);
  controlItem->SetTitle(title);
  controlItem->SetSize(x, y, width, height);

  
  if (strcmp(controlType, "wxButton") == 0)
  {
    controlItem->SetType(wxTYPE_BUTTON);
    // Check for bitmap resource name
    if (expr->Nth(8) && ((expr->Nth(8)->Type() == PrologString) || (expr->Nth(8)->Type() == PrologWord)))
      controlItem->SetValue4(expr->Nth(8)->StringValue());
  }
  else if (strcmp(controlType, "wxCheckBox") == 0)
  {
    controlItem->SetType(wxTYPE_CHECK_BOX);
    // Check for default value
    if (expr->Nth(8) && (expr->Nth(8)->Type() == PrologInteger))
      controlItem->SetValue1(expr->Nth(8)->IntegerValue());
  }
  else if (strcmp(controlType, "wxText") == 0)
  {
    controlItem->SetType(wxTYPE_TEXT);
    // Check for default value
    if (expr->Nth(8) && ((expr->Nth(8)->Type() == PrologString) || (expr->Nth(8)->Type() == PrologWord)))
      controlItem->SetValue4(expr->Nth(8)->StringValue());
  }
  else if (strcmp(controlType, "wxMultiText") == 0)
  {
    controlItem->SetType(wxTYPE_MULTI_TEXT);
    // Check for default value
    if (expr->Nth(8) && ((expr->Nth(8)->Type() == PrologString) || (expr->Nth(8)->Type() == PrologWord)))
      controlItem->SetValue4(expr->Nth(8)->StringValue());
  }
  else if (strcmp(controlType, "wxMessage") == 0)
  {
    controlItem->SetType(wxTYPE_MESSAGE);
    // Check for bitmap resource name
    if (expr->Nth(8) && ((expr->Nth(8)->Type() == PrologString) || (expr->Nth(8)->Type() == PrologWord)))
      controlItem->SetValue4(expr->Nth(8)->StringValue());
  }
  else if (strcmp(controlType, "wxGroupBox") == 0)
  {
    controlItem->SetType(wxTYPE_GROUP_BOX);
  }
  else if (strcmp(controlType, "wxGauge") == 0)
  {
    controlItem->SetType(wxTYPE_GAUGE);
    // Check for default value
    if (expr->Nth(8) && (expr->Nth(8)->Type() == PrologInteger))
      controlItem->SetValue1(expr->Nth(8)->IntegerValue());
    // Check for range
    if (expr->Nth(9) && (expr->Nth(9)->Type() == PrologInteger))
      controlItem->SetValue2(expr->Nth(9)->IntegerValue());
  }
  else if (strcmp(controlType, "wxSlider") == 0)
  {
    controlItem->SetType(wxTYPE_SLIDER);
    // Check for default value
    if (expr->Nth(8) && (expr->Nth(8)->Type() == PrologInteger))
      controlItem->SetValue1(expr->Nth(8)->IntegerValue());
    // Check for min
    if (expr->Nth(9) && (expr->Nth(9)->Type() == PrologInteger))
      controlItem->SetValue2(expr->Nth(9)->IntegerValue());
    // Check for max
    if (expr->Nth(10) && (expr->Nth(10)->Type() == PrologInteger))
      controlItem->SetValue3(expr->Nth(10)->IntegerValue());
  }
  else if (strcmp(controlType, "wxListBox") == 0)
  {
    controlItem->SetType(wxTYPE_LIST_BOX);
    PrologExpr *valueList = NULL;

    if ((valueList = expr->Nth(8)) && (valueList->Type() == PrologList))
    {
      wxStringList *stringList = new wxStringList;
      PrologExpr *stringExpr = valueList->GetFirst();
      while (stringExpr)
      {
        stringList->Add(stringExpr->StringValue());
        stringExpr = stringExpr->GetNext();
      }
      controlItem->SetStringValues(stringList);
    }
    // Check for wxSINGLE/wxMULTIPLE
    PrologExpr *mult = NULL;
    controlItem->SetValue1(wxSINGLE);
    if ((mult = expr->Nth(9)) && ((mult->Type() == PrologString)||(mult->Type() == PrologWord)))
    {
      char *m = mult->StringValue();
      if (strcmp(m, "wxMULTIPLE") == 0)
        controlItem->SetValue1(wxMULTIPLE);
      else if (strcmp(m, "wxEXTENDED") == 0)
        controlItem->SetValue1(wxEXTENDED);
    }
  }
  else if (strcmp(controlType, "wxChoice") == 0)
  {
    controlItem->SetType(wxTYPE_CHOICE);
    PrologExpr *valueList = NULL;
    // Check for default value list
    if ((valueList = expr->Nth(8)) && (valueList->Type() == PrologList))
    {
      wxStringList *stringList = new wxStringList;
      PrologExpr *stringExpr = valueList->GetFirst();
      while (stringExpr)
      {
        stringList->Add(stringExpr->StringValue());
        stringExpr = stringExpr->GetNext();
      }
      controlItem->SetStringValues(stringList);
    }
  }
  else if (strcmp(controlType, "wxRadioBox") == 0)
  {
    controlItem->SetType(wxTYPE_RADIO_BOX);
    PrologExpr *valueList = NULL;
    // Check for default value list
    if ((valueList = expr->Nth(8)) && (valueList->Type() == PrologList))
    {
      wxStringList *stringList = new wxStringList;
      PrologExpr *stringExpr = valueList->GetFirst();
      while (stringExpr)
      {
        stringList->Add(stringExpr->StringValue());
        stringExpr = stringExpr->GetNext();
      }
      controlItem->SetStringValues(stringList);
    }
  }
  else
  {
    delete controlItem;
    return NULL;
  }
  return controlItem;
}

// Forward declaration 
wxItemResource *wxResourceInterpretMenu1(wxResourceTable& table, PrologExpr *expr);

/*
 * Interpet a menu item
 */

wxItemResource *wxResourceInterpretMenuItem(wxResourceTable& table, PrologExpr *expr)
{
  wxItemResource *item = new wxItemResource;
  
  PrologExpr *labelExpr = expr->Nth(0);
  PrologExpr *idExpr = expr->Nth(1);
  PrologExpr *helpExpr = expr->Nth(2);
  // Further keywords/attributes to follow sometime...
  if (expr->Number() == 0)
  {
    item->SetType(wxRESOURCE_TYPE_SEPARATOR);
    return item;
  }
  else
  {
    item->SetType(wxTYPE_MENU); // Well, menu item, but doesn't matter.
    if (labelExpr)
    {
      item->SetTitle(labelExpr->StringValue());
    }
    if (idExpr)
    {
      int id = 0;
      // If a string or word, must look up in identifier table.
      if ((idExpr->Type() == PrologString) || (idExpr->Type() == PrologWord))
      {
        id = wxResourceGetIdentifier(idExpr->StringValue(), &table);
        if (id == 0)
        {
          char buf[300];
	  sprintf(buf, "Could not resolve menu id '%s'. Use (non-zero) integer instead\n or provide #define (see manual for caveats)",
                 idExpr->StringValue());
          wxError(buf);
        }
      }
      else if (idExpr->Type() == PrologInteger)
        id = (int)idExpr->IntegerValue();
      item->SetValue1(id);
    }
    if (helpExpr)
    {
      item->SetValue4(helpExpr->StringValue());
    }

    // Find the first expression that's a list, for submenu
    PrologExpr *subMenuExpr = expr->GetFirst();
    while (subMenuExpr && (subMenuExpr->Type() != PrologList))
      subMenuExpr = subMenuExpr->GetNext();
      
    while (subMenuExpr)
    {
      wxItemResource *child = wxResourceInterpretMenuItem(table, subMenuExpr);
      item->GetChildren().Append(child);
      subMenuExpr = subMenuExpr->GetNext();
    }
  }
  return item;
}

/*
 * Interpret a nested list as a menu
 */
/*
wxItemResource *wxResourceInterpretMenu1(wxResourceTable& table, PrologExpr *expr)
{
  wxItemResource *menu = new wxItemResource;
  menu->SetType(wxTYPE_MENU);
  PrologExpr *element = expr->GetFirst();
  while (element)
  {
    wxItemResource *item = wxResourceInterpretMenuItem(table, element);
    if (item)
      menu->GetChildren().Append(item);
    element = element->GetNext();
  }
  return menu;
}
*/

wxItemResource *wxResourceInterpretMenu(wxResourceTable& table, PrologExpr *expr)
{
  PrologExpr *listExpr = NULL;
  expr->AssignAttributeValue("menu", &listExpr);
  if (!listExpr)
    return NULL;
  
  wxItemResource *menuResource = wxResourceInterpretMenuItem(table, listExpr);

  if (!menuResource)
    return NULL;
    
  char *name = NULL;
  expr->AssignAttributeValue("name", &name);
  if (name)
  {
    menuResource->SetName(name);
    delete[] name;
  }
  
  return menuResource;
}

wxItemResource *wxResourceInterpretMenuBar(wxResourceTable& table, PrologExpr *expr)
{
  PrologExpr *listExpr = NULL;
  expr->AssignAttributeValue("menu", &listExpr);
  if (!listExpr)
    return NULL;

  wxItemResource *resource = new wxItemResource;
  resource->SetType(wxTYPE_MENU);
  
  PrologExpr *element = listExpr->GetFirst();
  while (element)
  {
    wxItemResource *menuResource = wxResourceInterpretMenuItem(table, listExpr);
    resource->GetChildren().Append(menuResource);
    element = element->GetNext();
  }

  char *name = NULL;
  expr->AssignAttributeValue("name", &name);
  if (name)
  {
    resource->SetName(name);
    delete[] name;
  }
  
  return resource;
}

wxItemResource *wxResourceInterpretString(wxResourceTable& table, PrologExpr *expr)
{
  return NULL;
}

wxItemResource *wxResourceInterpretBitmap(wxResourceTable& table, PrologExpr *expr)
{
  wxItemResource *bitmapItem = new wxItemResource;
  bitmapItem->SetType(wxTYPE_BITMAP);
  char *name = NULL;
  expr->AssignAttributeValue("name", &name);
  if (name)
  {
    bitmapItem->SetName(name);
    delete[] name;
  }
  // Now parse all bitmap specifications
  PrologExpr *bitmapExpr = expr->GetFirst();
  while (bitmapExpr)
  {
    if (bitmapExpr->Number() == 3)
    {
      char *bitmapKeyword = bitmapExpr->Nth(1)->StringValue();
      if (bitmapKeyword && ((strcmp(bitmapKeyword, "bitmap") == 0)||(strcmp(bitmapKeyword, "icon") == 0)))
      {
        // The value part: always a list.
        PrologExpr *listExpr = bitmapExpr->Nth(2);
        if (listExpr->Type() == PrologList)
        {
          wxItemResource *bitmapSpec = new wxItemResource;
          bitmapSpec->SetType(wxTYPE_BITMAP);

          // List is of form: [filename, bitmaptype, platform, colours, xresolution, yresolution]
          // where everything after 'filename' is optional.
          PrologExpr *nameExpr = listExpr->Nth(0);
          PrologExpr *typeExpr = listExpr->Nth(1);
          PrologExpr *platformExpr = listExpr->Nth(2);
          PrologExpr *coloursExpr = listExpr->Nth(3);
          PrologExpr *xresExpr = listExpr->Nth(4);
          PrologExpr *yresExpr = listExpr->Nth(5);
          if (nameExpr && nameExpr->StringValue())
            bitmapSpec->SetName(nameExpr->StringValue());
          if (typeExpr && typeExpr->StringValue())
            bitmapSpec->SetValue1(wxParseWindowStyle(typeExpr->StringValue()));
          else
            bitmapSpec->SetValue1(0);
            
          if (platformExpr && platformExpr->StringValue())
          {
            char *plat = platformExpr->StringValue();
            if ((strcmp(plat, "windows") == 0) || (strcmp(plat, "WINDOWS") == 0))
              bitmapSpec->SetValue2(RESOURCE_PLATFORM_WINDOWS);
            else if ((strcmp(plat, "x") == 0) || (strcmp(plat, "X") == 0))
              bitmapSpec->SetValue2(RESOURCE_PLATFORM_X);
            else if ((strcmp(plat, "mac") == 0) || (strcmp(plat, "MAC") == 0))
              bitmapSpec->SetValue2(RESOURCE_PLATFORM_MAC);
            else
              bitmapSpec->SetValue2(RESOURCE_PLATFORM_ANY);
          }
          else
            bitmapSpec->SetValue2(RESOURCE_PLATFORM_ANY);

          if (coloursExpr)
            bitmapSpec->SetValue3(coloursExpr->IntegerValue());
          int xres = 0;
          int yres = 0;
          if (xresExpr)
            xres = (int)xresExpr->IntegerValue();
          if (yresExpr)
            yres = (int)yresExpr->IntegerValue();
          bitmapSpec->SetSize(0, 0, xres, yres);
            
          bitmapItem->GetChildren().Append(bitmapSpec);
        }
      }
    }
    bitmapExpr = bitmapExpr->GetNext();
  }
  
  return bitmapItem;
}

wxItemResource *wxResourceInterpretIcon(wxResourceTable& table, PrologExpr *expr)
{
  wxItemResource *item = wxResourceInterpretBitmap(table, expr);
  if (item)
  {
    item->SetType(wxTYPE_ICON);
    return item;
  }
  else
    return NULL;
}

// Interpret list expression as a font
wxFont *wxResourceInterpretFontSpec(wxResourceTable& table, PrologExpr *expr)
{
  if (expr->Type() != PrologList)
    return NULL;

  int point = 10;
  int family = wxSWISS;
  int style = wxNORMAL;
  int weight = wxNORMAL;
  int underline = 0;
  
  PrologExpr *pointExpr = expr->Nth(0);
  PrologExpr *familyExpr = expr->Nth(1);
  PrologExpr *styleExpr = expr->Nth(2);
  PrologExpr *weightExpr = expr->Nth(3);
  PrologExpr *underlineExpr = expr->Nth(4);
  if (pointExpr)
    point = (int)pointExpr->IntegerValue();
  if (familyExpr)
    family = (int)wxParseWindowStyle(familyExpr->StringValue());
  if (styleExpr)
    style = (int)wxParseWindowStyle(styleExpr->StringValue());
  if (weightExpr)
    weight = (int)wxParseWindowStyle(weightExpr->StringValue());
  if (underlineExpr)
    underline = (int)underlineExpr->IntegerValue();
  wxFont *font = wxTheFontList->FindOrCreateFont(point, family, style, weight, underline);
  return font;
}

/*
 * (Re)allocate buffer for reading in from resource file
 */

Bool wxReallocateResourceBuffer(void)
{
  if (!wxResourceBuffer)
  {
    wxResourceBufferSize = 1000;
    wxResourceBuffer = new char[wxResourceBufferSize];
    return TRUE;
  }
  if (wxResourceBuffer)
  {
    long newSize = wxResourceBufferSize + 1000;
    char *tmp = new char[(int)newSize];
    strncpy(tmp, wxResourceBuffer, (int)wxResourceBufferCount);
    delete[] wxResourceBuffer;
    wxResourceBuffer = tmp;
    wxResourceBufferSize = newSize;
  }
  return TRUE;
}

static Bool wxEatWhiteSpace(FILE *fd)
{
  int ch = getc(fd);
  if ((ch != ' ') && (ch != '/') && (ch != ' ') && (ch != 10) && (ch != 13) && (ch != 9))
  {
    ungetc(ch, fd);
    return TRUE;
  }

  // Eat whitespace
  while (ch == ' ' || ch == 10 || ch == 13 || ch == 9)
    ch = getc(fd);
  // Check for comment
  if (ch == '/')
  {
    ch = getc(fd);
    if (ch == '*')
    {
      Bool finished = FALSE;
      while (!finished)
      {
        ch = getc(fd);
        if (ch == EOF)
          return FALSE;
        if (ch == '*')
        {
          int newCh = getc(fd);
          if (newCh == '/')
            finished = TRUE;
          else
          {
            ungetc(newCh, fd);
          }
        }
      }
    }
    else // False alarm
      return FALSE;
  }
  else
    ungetc(ch, fd);
  return wxEatWhiteSpace(fd);
}

Bool wxGetResourceToken(FILE *fd)
{
  if (!wxResourceBuffer)
    wxReallocateResourceBuffer();
  wxResourceBuffer[0] = 0;
  wxEatWhiteSpace(fd);

  int ch = getc(fd);
  if (ch == '"')
  {
    // Get string
    wxResourceBufferCount = 0;
    ch = getc(fd);
    while (ch != '"')
    {
      int actualCh = ch;
      if (ch == EOF)
      {
        wxResourceBuffer[wxResourceBufferCount] = 0;
        return FALSE;
      }
      // Escaped characters
      else if (ch == '\\')
      {
        int newCh = getc(fd);
        if (newCh == '"')
          actualCh = '"';
        else if (newCh == 10)
          actualCh = 10;
        else
        {
          ungetc(newCh, fd);
        }
      }

      if (wxResourceBufferCount >= wxResourceBufferSize)
        wxReallocateResourceBuffer();
      wxResourceBuffer[wxResourceBufferCount] = actualCh;
      wxResourceBufferCount ++;
      ch = getc(fd);
    }
    wxResourceBuffer[wxResourceBufferCount] = 0;
  }
  else
  {
    wxResourceBufferCount = 0;
    // Any other token
    while (ch != ' ' && ch != EOF && ch != ' ' && ch != 13 && ch != 9 && ch != 10)
    {
      if (wxResourceBufferCount >= wxResourceBufferSize)
        wxReallocateResourceBuffer();
      wxResourceBuffer[wxResourceBufferCount] = ch;
      wxResourceBufferCount ++;
      
      ch = getc(fd);
    }
    wxResourceBuffer[wxResourceBufferCount] = 0;
    if (ch == EOF)
      return FALSE;
  }
  return TRUE;
}

/*
 * Files are in form:
  static char *name = "....";
  with possible comments.
 */
 
Bool wxResourceReadOneResource(FILE *fd, PrologDatabase& db, Bool *eof, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  // static or #define
  if (!wxGetResourceToken(fd))
  {
    *eof = TRUE;
    return FALSE;
  }

  if (strcmp(wxResourceBuffer, "#define") == 0)
  {
    wxGetResourceToken(fd);
    char *name = copystring(wxResourceBuffer);
    wxGetResourceToken(fd);
    char *value = copystring(wxResourceBuffer);
    if (isalpha(value[0]))
    {
      int val = (int)atol(value);
      wxResourceAddIdentifier(name, val, table);
    }
    else
    {
      char buf[300];
      sprintf(buf, "#define %s must be an integer.", name);
      wxError(buf);
      delete[] name;
      delete[] value;
      return FALSE;
    }
    delete[] name;
    delete[] value;
 
    return TRUE;
  }
  else if (strcmp(wxResourceBuffer, "#include") == 0)
  {
    wxGetResourceToken(fd);
    char *name = copystring(wxResourceBuffer);
    char *actualName = name;
    if (name[0] == '"')
      actualName = name + 1;
    int len = strlen(name);
    if ((len > 0) && (name[len-1] == '"'))
      name[len-1] = 0;
    if (!wxResourceParseIncludeFile(actualName, table))
    {
      char buf[400];
      sprintf(buf, "Could not find resource include file %s.", actualName);
      wxError(buf);
    }
    delete[] name;
    return TRUE;
  }
  else if (strcmp(wxResourceBuffer, "static") != 0)
  {
    char buf[300];
    strcpy(buf, "Found ");
    strncat(buf, wxResourceBuffer, 30);
    strcat(buf, ", expected static, #include or #define\nwhilst parsing resource.");
    wxError(buf);
    return FALSE;
  }

  // char
  if (!wxGetResourceToken(fd))
  {
    wxError("Unexpected end of file whilst parsing resource.");
    *eof = TRUE;
    return FALSE;
  }

  if (strcmp(wxResourceBuffer, "char") != 0)
  {
    wxError("Expected 'char' whilst parsing resource.");
    return FALSE;
  }
    
  // *name
  if (!wxGetResourceToken(fd))
  {
    wxError("Unexpected end of file whilst parsing resource.");
    *eof = TRUE;
    return FALSE;
  }

  if (wxResourceBuffer[0] != '*')
  {
    wxError("Expected '*' whilst parsing resource.");
    return FALSE;
  }
  char nameBuf[100];
  strncpy(nameBuf, wxResourceBuffer+1, 99);
    
  // =
  if (!wxGetResourceToken(fd))
  {
    wxError("Unexpected end of file whilst parsing resource.");
    *eof = TRUE;
    return FALSE;
  }

  if (strcmp(wxResourceBuffer, "=") != 0)
  {
    wxError("Expected '=' whilst parsing resource.");
    return FALSE;
  }

  // String
  if (!wxGetResourceToken(fd))
  {
    wxError("Unexpected end of file whilst parsing resource.");
    *eof = TRUE;
    return FALSE;
  }
  else
  {
    if (!db.ReadPrologFromString(wxResourceBuffer))
    {
      char buf[300];
      sprintf(buf, "%s: ill-formed resource file syntax.", nameBuf);
      wxError(buf);
      return FALSE;
    }
  }
  // Semicolon
  if (!wxGetResourceToken(fd))
  {
    *eof = TRUE;
  }
  return TRUE;
}

/*
 * Parses string window style into integer window style
 */
 
/*
 * Style flag parsing, e.g.
 * "wxSYSTEM_MENU | wxBORDER" -> integer
 */

char *wxResourceParseWord(char *s, int *i)
{
  if (!s)
    return NULL;

  static char buf[150];
  int len = strlen(s);
  int j = 0;
  int ii = *i;
  while ((ii < len) && (isalpha(s[ii]) || (s[ii] == '_')))
  {
    buf[j] = s[ii];
    j ++;
    ii ++;
  }
  buf[j] = 0;

  // Eat whitespace and conjunction characters
  while ((ii < len) &&
         ((s[ii] == ' ') || (s[ii] == '|') || (s[ii] == ',')))
  {
    ii ++;
  }
  *i = ii;
  if (j == 0)
    return NULL;
  else
    return buf;
}

struct wxResourceBitListStruct
{
  char *word;
  long bits;
};

static wxResourceBitListStruct wxResourceBitListTable[] =
{
  { "wxSINGLE", wxSINGLE },
  { "wxMULTIPLE", wxMULTIPLE },
  { "wxEXTENDED", wxEXTENDED },
  { "wxNEEDED_SB", wxNEEDED_SB },
  { "wxALWAYS_SB", wxALWAYS_SB },
  { "wxVSCROLL", wxVSCROLL },
  { "wxHSCROLL", wxHSCROLL },
  { "wxCAPTION", wxCAPTION },
  { "wxABSOLUTE_POSITIONING", wxABSOLUTE_POSITIONING },
  { "wxSTAY_ON_TOP", wxSTAY_ON_TOP},
  { "wxICONIZE", wxICONIZE},
  { "wxMINIMIZE", wxICONIZE},
  { "wxMAXIMIZE", wxMAXIMIZE},
  { "wxSDI", wxSDI},
  { "wxMDI_PARENT", wxMDI_PARENT},
  { "wxMDI_CHILD", wxMDI_CHILD},
  { "wxTHICK_FRAME", wxTHICK_FRAME},
  { "wxRESIZE_BORDER", wxRESIZE_BORDER},
  { "wxSYSTEM_MENU", wxSYSTEM_MENU},
  { "wxMINIMIZE_BOX", wxMINIMIZE_BOX},
  { "wxMAXIMIZE_BOX", wxMAXIMIZE_BOX},
  { "wxRESIZE_BOX", wxRESIZE_BOX},
  { "wxDEFAULT_FRAME", wxDEFAULT_FRAME},
  { "wxDEFAULT_DIALOG_STYLE", wxDEFAULT_DIALOG_STYLE},
  { "wxBORDER", wxBORDER},
  { "wxRETAINED", wxRETAINED},
  { "wxEDITABLE", wxEDITABLE},
  { "wxREADONLY", wxREADONLY},
  { "wxNATIVE_IMPL", wxNATIVE_IMPL},
  { "wxEXTENDED_IMPL", wxEXTENDED_IMPL},
  { "wxBACKINGSTORE", wxBACKINGSTORE},
  { "wxFLAT", wxFLAT},
  { "wxMOTIF_RESIZE", wxMOTIF_RESIZE},
  { "wxFIXED_LENGTH", wxFIXED_LENGTH},

  // Enhanced dialog (not yet implemented in wxCLIPS)
  { "wxBOTTOM_COMMANDS", wxBOTTOM_COMMANDS},
  { "wxRIGHT_COMMANDS", wxRIGHT_COMMANDS},
  { "wxSTATUS_FOOTER", wxSTATUS_FOOTER},
  { "wxNO_STATUS_FOOTER", wxNO_STATUS_FOOTER},
  { "wxNO_CANCEL_BUTTON", wxNO_CANCEL_BUTTON},
  { "wxCANCEL_BUTTON_FIRST", wxCANCEL_BUTTON_FIRST},
  { "wxCANCEL_BUTTON_SECOND", wxCANCEL_BUTTON_SECOND},
  { "wxCANCEL_BUTTON_LAST", wxCANCEL_BUTTON_LAST},
  { "wxENH_DEFAULT", wxENH_DEFAULT},
  { "wxCOLOURED", wxCOLOURED},
  { "wxTINY_CAPTION_HORIZ", wxTINY_CAPTION_HORIZ},
  { "wxTINY_CAPTION_VERT", wxTINY_CAPTION_VERT},

  // Text font families
  { "wxDEFAULT", wxDEFAULT},
  { "wxDECORATIVE", wxDECORATIVE},
  { "wxROMAN", wxROMAN},
  { "wxSCRIPT", wxSCRIPT},
  { "wxSWISS", wxSWISS},
  { "wxMODERN", wxMODERN},
  { "wxTELETYPE", wxTELETYPE},
  { "wxVARIABLE", wxVARIABLE},
  { "wxFIXED", wxFIXED},
  { "wxNORMAL", wxNORMAL},
  { "wxLIGHT", wxLIGHT},
  { "wxBOLD", wxBOLD},
  { "wxITALIC", wxITALIC},
  { "wxSLANT", wxSLANT},
  { "wxSOLID", wxSOLID},
  { "wxDOT", wxDOT},
  { "wxLONG_DASH", wxLONG_DASH},
  { "wxSHORT_DASH", wxSHORT_DASH},
  { "wxDOT_DASH", wxDOT_DASH},
  { "wxUSER_DASH", wxUSER_DASH},
  { "wxTRANSPARENT", wxTRANSPARENT},
  { "wxSTIPPLE", wxSTIPPLE},
  { "wxBDIAGONAL_HATCH", wxBDIAGONAL_HATCH},
  { "wxCROSSDIAG_HATCH", wxCROSSDIAG_HATCH},
  { "wxFDIAGONAL_HATCH", wxFDIAGONAL_HATCH},
  { "wxCROSS_HATCH", wxCROSS_HATCH},
  { "wxHORIZONTAL_HATCH", wxHORIZONTAL_HATCH},
  { "wxVERTICAL_HATCH", wxVERTICAL_HATCH},
  { "wxJOIN_BEVEL", wxJOIN_BEVEL},
  { "wxJOIN_MITER", wxJOIN_MITER},
  { "wxJOIN_ROUND", wxJOIN_ROUND},
  { "wxCAP_ROUND", wxCAP_ROUND},
  { "wxCAP_PROJECTING", wxCAP_PROJECTING},
  { "wxCAP_BUTT", wxCAP_BUTT},

  // Logical ops
  { "wxCLEAR", wxCLEAR},
  { "wxXOR", wxXOR},
  { "wxINVERT", wxINVERT},
  { "wxOR_REVERSE", wxOR_REVERSE},
  { "wxAND_REVERSE", wxAND_REVERSE},
  { "wxCOPY", wxCOPY},
  { "wxAND", wxAND},
  { "wxAND_INVERT", wxAND_INVERT},
  { "wxNO_OP", wxNO_OP},
  { "wxNOR", wxNOR},
  { "wxEQUIV", wxEQUIV},
  { "wxSRC_INVERT", wxSRC_INVERT},
  { "wxOR_INVERT", wxOR_INVERT},
  { "wxNAND", wxNAND},
  { "wxOR", wxOR},
  { "wxSET", wxSET},

  { "wxFLOOD_SURFACE", wxFLOOD_SURFACE},
  { "wxFLOOD_BORDER", wxFLOOD_BORDER},
  { "wxODDEVEN_RULE", wxODDEVEN_RULE},
  { "wxWINDING_RULE", wxWINDING_RULE},
  { "wxHORIZONTAL", wxHORIZONTAL},
  { "wxVERTICAL", wxVERTICAL},
  { "wxBOTH", wxBOTH},
  { "wxCENTER_FRAME", wxCENTER_FRAME},
  { "wxOK", wxOK},
  { "wxYES_NO", wxYES_NO},
  { "wxCANCEL", wxCANCEL},
  { "wxYES", wxYES},
  { "wxNO", wxNO},
  { "wxICON_EXCLAMATION", wxICON_EXCLAMATION},
  { "wxICON_HAND", wxICON_HAND},
  { "wxICON_QUESTION", wxICON_QUESTION},
  { "wxICON_INFORMATION", wxICON_INFORMATION},
  { "wxICON_STOP", wxICON_STOP},
  { "wxICON_ASTERISK", wxICON_ASTERISK},
  { "wxICON_MASK", wxICON_MASK},
  { "wxCENTRE", wxCENTRE},
  { "wxCENTER", wxCENTRE},
  { "wxUSER_COLOURS", wxUSER_COLOURS},
  { "wxVERTICAL_LABEL", wxVERTICAL_LABEL},

  // Bitmap types (not strictly styles)
  { "wxBITMAP_TYPE_XPM", wxBITMAP_TYPE_XPM},
  { "wxBITMAP_TYPE_XBM", wxBITMAP_TYPE_XBM},
  { "wxBITMAP_TYPE_BMP", wxBITMAP_TYPE_BMP},
  { "wxBITMAP_TYPE_RESOURCE", wxBITMAP_TYPE_BMP_RESOURCE},
  { "wxBITMAP_TYPE_BMP_RESOURCE", wxBITMAP_TYPE_BMP_RESOURCE},
  { "wxBITMAP_TYPE_GIF", wxBITMAP_TYPE_GIF},
  { "wxBITMAP_TYPE_TIF", wxBITMAP_TYPE_TIF},
  { "wxBITMAP_TYPE_ICO", wxBITMAP_TYPE_ICO},
  { "wxBITMAP_TYPE_ICO_RESOURCE", wxBITMAP_TYPE_ICO_RESOURCE},
  { "wxBITMAP_TYPE_CUR", wxBITMAP_TYPE_CUR},
  { "wxBITMAP_TYPE_CUR_RESOURCE", wxBITMAP_TYPE_CUR_RESOURCE},
  { "wxBITMAP_TYPE_XBM_DATA", wxBITMAP_TYPE_XBM_DATA},
  { "wxBITMAP_TYPE_XPM_DATA", wxBITMAP_TYPE_XPM_DATA},
  { "wxBITMAP_TYPE_ANY", wxBITMAP_TYPE_ANY}
};

static int wxResourceBitListCount = (sizeof(wxResourceBitListTable)/sizeof(wxResourceBitListStruct));

long wxParseWindowStyle(char *bitListString)
{
  int i = 0;
  char *word;
  long bitList = 0;
  while (word = wxResourceParseWord(bitListString, &i))
  {
    Bool found = FALSE;
    for (int j = 0; j < wxResourceBitListCount; j++)
      if (strcmp(wxResourceBitListTable[j].word, word) == 0)
      {
        bitList |= wxResourceBitListTable[j].bits;
        found = TRUE;
        break;
      }
    if (!found)
    {
      char buf[200];
      sprintf(buf, "Unrecognized style %s whilst parsing resource.", word);
      wxError(buf);
      return 0;
    }
  }
  return bitList;
}

/*
 * Load a bitmap from a wxWindows resource, choosing an optimum
 * depth and appropriate type.
 */
 
wxBitmap *wxResourceCreateBitmap(char *resource, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  wxItemResource *item = table->FindResource(resource);
  if (item)
  {
    if (item->GetType() != wxTYPE_BITMAP)
    {
      char buf[300];
      sprintf(buf, "%s not a bitmap resource specification.", resource);
      wxError(buf);
      return NULL;
    }
    int thisDepth = wxDisplayDepth();
    long thisNoColours = (long)pow(2.0, (double)thisDepth);

    wxItemResource *optResource = NULL;
    
    // Try to find optimum bitmap for this platform/colour depth
    wxNode *node = item->GetChildren().First();
    while (node)
    {
      wxItemResource *child = (wxItemResource *)node->Data();
      int platform = (int)child->GetValue2();
      int noColours = (int)child->GetValue3();
/*
      char *name = child->GetName();
      int bitmapType = (int)child->GetValue1();
      int xRes = child->GetWidth();
      int yRes = child->GetHeight();
*/

      switch (platform)
      {
        case RESOURCE_PLATFORM_ANY:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours.
            // If noColours is zero (unspecified), then assume this
            // is the right one.
            if ((noColours == 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#ifdef wx_msw
        case RESOURCE_PLATFORM_WINDOWS:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours
            if ((noColours > 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#endif
#ifdef wx_x
        case RESOURCE_PLATFORM_X:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours
            if ((noColours == 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#endif
#ifdef wx_max
        case RESOURCE_PLATFORM_MAC:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours
            if ((noColours == 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#endif
        default:
          break;
      }
      node = node->Next();
    }
    // If no matching resource, fail.
    if (!optResource)
      return NULL;

    char *name = optResource->GetName();
    int bitmapType = (int)optResource->GetValue1();
    wxBitmap *bitmap = NULL;
    switch (bitmapType)
    {
      case wxBITMAP_TYPE_XBM_DATA:
      {
#ifdef wx_x
        wxItemResource *item = table->FindResource(name);
        if (!item)
        {
          char buf[400];
          sprintf(buf, "Failed to find XBM resource %s.\nForgot to use wxResourceLoadBitmapData?", name);
          wxError(buf);
          return NULL;
        }
        bitmap = new wxBitmap((char *)item->GetValue1(), (int)item->GetValue2(), (int)item->GetValue3()); 
#else
        wxError("No XBM facility available!");
#endif
        break;
      }
      case wxBITMAP_TYPE_XPM_DATA:
      {
#if (defined(wx_x) && USE_XPM_IN_X) || (defined(wx_msw) && USE_XPM_IN_MSW)
        wxItemResource *item = table->FindResource(name);
        if (!item)
        {
          char buf[400];
          sprintf(buf, "Failed to find XPM resource %s.\nForgot to use wxResourceLoadBitmapData?", name);
          wxError(buf);
          return NULL;
        }
        bitmap = new wxBitmap((char **)item->GetValue1());
#else
        wxError("No XPM facility available!");
#endif
        break;
      }
      default:
      {
        bitmap = new wxBitmap(name, bitmapType);
        break;
      }
    }
    if (!bitmap)
      return NULL;
      
    if (bitmap->Ok())
    {
      return bitmap;
    }
    else
    {
      delete bitmap;
      return NULL;
    }
  }
  else
  {
    char buf[300];
    sprintf(buf, "Bitmap resource specification %s not found.", resource);
    wxError(buf);
    return NULL;
  }
}

/*
 * Load an icon from a wxWindows resource, choosing an optimum
 * depth and appropriate type.
 */
 
wxIcon *wxResourceCreateIcon(char *resource, wxResourceTable *table)
{
  if (!table)
  table = &wxDefaultResourceTable;
  
  wxItemResource *item = table->FindResource(resource);
  if (item)
  {
    if (item->GetType() != wxTYPE_ICON)
    {
      char buf[300];
      sprintf(buf, "%s not an icon resource specification.", resource);
      wxError(buf);
      return NULL;
    }
    int thisDepth = wxDisplayDepth();
    long thisNoColours = (long)pow(2.0, (double)thisDepth);

    wxItemResource *optResource = NULL;
    
    // Try to find optimum icon for this platform/colour depth
    wxNode *node = item->GetChildren().First();
    while (node)
    {
      wxItemResource *child = (wxItemResource *)node->Data();
      int platform = (int)child->GetValue2();
      int noColours = (int)child->GetValue3();
/*
      char *name = child->GetName();
      int bitmapType = (int)child->GetValue1();
      int xRes = child->GetWidth();
      int yRes = child->GetHeight();
*/

      switch (platform)
      {
        case RESOURCE_PLATFORM_ANY:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours.
            // If noColours is zero (unspecified), then assume this
            // is the right one.
            if ((noColours == 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#ifdef wx_msw
        case RESOURCE_PLATFORM_WINDOWS:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours
            if ((noColours > 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#endif
#ifdef wx_x
        case RESOURCE_PLATFORM_X:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours
            if ((noColours == 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#endif
#ifdef wx_max
        case RESOURCE_PLATFORM_MAC:
        {
          if (!optResource && ((noColours == 0) || (noColours <= thisNoColours)))
            optResource = child;
          else
          {
            // Maximise the number of colours
            if ((noColours == 0) || ((noColours <= thisNoColours) && (noColours > optResource->GetValue3())))
              optResource = child;
          }
          break;
        }
#endif
        default:
          break;
      }
      node = node->Next();
    }
    // If no matching resource, fail.
    if (!optResource)
      return NULL;

    char *name = optResource->GetName();
    int bitmapType = (int)optResource->GetValue1();
    wxIcon *icon = NULL;
    switch (bitmapType)
    {
      case wxBITMAP_TYPE_XBM_DATA:
      {
#ifdef wx_x
        wxItemResource *item = table->FindResource(name);
        if (!item)
        {
          char buf[400];
          sprintf(buf, "Failed to find XBM resource %s.\nForgot to use wxResourceLoadIconData?", name);
          wxError(buf);
          return NULL;
        }
        icon = new wxIcon((char *)item->GetValue1(), (int)item->GetValue2(), (int)item->GetValue3()); 
#else
        wxError("No XBM facility available!");
#endif
        break;
      }
      case wxBITMAP_TYPE_XPM_DATA:
      {
      // *** XPM ICON NOT YET IMPLEMENTED IN WXWINDOWS ***
/*
#if (defined(wx_x) && USE_XPM_IN_X) || (defined(wx_msw) && USE_XPM_IN_MSW)
        wxItemResource *item = table->FindResource(name);
        if (!item)
        {
          char buf[400];
          sprintf(buf, "Failed to find XPM resource %s.\nForgot to use wxResourceLoadIconData?", name);
          wxError(buf);
          return NULL;
        }
        icon = new wxIcon((char **)item->GetValue1());
#else
        wxError("No XPM facility available!");
#endif
*/
        wxError("No XPM icon facility available!");
        break;
      }
      default:
      {
        icon = new wxIcon(name, bitmapType);
        break;
      }
    }
    if (!icon)
      return NULL;
      
    if (icon->Ok())
    {
      return icon;
    }
    else
    {
      delete icon;
      return NULL;
    }
  }
  else
  {
    char buf[300];
    sprintf(buf, "Icon resource specification %s not found.", resource);
    wxError(buf);
    return NULL;
  }
}

wxMenu *wxResourceCreateMenu(wxItemResource *item)
{
  wxMenu *menu = new wxMenu;
  wxNode *node = item->GetChildren().First();
  while (node)
  {
    wxItemResource *child = (wxItemResource *)node->Data();
    if (child->GetType() == wxRESOURCE_TYPE_SEPARATOR)
      menu->AppendSeparator();
    else if (child->GetChildren().Number() > 0)
    {
      wxMenu *subMenu = wxResourceCreateMenu(child);
      if (subMenu)
        menu->Append((int)child->GetValue1(), child->GetTitle(), subMenu, child->GetValue4());
    }
    else
    {
      menu->Append((int)child->GetValue1(), child->GetTitle(), child->GetValue4());
    }
    node = node->Next();
  }
  return menu;
}

wxMenuBar *wxResourceCreateMenuBar(char *resource, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  wxItemResource *menuResource = table->FindResource(resource);
  if (menuResource && (menuResource->GetType() == wxTYPE_MENU))
  {
    wxMenuBar *menuBar = new wxMenuBar;
    wxNode *node = menuResource->GetChildren().First();
    while (node)
    {
      wxItemResource *child = (wxItemResource *)node->Data();
      wxMenu *menu = wxResourceCreateMenu(child);
      if (menu)
        menuBar->Append(menu, child->GetTitle());
      node = node->Next();
    }
    return menuBar;
  }
  return NULL;
}

wxMenu *wxResourceCreateMenu(char *resource, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  wxItemResource *menuResource = table->FindResource(resource);
  if (menuResource && (menuResource->GetType() == wxTYPE_MENU))
    return wxResourceCreateMenu(menuResource);
  return NULL;
}

// Global equivalents (so don't have to refer to default table explicitly)
Bool wxResourceParseData(char *resource, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  return table->ParseResourceData(resource);
}

Bool wxResourceParseFile(char *filename, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  return table->ParseResourceFile(filename);
}

// Register XBM/XPM data
Bool wxResourceRegisterBitmapData(char *name, char bits[], int width, int height, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  return table->RegisterResourceBitmapData(name, bits, width, height);
}

Bool wxResourceRegisterBitmapData(char *name, char **data, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;

  return table->RegisterResourceBitmapData(name, data);
}

void wxResourceClear(wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;

  table->ClearTable();
}

/*
 * Identifiers
 */

Bool wxResourceAddIdentifier(char *name, int value, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  table->identifiers.Put(name, (wxObject *)value);
  return TRUE;
}

int wxResourceGetIdentifier(char *name, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  return (int)table->identifiers.Get(name);
}

/*
 * Parse #include file for #defines (only)
 */

Bool wxResourceParseIncludeFile(char *f, wxResourceTable *table)
{
  if (!table)
    table = &wxDefaultResourceTable;
    
  FILE *fd = fopen(f, "r");
  if (!fd)
  {
    return FALSE;
  }
  while (wxGetResourceToken(fd))
  {
    if (strcmp(wxResourceBuffer, "#define") == 0)
    {
      wxGetResourceToken(fd);
      char *name = copystring(wxResourceBuffer);
      wxGetResourceToken(fd);
      char *value = copystring(wxResourceBuffer);
      if (isdigit(value[0]))
      {
        int val = (int)atol(value);
        wxResourceAddIdentifier(name, val, table);
      }
      delete[] name;
      delete[] value;
    }
  }
  fclose(fd);
  return TRUE;
}


#endif // USE_WX_RESOURCES