checking in the previous changes again, this time with 3 more bugs fixed

gfx/src/gtk/nsFontMetricsGTK.h

@@ -33,27 +33,26 @@
 #include "nsCRT.h"
 #include "nsCOMPtr.h"
 #include "nsRenderingContextGTK.h"
+#include "nsICharRepresentable.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 
-#ifdef ADD_GLYPH
-#undef ADD_GLYPH
-#endif
-#define ADD_GLYPH(map, g) (map)[(g) >> 3] |= (1 << ((g) & 7))
-
-#ifdef FONT_HAS_GLYPH
 #undef FONT_HAS_GLYPH
-#endif
-#define FONT_HAS_GLYPH(map, g) (((map)[(g) >> 3] >> ((g) & 7)) & 1)
+#define FONT_HAS_GLYPH(map, char) IS_REPRESENTABLE(map, char)
 
 typedef struct nsFontCharSetInfo nsFontCharSetInfo;
 
 typedef gint (*nsFontCharSetConverter)(nsFontCharSetInfo* aSelf,
-  const PRUnichar* aSrcBuf, PRInt32 aSrcLen, char* aDestBuf,
-  PRInt32 aDestLen);
+  XFontStruct* aFont, const PRUnichar* aSrcBuf, PRInt32 aSrcLen,
+  char* aDestBuf, PRInt32 aDestLen);
 
 struct nsFontCharSet;
+struct nsFontFamily;
+struct nsFontNode;
+struct nsFontStretch;
+
+class nsFontGTKUserDefined;
 class nsFontMetricsGTK;
 
 class nsFontGTK
@@ -63,7 +62,11 @@ public:
   virtual ~nsFontGTK();
   NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
 
-  void LoadFont(nsFontCharSet* aCharSet, nsFontMetricsGTK* aMetrics);
+  void LoadFont(void);
+
+  inline int SupportsChar(PRUnichar aChar)
+    { return mFont && FONT_HAS_GLYPH(mMap, aChar); };
+
   virtual gint GetWidth(const PRUnichar* aString, PRUint32 aLength) = 0;
   virtual gint DrawString(nsRenderingContextGTK* aContext,
                           nsDrawingSurfaceGTK* aSurface, nscoord aX,
@@ -83,15 +86,11 @@ public:
   PRUint32*              mMap;
   nsFontCharSetInfo*     mCharSetInfo;
   char*                  mName;
+  nsFontGTKUserDefined*  mUserDefinedFont;
   PRUint16               mSize;
-  PRUint16               mActualSize;
   PRInt16                mBaselineAdjust;
 };
 
-struct nsFontStretch;
-struct nsFontFamily;
-typedef struct nsFontSearch nsFontSearch;
-
 class nsFontMetricsGTK : public nsIFontMetrics
 {
 public:
@@ -129,32 +128,41 @@ public:
   virtual nsresult GetSpaceWidth(nscoord &aSpaceWidth);
 
   nsFontGTK*  FindFont(PRUnichar aChar);
-  void        FindGenericFont(nsFontSearch* aSearch);
-  void        FindSubstituteFont(nsFontSearch* aSearch);
-  static void InitFonts(void);
+  nsFontGTK*  FindUserDefinedFont(PRUnichar aChar);
+  nsFontGTK*  FindLocalFont(PRUnichar aChar);
+  nsFontGTK*  FindGenericFont(PRUnichar aChar);
+  nsFontGTK*  FindGlobalFont(PRUnichar aChar);
+  nsFontGTK*  FindSubstituteFont(PRUnichar aChar);
+
+  nsFontGTK*  SearchNode(nsFontNode* aNode, PRUnichar aChar);
+  nsFontGTK*  TryAliases(nsCString* aName, PRUnichar aChar);
+  nsFontGTK*  TryFamily(nsCString* aName, PRUnichar aChar);
+  nsFontGTK*  TryNode(nsCString* aName, PRUnichar aChar);
+
+  nsFontGTK*  PickASizeAndLoad(nsFontStretch* aStretch,
+                               nsFontCharSetInfo* aCharSet, PRUnichar aChar);
+
   static nsresult FamilyExists(const nsString& aFontName);
 
-  friend void PickASizeAndLoad(nsFontSearch* aSearch, nsFontStretch* aStretch,
-                               nsFontCharSet* aCharSet);
-  friend void TryCharSet(nsFontSearch* aSearch, nsFontCharSet* aCharSet);
-  friend void TryFamily(nsFontSearch* aSearch, nsFontFamily* aFamily);
-  friend struct nsFontGTK;
+  //friend struct nsFontGTK;
 
   nsFontGTK   **mLoadedFonts;
   PRUint16    mLoadedFontsAlloc;
   PRUint16    mLoadedFontsCount;
 
-  int         mInFindSubstituteFont;
   nsFontGTK   *mSubstituteFont;
 
-  nsString    *mFonts;
-  PRUint16    mFontsAlloc;
-  PRUint16    mFontsCount;
+  nsCStringArray mFonts;
   PRUint16       mFontsIndex;
+  nsVoidArray    mFontIsGeneric;
 
-  nsString          *mGeneric;
-  int               mTriedAllGenerics;
+  nsCAutoString     mDefaultFont;
+  nsCString         *mGeneric;
   nsCOMPtr<nsIAtom> mLangGroup;
+  nsCAutoString     mUserDefined;
+
+  PRUint8 mTriedAllGenerics;
+  PRUint8 mIsUserDefined;
 
 protected:
   void RealizeFont();