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Add default constructor to wxGraphicsGradientStop.
[wxWidgets.git] / src / gtk1 / font.cpp
diff --git a/src/gtk1/font.cpp b/src/gtk1/font.cpp
index 0dbf09dd4d352889a2c89e73d657643db92c31fe..9970976eff9d4b89f28c0cd6220d279836345964 100644 (file)
--- a/src/gtk1/font.cpp
+++ b/src/gtk1/font.cpp
@@ -1,9 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        font.cpp
+// Name:        src/gtk1/font.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling and Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -15,291 +15,477 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "font.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/font.h"
 
 #include "wx/font.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/settings.h"
+    #include "wx/cmndata.h"
+    #include "wx/gdicmn.h"
+#endif
+
 #include "wx/fontutil.h"
 #include "wx/fontutil.h"
-#include "wx/cmndata.h"
 #include "wx/utils.h"
 #include "wx/utils.h"
-#include "wx/log.h"
-#include "wx/gdicmn.h"
 #include "wx/tokenzr.h"
 #include "wx/tokenzr.h"
-#include "wx/settings.h"
 
 #include <strings.h>
 
 
 #include <strings.h>
 
-#include <gdk/gdk.h>
+#include "wx/gtk1/private.h"
 #include <gdk/gdkprivate.h>
 #include <gdk/gdkprivate.h>
-#include <gtk/gtk.h>
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the default size (in points) for the fonts
+static const int wxDEFAULT_FONT_SIZE = 12;
+
+// ----------------------------------------------------------------------------
+// wxScaledFontList: maps the font sizes to the GDK fonts for the given font
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_HASH_MAP(int, GdkFont *, wxIntegerHash, wxIntegerEqual,
+                    wxScaledFontList);
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
-class wxFontRefData : public wxObjectRefData
+class wxFontRefData : public wxGDIRefData
 {
 public:
 {
 public:
-    wxFontRefData(int size = wxDEFAULT,
-                  int family = wxDEFAULT,
-                  int style = wxDEFAULT,
-                  int weight = wxDEFAULT,
-                  bool underlined = FALSE,
+    // from broken down font parameters, also default ctor
+    wxFontRefData(int size = -1,
+                  wxFontFamily family = wxFONTFAMILY_DEFAULT,
+                  wxFontStyle style = wxFONTSTYLE_NORMAL,
+                  wxFontWeight weight = wxFONTWEIGHT_NORMAL,
+                  bool underlined = false,
                   const wxString& faceName = wxEmptyString,
                   const wxString& faceName = wxEmptyString,
-                  wxFontEncoding encoding = wxFONTENCODING_DEFAULT,
-                  const wxNativeFontInfo& info = wxNullNativeFontInfo);
+                  wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+    // from XFLD
+    wxFontRefData(const wxString& fontname);
+
+    // copy ctor
     wxFontRefData( const wxFontRefData& data );
     wxFontRefData( const wxFontRefData& data );
+
     virtual ~wxFontRefData();
 
     virtual ~wxFontRefData();
 
+    // do we have the native font info?
+    bool HasNativeFont() const
+    {
+        // only use m_nativeFontInfo if it had been initialized
+        return !m_nativeFontInfo.IsDefault();
+    }
+
+    // setters: all of them also take care to modify m_nativeFontInfo if we
+    // have it so as to not lose the information not carried by our fields
+    void SetPointSize(int pointSize);
+    void SetFamily(wxFontFamily family);
+    void SetStyle(wxFontStyle style);
+    void SetWeight(wxFontWeight weight);
+    void SetUnderlined(bool underlined);
+    bool SetFaceName(const wxString& facename);
+    void SetEncoding(wxFontEncoding encoding);
+
+    // and this one also modifies all the other font data fields
+    void SetNativeFontInfo(const wxNativeFontInfo& info);
+
 protected:
     // common part of all ctors
     void Init(int pointSize,
 protected:
     // common part of all ctors
     void Init(int pointSize,
-              int family,
-              int style,
-              int weight,
+              wxFontFamily family,
+              wxFontStyle style,
+              wxFontWeight weight,
               bool underlined,
               const wxString& faceName,
               bool underlined,
               const wxString& faceName,
-              wxFontEncoding encoding,
-              const wxNativeFontInfo& info);
+              wxFontEncoding encoding);
+
+    // set all fields from (already initialized and valid) m_nativeFontInfo
+    void InitFromNative();
 
 private:
 
 private:
-    wxList          m_scaled_xfonts;
+    // clear m_scaled_xfonts if any
+    void ClearGdkFonts();
+
+    // the map of font sizes to "GdkFont *"
+    wxScaledFontList  m_scaled_xfonts;
+
     int             m_pointSize;
     int             m_pointSize;
-    int             m_family,
-                    m_style,
-                    m_weight;
+    wxFontFamily    m_family;
+    wxFontStyle     m_style;
+    wxFontWeight    m_weight;
     bool            m_underlined;
     wxString        m_faceName;
     bool            m_underlined;
     wxString        m_faceName;
-    wxFontEncoding  m_encoding;
+    wxFontEncoding  m_encoding;  // Unused under GTK 2.0
+
+    // The native font info, basicly an XFLD under GTK 1.2 and
+    // the pango font description under GTK 2.0.
     wxNativeFontInfo m_nativeFontInfo;
 
     friend class wxFont;
 };
 
     wxNativeFontInfo m_nativeFontInfo;
 
     friend class wxFont;
 };
 
-// ============================================================================
-// implementation
-// ============================================================================
+#define M_FONTDATA ((wxFontRefData*)m_refData)
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
-                         int family,
-                         int style,
-                         int weight,
+                         wxFontFamily family,
+                         wxFontStyle style,
+                         wxFontWeight weight,
                          bool underlined,
                          const wxString& faceName,
                          bool underlined,
                          const wxString& faceName,
-                         wxFontEncoding encoding,
-                         const wxNativeFontInfo& info = wxNullNativeFontInfo)
+                         wxFontEncoding encoding)
 {
 {
-    if (family == wxDEFAULT)
-        m_family = wxSWISS;
-    else
-        m_family = family;
+    m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
 
     m_faceName = faceName;
 
 
     m_faceName = faceName;
 
-    if (style == wxDEFAULT)
-        m_style = wxNORMAL;
-    else
-        m_style = style;
+    // we accept both wxDEFAULT and wxNORMAL here - should we?
+    m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
+    m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 
 
-    if (weight == wxDEFAULT)
-        m_weight = wxNORMAL;
-    else
-        m_weight = weight;
-
-    if (pointSize == wxDEFAULT)
-        m_pointSize = 12;
-    else
-        m_pointSize = pointSize;
+    // and here, do we really want to forbid creation of the font of the size
+    // 90 (the value of wxDEFAULT)??
+    m_pointSize = pointSize == wxDEFAULT || pointSize == -1
+                    ? wxDEFAULT_FONT_SIZE
+                    : pointSize;
 
     m_underlined = underlined;
     m_encoding = encoding;
 
     m_underlined = underlined;
     m_encoding = encoding;
-    m_nativeFontInfo = info;
+}
+
+void wxFontRefData::InitFromNative()
+{
+    // get the font parameters from the XLFD
+    // -------------------------------------
+
+    m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
+
+    m_weight = wxFONTWEIGHT_NORMAL;
+
+    wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
+    if ( !w.empty() && w != wxT('*') )
+    {
+        // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
+        // and BLACK
+        if ( ((w[0u] == wxT('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) ||
+                                   !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) ||
+             wxStrstr(w.c_str() + 1, wxT("BOLD")) )
+        {
+            m_weight = wxFONTWEIGHT_BOLD;
+        }
+        else if ( w == wxT("LIGHT") || w == wxT("THIN") )
+        {
+            m_weight = wxFONTWEIGHT_LIGHT;
+        }
+    }
+
+    switch ( wxToupper(m_nativeFontInfo.
+                           GetXFontComponent(wxXLFD_SLANT)[0u]).GetValue() )
+    {
+        case wxT('I'):   // italique
+            m_style = wxFONTSTYLE_ITALIC;
+            break;
+
+        case wxT('O'):   // oblique
+            m_style = wxFONTSTYLE_SLANT;
+            break;
+
+        default:
+            m_style = wxFONTSTYLE_NORMAL;
+    }
+
+    long ptSize;
+    if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) )
+    {
+        // size in XLFD is in 10 point units
+        m_pointSize = (int)(ptSize / 10);
+    }
+    else
+    {
+        m_pointSize = wxDEFAULT_FONT_SIZE;
+    }
+
+    // examine the spacing: if the font is monospaced, assume wxTELETYPE
+    // family for compatibility with the old code which used it instead of
+    // IsFixedWidth()
+    if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == wxT('M') )
+    {
+        m_family = wxFONTFAMILY_TELETYPE;
+    }
+    else // not monospaceed
+    {
+        // don't even try guessing it, it doesn't work for too many fonts
+        // anyhow
+        m_family = wxFONTFAMILY_UNKNOWN;
+    }
+
+    // X fonts are never underlined...
+    m_underlined = false;
+
+    // deal with font encoding
+    wxString
+        registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(),
+        encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper();
+
+    if ( registry == wxT("ISO8859") )
+    {
+        int cp;
+        if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
+        {
+            m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
+        }
+    }
+    else if ( registry == wxT("MICROSOFT") )
+    {
+        int cp;
+        if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
+        {
+            m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
+        }
+    }
+    else if ( registry == wxT("KOI8") )
+    {
+        m_encoding = wxFONTENCODING_KOI8;
+    }
+    else // unknown encoding
+    {
+        // may be give a warning here? or use wxFontMapper?
+        m_encoding = wxFONTENCODING_SYSTEM;
+    }
 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
-    : m_scaled_xfonts(wxKEY_INTEGER)
+             : wxGDIRefData()
 {
 {
-    Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
-        data.m_underlined, data.m_faceName, data.m_encoding,
-        data.m_nativeFontInfo );
+    m_pointSize = data.m_pointSize;
+    m_family = data.m_family;
+    m_style = data.m_style;
+    m_weight = data.m_weight;
+
+    m_underlined = data.m_underlined;
+
+    m_faceName = data.m_faceName;
+    m_encoding = data.m_encoding;
+
+    // Forces a copy of the internal data.  wxNativeFontInfo should probably
+    // have a copy ctor and assignment operator to fix this properly but that
+    // would break binary compatibility...
+    m_nativeFontInfo.FromString(data.m_nativeFontInfo.ToString());
 }
 
 }
 
-wxFontRefData::wxFontRefData(int size, int family, int style,
-    int weight, bool underlined, const wxString& faceName, wxFontEncoding encoding,
-    const wxNativeFontInfo& info = wxNullNativeFontInfo)
-    : m_scaled_xfonts(wxKEY_INTEGER)
+wxFontRefData::wxFontRefData(int size, wxFontFamily family, wxFontStyle style,
+                             wxFontWeight weight, bool underlined,
+                             const wxString& faceName,
+                             wxFontEncoding encoding)
 {
 {
-    Init(size, family, style, weight,
-        underlined, faceName, encoding, info);
+    Init(size, family, style, weight, underlined, faceName, encoding);
 }
 
 }
 
-wxFontRefData::~wxFontRefData()
+wxFontRefData::wxFontRefData(const wxString& fontname)
 {
 {
-    wxNode *node = m_scaled_xfonts.First();
-    while (node)
+    // FromString() should really work in GTK1 too, doesn't it?
+    m_nativeFontInfo.SetXFontName(fontname);
+
+    InitFromNative();
+}
+
+void wxFontRefData::ClearGdkFonts()
+{
+    for ( wxScaledFontList::iterator i = m_scaled_xfonts.begin();
+          i != m_scaled_xfonts.end();
+          ++i )
     {
     {
-        GdkFont *font = (GdkFont*)node->Data();
-        wxNode *next = node->Next();
+        GdkFont *font = i->second;
         gdk_font_unref( font );
         gdk_font_unref( font );
-        node = next;
     }
     }
-}
-
-// ----------------------------------------------------------------------------
-// wxNativeFontInfo
-// ----------------------------------------------------------------------------
 
 
-bool wxNativeFontInfo::FromString(const wxString& s)
-{
-    xFontName = s;
-    return TRUE;
+    m_scaled_xfonts.clear();
 }
 
 }
 
-wxString wxNativeFontInfo::ToString() const
+wxFontRefData::~wxFontRefData()
 {
 {
-    return xFontName;
+    ClearGdkFonts();
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
-// wxFont
+// wxFontRefData SetXXX()
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
-
-void wxFont::Init()
+void wxFontRefData::SetPointSize(int pointSize)
 {
 {
-    if (wxTheFontList)
-        wxTheFontList->Append( this );
-}
+    m_pointSize = pointSize;
 
 
-wxFont::wxFont(const wxNativeFontInfo& info)
-{
-    Create(info.xFontName, wxFontData());
+    if ( HasNativeFont() )
+    {
+        wxString size;
+        if ( pointSize == -1 )
+            size = wxT('*');
+        else
+            size.Printf(wxT("%d"), 10*pointSize);
+
+        m_nativeFontInfo.SetXFontComponent(wxXLFD_POINTSIZE, size);
+    }
 }
 
 }
 
-bool wxFont::Create( int pointSize,
-                     int family,
-                     int style,
-                     int weight,
-                     bool underlined,
-                     const wxString& face,
-                     wxFontEncoding encoding,
-                     const wxNativeFontInfo& info )
+void wxFontRefData::SetFamily(wxFontFamily family)
 {
 {
-    m_refData = new wxFontRefData(pointSize, family, style, weight,
-                                  underlined, face, encoding, info);
+    m_family = family;
 
 
-    return TRUE;
+    // TODO: what are we supposed to do with m_nativeFontInfo here?
 }
 
 }
 
-bool wxFont::Create(const wxString& fontname, const wxFontData& fontdata)
+void wxFontRefData::SetStyle(wxFontStyle style)
 {
 {
-    Init();
+    m_style = style;
 
 
-    if(!fontname)
+    if ( HasNativeFont() )
     {
     {
-         *this = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT);
-         return TRUE;
+        wxString slant;
+        switch ( style )
+        {
+            case wxFONTSTYLE_ITALIC:
+                slant = wxT('i');
+                break;
+
+            case wxFONTSTYLE_SLANT:
+                slant = wxT('o');
+                break;
+
+            default:
+                wxFAIL_MSG( wxT("unknown font style") );
+                // fall through
+
+            case wxFONTSTYLE_NORMAL:
+                slant = wxT('r');
+        }
+
+        m_nativeFontInfo.SetXFontComponent(wxXLFD_SLANT, slant);
     }
     }
+}
 
 
-    m_refData = new wxFontRefData();
+void wxFontRefData::SetWeight(wxFontWeight weight)
+{
+    m_weight = weight;
 
 
-    M_FONTDATA->m_nativeFontInfo.xFontName = fontname;  // X font name
+    if ( HasNativeFont() )
+    {
+        wxString boldness;
+        switch ( weight )
+        {
+            case wxFONTWEIGHT_BOLD:
+                boldness = wxT("bold");
+                break;
 
 
-    wxString tmp;
+            case wxFONTWEIGHT_LIGHT:
+                boldness = wxT("light");
+                break;
 
 
-    wxStringTokenizer tn( fontname, wxT("-") );
+            default:
+                wxFAIL_MSG( wxT("unknown font weight") );
+                // fall through
 
 
-    tn.GetNextToken();                           // skip initial empty token
-    tn.GetNextToken();                           // foundry
+            case wxFONTWEIGHT_NORMAL:
+                // unspecified
+                boldness = wxT("medium");
+        }
+
+        m_nativeFontInfo.SetXFontComponent(wxXLFD_WEIGHT, boldness);
+    }
+}
 
 
+void wxFontRefData::SetUnderlined(bool underlined)
+{
+    m_underlined = underlined;
 
 
-    M_FONTDATA->m_faceName = tn.GetNextToken();  // family
+    // the XLFD doesn't have "underlined" field anyhow
+}
 
 
-    tmp = tn.GetNextToken().MakeUpper();         // weight
-    if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
-    if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
-    if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
-    if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
-    if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
+bool wxFontRefData::SetFaceName(const wxString& facename)
+{
+    m_faceName = facename;
 
 
-    if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
-    if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
+    if ( HasNativeFont() )
+    {
+        m_nativeFontInfo.SetXFontComponent(wxXLFD_FAMILY, facename);
+    }
 
 
-    tmp = tn.GetNextToken().MakeUpper();        // slant
-    if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
-    if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
+    return true;
+}
 
 
-    tn.GetNextToken();                           // set width
-    tn.GetNextToken();                           // add. style
-    tn.GetNextToken();                           // pixel size
+void wxFontRefData::SetEncoding(wxFontEncoding encoding)
+{
+    m_encoding = encoding;
 
 
-    tmp = tn.GetNextToken();                     // pointsize
-    if (tmp != wxT("*"))
+    if ( HasNativeFont() )
     {
     {
-        long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
-        M_FONTDATA->m_pointSize = (int)(num / 10);
+        wxNativeEncodingInfo info;
+        if ( wxGetNativeFontEncoding(encoding, &info) )
+        {
+            m_nativeFontInfo.SetXFontComponent(wxXLFD_REGISTRY, info.xregistry);
+            m_nativeFontInfo.SetXFontComponent(wxXLFD_ENCODING, info.xencoding);
+        }
     }
     }
+}
 
 
-    tn.GetNextToken();                           // x-res
-    tn.GetNextToken();                           // y-res
+void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
+{
+    // previously cached fonts shouldn't be used
+    ClearGdkFonts();
 
 
-    tmp = tn.GetNextToken().MakeUpper();         // spacing
+    m_nativeFontInfo = info;
 
 
-    if (tmp == wxT("M"))
-        M_FONTDATA->m_family = wxMODERN;
-    else if (M_FONTDATA->m_faceName == wxT("TIMES"))
-        M_FONTDATA->m_family = wxROMAN;
-    else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
-        M_FONTDATA->m_family = wxSWISS;
-    else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
-        M_FONTDATA->m_family = wxTELETYPE;
-    else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
-        M_FONTDATA->m_family = wxDECORATIVE;
-    else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
-        M_FONTDATA->m_family = wxSCRIPT;
+    // set all the other font parameters from the native font info
+    InitFromNative();
+}
 
 
-    tn.GetNextToken();                           // avg width
+// ----------------------------------------------------------------------------
+// wxFont creation
+// ----------------------------------------------------------------------------
 
 
-    // deal with font encoding
-    M_FONTDATA->m_encoding = fontdata.GetEncoding();
-    if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
+IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+
+wxFont::wxFont(const wxNativeFontInfo& info)
+{
+    (void) Create(info.GetXFontName());
+}
+
+bool wxFont::Create( int pointSize,
+                    wxFontFamily family,
+                    wxFontStyle style,
+                    wxFontWeight weight,
+                     bool underlined,
+                     const wxString& face,
+                     wxFontEncoding encoding)
+{
+    UnRef();
+
+    m_refData = new wxFontRefData(pointSize, family, style, weight,
+                                  underlined, face, encoding);
+
+    return true;
+}
+
+bool wxFont::Create(const wxString& fontname)
+{
+    // VZ: does this really happen?
+    if ( fontname.empty() )
     {
     {
-        wxString registry = tn.GetNextToken().MakeUpper(),
-                 encoding = tn.GetNextToken().MakeUpper();
+        *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 
 
-        if ( registry == _T("ISO8859") )
-        {
-            int cp;
-            if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
-            {
-                M_FONTDATA->m_encoding =
-                    (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
-            }
-        }
-        else if ( registry == _T("MICROSOFT") )
-        {
-            int cp;
-            if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
-            {
-                M_FONTDATA->m_encoding =
-                    (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
-            }
-        }
-        else if ( registry == _T("KOI8") )
-        {
-            M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
-        }
-        //else: unknown encoding - may be give a warning here?
-        else
-            return FALSE;
+        return true;
     }
     }
-    return TRUE;
+
+    m_refData = new wxFontRefData(fontname);
+
+    return true;
 }
 
 void wxFont::Unshare()
 }
 
 void wxFont::Unshare()
@@ -318,8 +504,16 @@ void wxFont::Unshare()
 
 wxFont::~wxFont()
 {
 
 wxFont::~wxFont()
 {
-    if (wxTheFontList)
-        wxTheFontList->DeleteObject( this );
+}
+
+wxGDIRefData *wxFont::CreateGDIRefData() const
+{
+    return new wxFontRefData;
+}
+
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
+{
+    return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -335,56 +529,77 @@ int wxFont::GetPointSize() const
 
 wxString wxFont::GetFaceName() const
 {
 
 wxString wxFont::GetFaceName() const
 {
-    wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 
     return M_FONTDATA->m_faceName;
 }
 
 
     return M_FONTDATA->m_faceName;
 }
 
-int wxFont::GetFamily() const
+wxFontFamily wxFont::GetFamily() const
 {
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTFAMILY_MAX, wxT("invalid font") );
 
     return M_FONTDATA->m_family;
 }
 
 
     return M_FONTDATA->m_family;
 }
 
-int wxFont::GetStyle() const
+wxFontStyle wxFont::GetStyle() const
 {
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTSTYLE_MAX, wxT("invalid font") );
 
     return M_FONTDATA->m_style;
 }
 
 
     return M_FONTDATA->m_style;
 }
 
-int wxFont::GetWeight() const
+wxFontWeight wxFont::GetWeight() const
 {
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTWEIGHT_MAX, wxT("invalid font") );
 
     return M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {
 
     return M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {
-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 
     return M_FONTDATA->m_underlined;
 }
 
 
     return M_FONTDATA->m_underlined;
 }
 
-
 wxFontEncoding wxFont::GetEncoding() const
 {
     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 
 wxFontEncoding wxFont::GetEncoding() const
 {
     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 
+    // m_encoding is unused in wxGTK2, return encoding that the user set.
     return M_FONTDATA->m_encoding;
 }
 
     return M_FONTDATA->m_encoding;
 }
 
-wxNativeFontInfo wxFont::GetNativeFontInfo() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 {
 {
-    wxCHECK_MSG( Ok(), wxNullNativeFontInfo, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
 
 
-    if(M_FONTDATA->m_nativeFontInfo.xFontName.IsEmpty())
+    if ( !M_FONTDATA->HasNativeFont() )
+    {
+        // NB: this call has important side-effect: it not only finds
+        //     GdkFont representation, it also initializes m_nativeFontInfo
+        //     by calling its SetXFontName method
         GetInternalFont();
         GetInternalFont();
-    return M_FONTDATA->m_nativeFontInfo;
+    }
+
+    return &(M_FONTDATA->m_nativeFontInfo);
 }
 
 }
 
+bool wxFont::IsFixedWidth() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+
+    if ( M_FONTDATA->HasNativeFont() )
+    {
+        // the monospace fonts are supposed to have "M" in the spacing field
+        wxString spacing = M_FONTDATA->
+                            m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
+
+        return spacing.Upper() == wxT('M');
+    }
+
+    return wxFontBase::IsFixedWidth();
+}
 
 // ----------------------------------------------------------------------------
 // change font attributes
 
 // ----------------------------------------------------------------------------
 // change font attributes
@@ -394,71 +609,67 @@ void wxFont::SetPointSize(int pointSize)
 {
     Unshare();
 
 {
     Unshare();
 
-    M_FONTDATA->m_pointSize = pointSize;
-    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
+    M_FONTDATA->SetPointSize(pointSize);
 }
 
 }
 
-void wxFont::SetFamily(int family)
+void wxFont::SetFamily(wxFontFamily family)
 {
     Unshare();
 
 {
     Unshare();
 
-    M_FONTDATA->m_family = family;
-    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
+    M_FONTDATA->SetFamily(family);
 }
 
 }
 
-void wxFont::SetStyle(int style)
+void wxFont::SetStyle(wxFontStyle style)
 {
     Unshare();
 
 {
     Unshare();
 
-    M_FONTDATA->m_style = style;
-    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
+    M_FONTDATA->SetStyle(style);
 }
 
 }
 
-void wxFont::SetWeight(int weight)
+void wxFont::SetWeight(wxFontWeight weight)
 {
     Unshare();
 
 {
     Unshare();
 
-    M_FONTDATA->m_weight = weight;
-    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
+    M_FONTDATA->SetWeight(weight);
 }
 
 }
 
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)
 {
     Unshare();
 
 {
     Unshare();
 
-    M_FONTDATA->m_faceName = faceName;
-    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
+    return M_FONTDATA->SetFaceName(faceName) &&
+           wxFontBase::SetFaceName(faceName);
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
     Unshare();
 
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
     Unshare();
 
-    M_FONTDATA->m_underlined = underlined;
+    M_FONTDATA->SetUnderlined(underlined);
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
     Unshare();
 
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
     Unshare();
 
-    M_FONTDATA->m_encoding = encoding;
-    M_FONTDATA->m_nativeFontInfo.xFontName.Clear();            // invalid now
+    M_FONTDATA->SetEncoding(encoding);
 }
 
 }
 
-void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
 {
     Unshare();
 
 {
     Unshare();
 
-    M_FONTDATA->m_nativeFontInfo = info;
+    M_FONTDATA->SetNativeFontInfo( info );
 }
 
 // ----------------------------------------------------------------------------
 // get internal representation of font
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // get internal representation of font
 // ----------------------------------------------------------------------------
 
-static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL;
+static GdkFont *g_systemDefaultGuiFont = NULL;
 
 
-GdkFont *GtkGetDefaultGuiFont()
+// this is also used from toolbar.cpp and tooltip.cpp, hence extern
+extern GdkFont *GtkGetDefaultGuiFont()
 {
     if (!g_systemDefaultGuiFont)
     {
 {
     if (!g_systemDefaultGuiFont)
     {
@@ -476,46 +687,68 @@ GdkFont *GtkGetDefaultGuiFont()
         }
         gtk_widget_destroy( widget );
     }
         }
         gtk_widget_destroy( widget );
     }
+    else
+    {
+        // already have it, but ref it once more before returning
+        gdk_font_ref(g_systemDefaultGuiFont);
+    }
+
     return g_systemDefaultGuiFont;
 }
 
 GdkFont *wxFont::GetInternalFont( float scale ) const
 {
     return g_systemDefaultGuiFont;
 }
 
 GdkFont *wxFont::GetInternalFont( float scale ) const
 {
-    if (!Ok())
-    {
-        wxFAIL_MSG( wxT("invalid font") );
+    GdkFont *font = NULL;
 
 
-        return (GdkFont*) NULL;
-    }
+    wxCHECK_MSG( Ok(), font, wxT("invalid font") );
 
 
-    long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
+    long int_scale = long(scale * 100.0 + 0.5); // key for fontlist
     int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
     int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
-    GdkFont *font = (GdkFont *) NULL;
 
 
-    wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
-    if (node)
+    wxScaledFontList& list = M_FONTDATA->m_scaled_xfonts;
+    wxScaledFontList::iterator i = list.find(int_scale);
+    if ( i != list.end() )
     {
     {
-        font = (GdkFont*)node->Data();
+        font = i->second;
     }
     }
-    else
+    else // we don't have this font in this size yet
     {
     {
-        if (*this == wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT))
+        if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT))
         {
             font = GtkGetDefaultGuiFont();
         }
         {
             font = GtkGetDefaultGuiFont();
         }
-        if (!font)
+
+        if ( !font )
         {
         {
-            font = wxLoadQueryNearestFont( point_scale,
-                                           M_FONTDATA->m_family,
-                                           M_FONTDATA->m_style,
-                                           M_FONTDATA->m_weight,
-                                           M_FONTDATA->m_underlined,
-                                           M_FONTDATA->m_faceName,
-                                           M_FONTDATA->m_encoding,
-                                           &M_FONTDATA->m_nativeFontInfo.xFontName );
+            // do we have the XLFD?
+            if ( int_scale == 100 && M_FONTDATA->HasNativeFont() )
+            {
+                font = wxLoadFont(M_FONTDATA->m_nativeFontInfo.GetXFontName());
+            }
+
+            // no XLFD of no exact match - try the approximate one now
+            if ( !font )
+            {
+                wxString xfontname;
+                font = wxLoadQueryNearestFont( point_scale,
+                                               M_FONTDATA->m_family,
+                                               M_FONTDATA->m_style,
+                                               M_FONTDATA->m_weight,
+                                               M_FONTDATA->m_underlined,
+                                               M_FONTDATA->m_faceName,
+                                               M_FONTDATA->m_encoding,
+                                               &xfontname);
+                // NB: wxFont::GetNativeFontInfo relies on this
+                //     side-effect of GetInternalFont
+                if ( int_scale == 100 )
+                    M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname);
+            }
         }
 
         }
 
-        M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
+        if ( font )
+        {
+            list[int_scale] = font;
+        }
     }
 
     // it's quite useless to make it a wxCHECK because we're going to crash
     }
 
     // it's quite useless to make it a wxCHECK because we're going to crash
@@ -524,4 +757,3 @@ GdkFont *wxFont::GetInternalFont( float scale ) const
 
     return font;
 }
 
     return font;
 }
-
wxWidgets (Impactor)