Fix crash in wxDC::GetMultiLineTextExtent() after last commit.

[wxWidgets.git] / src / gtk / font.cpp

diff --git a/src/gtk/font.cpp b/src/gtk/font.cpp
index 1637fb8a9a346b672b789c5db164d69287eb1451..f2e48c3ca89856a52ea9dbd92f5b79c76dd181d0 100644 (file)
--- a/src/gtk/font.cpp
+++ b/src/gtk/font.cpp
@@ -1,9 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        gtk/font.cpp
-// Purpose:
+// Name:        src/gtk/font.cpp
+// Purpose:     wxFont for wxGTK

 // Author:      Robert Roebling
 // Id:          $Id$
 // 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
 /////////////////////////////////////////////////////////////////////////////
 


@@ -15,24 +15,22 @@
 // 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/utils.h"
+    #include "wx/settings.h"
+    #include "wx/gdicmn.h"
+#endif
+

 #include "wx/fontutil.h"
 #include "wx/fontutil.h"

-#include "wx/cmndata.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 <gdk/gdk.h>
-#include <gdk/gdkprivate.h>
-#include <gtk/gtk.h>
+#include "wx/gtk/private.h"

 
 // ----------------------------------------------------------------------------
 // constants
 
 // ----------------------------------------------------------------------------
 // constants


@@ -41,276 +39,144 @@
 // the default size (in points) for the fonts
 static const int wxDEFAULT_FONT_SIZE = 12;
 
 // the default size (in points) for the fonts
 static const int wxDEFAULT_FONT_SIZE = 12;
 

-// ----------------------------------------------------------------------------
-// wxScaledFontList
-// ----------------------------------------------------------------------------
-
-// TODO: replace this with a type safe list or hash!!
-class wxScaledFontList : public wxList
-{
-public:
-    wxScaledFontList() : wxList(wxKEY_INTEGER) { }
-};
-

 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 

-class wxFontRefData : public wxObjectRefData
+class wxFontRefData : public wxGDIRefData

 {
 public:
     // from broken down font parameters, also default ctor
     wxFontRefData(int size = -1,
 {
 public:
     // from broken down font parameters, also default ctor
     wxFontRefData(int size = -1,

-                  int family = wxFONTFAMILY_DEFAULT,
-                  int style = wxFONTSTYLE_NORMAL,
-                  int weight = wxFONTWEIGHT_NORMAL,
-                  bool underlined = FALSE,
+                  wxFontFamily family = wxFONTFAMILY_DEFAULT,
+                  wxFontStyle style = wxFONTSTYLE_NORMAL,
+                  wxFontWeight weight = wxFONTWEIGHT_NORMAL,
+                  bool underlined = false,
+                  bool strikethrough = false,

                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 

-    // from XFLD
-    wxFontRefData(const wxString& fontname);
+    wxFontRefData(const wxString& nativeFontInfoString);

 
     // copy ctor
     wxFontRefData( const wxFontRefData& data );
 
     virtual ~wxFontRefData();
 
 
     // copy ctor
     wxFontRefData( const wxFontRefData& data );
 
     virtual ~wxFontRefData();
 

-    // do we have the native font info?
-    bool HasNativeFont() const
-    {
-        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);
     // 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(int family);
-    void SetStyle(int style);
-    void SetWeight(int weight);
+    void SetFamily(wxFontFamily family);
+    void SetStyle(wxFontStyle style);
+    void SetWeight(wxFontWeight weight);

     void SetUnderlined(bool underlined);
     void SetUnderlined(bool underlined);

-    void SetFaceName(const wxString& facename);
+    void SetStrikethrough(bool strikethrough);
+    bool SetFaceName(const wxString& facename);

     void SetEncoding(wxFontEncoding encoding);
 
     void SetEncoding(wxFontEncoding encoding);
 

-    // debugger helper: shows what the font really is
-    //
-    // VZ: I need this as my gdb either shows wildly wrong values or crashes
-    //     when I ask it to "p fontRefData" :-(
-#ifdef __WXDEBUG__
-    void Dump() const
-    {
-        wxPrintf(_T("%s-%s-%s-%d-%d\n"),
-                 m_faceName.c_str(),
-                 m_weight == wxFONTWEIGHT_NORMAL
-                    ? _T("normal")
-                    : m_weight == wxFONTWEIGHT_BOLD
-                        ? _T("bold")
-                        : _T("light"),
-                 m_style == wxFONTSTYLE_NORMAL ? _T("regular") : _T("italic"),
-                 m_pointSize,
-                 m_encoding);
-    }
-#endif // Debug
+    // 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,
               bool underlined,

+              bool strikethrough,

               const wxString& faceName,
               wxFontEncoding encoding);
 
               const wxString& faceName,
               wxFontEncoding encoding);
 

+    // set all fields from (already initialized and valid) m_nativeFontInfo
+    void InitFromNative();
+

 private:
 private:

-    // the map of font sizes to "GdkFont *"
-    wxScaledFontList  m_scaled_xfonts;
-
-    // the broken down font parameters
-    int             m_pointSize;
-    int             m_family,
-                    m_style,
-                    m_weight;
-    bool            m_underlined;
-    wxString        m_faceName;
-    wxFontEncoding  m_encoding;
-
-    // the native font info, basicly an XFLD
+    // The native font info: basically a PangoFontDescription, plus
+    // 'underlined' and 'strikethrough' attributes not supported by Pango.

     wxNativeFontInfo m_nativeFontInfo;
 
     friend class wxFont;
 };
 
     wxNativeFontInfo m_nativeFontInfo;
 
     friend class wxFont;
 };
 

-// ============================================================================
-// wxFontRefData implementation
-// ============================================================================
+#define M_FONTDATA ((wxFontRefData*)m_refData)

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

-// wxFontRefData creation
+// wxFontRefData

 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,

-                         int family,
-                         int style,
-                         int weight,
+                         wxFontFamily family,
+                         wxFontStyle style,
+                         wxFontWeight weight,

                          bool underlined,
                          bool underlined,

+                         bool strikethrough,

                          const wxString& faceName,
                          const wxString& faceName,

-                         wxFontEncoding encoding)
+                         wxFontEncoding WXUNUSED(encoding))

 {
 {

-    m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
-
-    m_faceName = faceName;
+    if (family == wxFONTFAMILY_DEFAULT)
+        family = wxFONTFAMILY_SWISS;

 
 

-    // we accept both wxDEFAULT and wxNORMAL here - should we?
-    m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
-    m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
+    // Create native font info
+    m_nativeFontInfo.description = pango_font_description_new();

 
 

-    // 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;
+    // And set its values
+    if (!faceName.empty())
+    {
+        pango_font_description_set_family( m_nativeFontInfo.description,
+                                           wxGTK_CONV_SYS(faceName) );
+    }
+    else
+    {
+        SetFamily(family);
+    }

 
 

-    m_underlined = underlined;
-    m_encoding = encoding;
+    SetStyle( style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style );
+    SetPointSize( (pointSize == wxDEFAULT || pointSize == -1)
+                    ? wxDEFAULT_FONT_SIZE
+                    : pointSize );
+    SetWeight( weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight );
+    SetUnderlined( underlined );
+    SetStrikethrough( strikethrough );

 }
 
 }
 

-wxFontRefData::wxFontRefData( const wxFontRefData& data )
+void wxFontRefData::InitFromNative()

 {
 {

-    m_pointSize = data.m_pointSize;
-    m_family = data.m_family;
-    m_style = data.m_style;
-    m_weight = data.m_weight;
+    // Get native info
+    PangoFontDescription *desc = m_nativeFontInfo.description;

 
 

-    m_underlined = data.m_underlined;
-
-    m_faceName = data.m_faceName;
-    m_encoding = data.m_encoding;
+    // Pango sometimes needs to have a size
+    int pango_size = pango_font_description_get_size( desc );
+    if (pango_size == 0)
+        m_nativeFontInfo.SetPointSize(wxDEFAULT_FONT_SIZE);
+}

 
 

-    m_nativeFontInfo = data.m_nativeFontInfo;
+wxFontRefData::wxFontRefData( const wxFontRefData& data )
+             : wxGDIRefData()
+{
+    // 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,
+wxFontRefData::wxFontRefData(int size, wxFontFamily family, wxFontStyle style,
+                             wxFontWeight weight, bool underlined, bool strikethrough,

                              const wxString& faceName,
                              wxFontEncoding encoding)
 {
                              const wxString& faceName,
                              wxFontEncoding encoding)
 {

-    Init(size, family, style, weight, underlined, faceName, encoding);
+    Init(size, family, style, weight, underlined, strikethrough, faceName, encoding);

 }
 
 }
 

-wxFontRefData::wxFontRefData(const wxString& fontname)
+wxFontRefData::wxFontRefData(const wxString& nativeFontInfoString)

 {
 {

-    // remember the X font name
-    m_nativeFontInfo.SetXFontName(fontname);
-
-    // get the font parameters from the XLFD
-    // -------------------------------------
+    m_nativeFontInfo.FromString( nativeFontInfoString );

 
 

-    m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
-
-    m_weight = wxFONTWEIGHT_NORMAL;
-
-    wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
-    if ( !w.empty() && w != _T('*') )
-    {
-        // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
-        // and BLACK
-        if ( ((w[0u] == _T('B') && (!strcmp(w.c_str() + 1, _T("OLD")) ||
-                                   !strcmp(w.c_str() + 1, _T("LACK"))))) ||
-             strstr(w.c_str() + 1, _T("BOLD")) )
-        {
-            m_weight = wxFONTWEIGHT_BOLD;
-        }
-        else if ( w == _T("LIGHT") || w == _T("THIN") )
-        {
-            m_weight = wxFONTWEIGHT_LIGHT;
-        }
-    }
-
-    switch ( wxToupper(*m_nativeFontInfo.
-                            GetXFontComponent(wxXLFD_SLANT).c_str()) )
-    {
-        case _T('I'):   // italique
-            m_style = wxFONTSTYLE_ITALIC;
-            break;
-
-        case _T('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() == _T('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 == _T("ISO8859") )
-    {
-        int cp;
-        if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
-        {
-            m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
-        }
-    }
-    else if ( registry == _T("MICROSOFT") )
-    {
-        int cp;
-        if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
-        {
-            m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
-        }
-    }
-    else if ( registry == _T("KOI8") )
-    {
-        m_encoding = wxFONTENCODING_KOI8;
-    }
-    else // unknown encoding
-    {
-        // may be give a warning here?
-        m_encoding = wxFONTENCODING_SYSTEM;
-    }
+    InitFromNative();

 }
 
 wxFontRefData::~wxFontRefData()
 {
 }
 
 wxFontRefData::~wxFontRefData()
 {

-    wxNode *node = m_scaled_xfonts.First();
-    while (node)
-    {
-        GdkFont *font = (GdkFont*)node->Data();
-        wxNode *next = node->Next();
-        gdk_font_unref( font );
-        node = next;
-    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -319,151 +185,127 @@ wxFontRefData::~wxFontRefData()
 
 void wxFontRefData::SetPointSize(int pointSize)
 {
 
 void wxFontRefData::SetPointSize(int pointSize)
 {

-    m_pointSize = pointSize;
-
-    if ( HasNativeFont() )
-    {
-        wxString size;
-        if ( pointSize == -1 )
-            size = _T('*');
-        else
-            size.Printf(_T("%d"), 10*pointSize);
-
-        m_nativeFontInfo.SetXFontComponent(wxXLFD_POINTSIZE, size);
-    }
+    m_nativeFontInfo.SetPointSize(pointSize);

 }
 
 }
 

-void wxFontRefData::SetFamily(int family)
-{
-    m_family = family;
-
-    // TODO: what are we supposed to do with m_nativeFontInfo here?
-}
+/*
+    NOTE: disabled because pango_font_description_set_absolute_size() and
+          wxDC::GetCharHeight() do not mix well: setting with the former a pixel
+          size of "30" makes the latter return 36...
+          Besides, we need to return GetPointSize() a point size value even if
+          SetPixelSize() was used and this would require further changes
+          (and use of pango_font_description_get_size_is_absolute in some places).

 
 

-void wxFontRefData::SetStyle(int style)
+bool wxFontRefData::SetPixelSize(const wxSize& pixelSize)

 {
 {

-    m_style = style;
+    wxCHECK_MSG( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0, false,
+                 "Negative values for the pixel size or zero pixel height are not allowed" );

 
 

-    if ( HasNativeFont() )
+    if (wx_pango_version_check(1,8,0) != NULL ||
+        pixelSize.GetWidth() != 0)

     {
     {

-        wxString slant;
-        switch ( style )
-        {
-            case wxFONTSTYLE_ITALIC:
-                slant = _T('i');
-                break;
-
-            case wxFONTSTYLE_SLANT:
-                slant = _T('o');
-                break;
+        // NOTE: pango_font_description_set_absolute_size() only sets the font height;
+        //       if the user set the pixel width of the font explicitly or the pango
+        //       library is too old, we cannot proceed
+        return false;
+    }

 
 

-            default:
-                wxFAIL_MSG( _T("unknown font style") );
-                // fall through
+    pango_font_description_set_absolute_size( m_nativeFontInfo.description,
+                                              pixelSize.GetHeight() * PANGO_SCALE );

 
 

-            case wxFONTSTYLE_NORMAL:
-                slant = _T('r');
-        }
-
-        m_nativeFontInfo.SetXFontComponent(wxXLFD_SLANT, slant);
-    }
+    return true;

 }
 }

+*/

 
 

-void wxFontRefData::SetWeight(int weight)
+void wxFontRefData::SetFamily(wxFontFamily family)

 {
 {

-    m_weight = weight;
-
-    if ( HasNativeFont() )
-    {
-        wxString boldness;
-        switch ( weight )
-        {
-            case wxFONTWEIGHT_BOLD:
-                boldness = _T("bold");
-                break;
-
-            case wxFONTWEIGHT_LIGHT:
-                boldness = _T("light");
-                break;
-
-            default:
-                wxFAIL_MSG( _T("unknown font weight") );
-                // fall through
+    m_nativeFontInfo.SetFamily(family);
+}

 
 

-            case wxFONTWEIGHT_NORMAL:
-                // unspecified
-                boldness = _T("medium");
-        }
+void wxFontRefData::SetStyle(wxFontStyle style)
+{
+    m_nativeFontInfo.SetStyle(style);
+}

 
 

-        m_nativeFontInfo.SetXFontComponent(wxXLFD_WEIGHT, boldness);
-    }
+void wxFontRefData::SetWeight(wxFontWeight weight)
+{
+    m_nativeFontInfo.SetWeight(weight);

 }
 
 void wxFontRefData::SetUnderlined(bool underlined)
 {
 }
 
 void wxFontRefData::SetUnderlined(bool underlined)
 {

-    m_underlined = underlined;
+    m_nativeFontInfo.SetUnderlined(underlined);
+}

 
 

-    // the XLFD doesn't have "underlined" field anyhow
+void wxFontRefData::SetStrikethrough(bool strikethrough)
+{
+    m_nativeFontInfo.SetStrikethrough(strikethrough);

 }
 
 }
 

-void wxFontRefData::SetFaceName(const wxString& facename)
+bool wxFontRefData::SetFaceName(const wxString& facename)

 {
 {

-    m_faceName = facename;
+    return m_nativeFontInfo.SetFaceName(facename);
+}

 
 

-    if ( HasNativeFont() )
-    {
-        m_nativeFontInfo.SetXFontComponent(wxXLFD_FAMILY, facename);
-    }
+void wxFontRefData::SetEncoding(wxFontEncoding WXUNUSED(encoding))
+{
+    // with GTK+ 2 Pango always uses UTF8 internally, we cannot change it

 }
 
 }
 

-void wxFontRefData::SetEncoding(wxFontEncoding encoding)
+void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)

 {
 {

-    m_encoding = encoding;
+    m_nativeFontInfo = info;

 
 

-    if ( HasNativeFont() )
-    {
-        wxNativeEncodingInfo info;
-        if ( wxGetNativeFontEncoding(encoding, &info) )
-        {
-            m_nativeFontInfo.SetXFontComponent(wxXLFD_REGISTRY, info.xregistry);
-            m_nativeFontInfo.SetXFontComponent(wxXLFD_ENCODING, info.xencoding);
-        }
-    }
+    // set all the other font parameters from the native font info
+    InitFromNative();

 }
 
 }
 

-// ============================================================================
-// wxFont implementation
-// ============================================================================
-

 // ----------------------------------------------------------------------------
 // wxFont creation
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxFont creation
 // ----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
-
-void wxFont::Init()
+wxFont::wxFont(const wxNativeFontInfo& info)

 {
 {

+    Create( info.GetPointSize(),
+            info.GetFamily(),
+            info.GetStyle(),
+            info.GetWeight(),
+            info.GetUnderlined(),
+            info.GetFaceName(),
+            info.GetEncoding() );
+
+    if ( info.GetStrikethrough() )
+        SetStrikethrough(true);

 }
 
 }
 

-wxFont::wxFont(const wxNativeFontInfo& info)
+wxFont::wxFont(int pointSize,
+               wxFontFamily family,
+               int flags,
+               const wxString& face,
+               wxFontEncoding encoding)

 {
 {

-    Init();
-
-    Create(info.GetXFontName());
+    m_refData = new wxFontRefData(pointSize, family,
+                                  GetStyleFromFlags(flags),
+                                  GetWeightFromFlags(flags),
+                                  GetUnderlinedFromFlags(flags),
+                                  GetStrikethroughFromFlags(flags),
+                                  face, encoding);

 }
 
 bool wxFont::Create( int pointSize,
 }
 
 bool wxFont::Create( int pointSize,

-                     int family,
-                     int style,
-                     int weight,
+                     wxFontFamily family,
+                     wxFontStyle style,
+                     wxFontWeight weight,

                      bool underlined,
                      const wxString& face,
                      bool underlined,
                      const wxString& face,

-                     wxFontEncoding encoding)
+                     wxFontEncoding encoding )

 {
 {

+    UnRef();
+

     m_refData = new wxFontRefData(pointSize, family, style, weight,
     m_refData = new wxFontRefData(pointSize, family, style, weight,

-                                  underlined, face, encoding);
+                                  underlined, false, face, encoding);

 
 

-    return TRUE;
+    return true;

 }
 
 bool wxFont::Create(const wxString& fontname)
 }
 
 bool wxFont::Create(const wxString& fontname)


@@ -473,26 +315,12 @@ bool wxFont::Create(const wxString& fontname)
     {
         *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 
     {
         *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 

-        return TRUE;
+        return true;

     }
 
     m_refData = new wxFontRefData(fontname);
 
     }
 
     m_refData = new wxFontRefData(fontname);
 

-    return TRUE;
-}
-
-void wxFont::Unshare()
-{
-    if (!m_refData)
-    {
-        m_refData = new wxFontRefData();
-    }
-    else
-    {
-        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
-        UnRef();
-        m_refData = ref;
-    }
+    return true;

 }
 
 wxFont::~wxFont()
 }
 
 wxFont::~wxFont()


@@ -503,80 +331,71 @@ wxFont::~wxFont()
 // accessors
 // ----------------------------------------------------------------------------
 
 // accessors
 // ----------------------------------------------------------------------------
 

-// all accessors are just forwarded to wxFontRefData which has everything we
-// need
-

 int wxFont::GetPointSize() const
 {
 int wxFont::GetPointSize() const
 {

-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_pointSize;
+    return M_FONTDATA->m_nativeFontInfo.GetPointSize();

 }
 
 wxString wxFont::GetFaceName() const
 {
 }
 
 wxString wxFont::GetFaceName() const
 {

-    wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_faceName;
+    return M_FONTDATA->m_nativeFontInfo.GetFaceName();

 }
 
 }
 

-int wxFont::GetFamily() const
+wxFontFamily wxFont::DoGetFamily() const

 {
 {

-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
-
-    return M_FONTDATA->m_family;
+    return M_FONTDATA->m_nativeFontInfo.GetFamily();

 }
 
 }
 

-int wxFont::GetStyle() const
+wxFontStyle wxFont::GetStyle() const

 {
 {

-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_style;
+    return M_FONTDATA->m_nativeFontInfo.GetStyle();

 }
 
 }
 

-int wxFont::GetWeight() const
+wxFontWeight wxFont::GetWeight() const

 {
 {

-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_weight;
+    return M_FONTDATA->m_nativeFontInfo.GetWeight();

 }
 
 bool wxFont::GetUnderlined() const
 {
 }
 
 bool wxFont::GetUnderlined() const
 {

-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), false, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_underlined;
+    return M_FONTDATA->m_nativeFontInfo.GetUnderlined();

 }
 
 }
 

-wxFontEncoding wxFont::GetEncoding() const
+bool wxFont::GetStrikethrough() const

 {
 {

-    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), false, wxT("invalid font") );

 
 

-    return M_FONTDATA->m_encoding;
+    return M_FONTDATA->m_nativeFontInfo.GetStrikethrough();

 }
 
 }
 

-wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+wxFontEncoding wxFont::GetEncoding() const

 {
 {

-    wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
-
-    if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
-        GetInternalFont();
+    wxCHECK_MSG( IsOk(), wxFONTENCODING_SYSTEM, wxT("invalid font") );

 
 

-    return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo);
+    return wxFONTENCODING_UTF8;
+        // Pango always uses UTF8... see also SetEncoding()

 }
 
 }
 

-bool wxFont::IsFixedWidth() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const

 {
 {

-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( IsOk(), NULL, 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 &(M_FONTDATA->m_nativeFontInfo);
+}

 
 

-        return spacing.Upper() == _T('M');
-    }
+bool wxFont::IsFixedWidth() const
+{
+    wxCHECK_MSG( IsOk(), false, wxT("invalid font") );

 
     return wxFontBase::IsFixedWidth();
 }
 
     return wxFontBase::IsFixedWidth();
 }


@@ -587,152 +406,137 @@ bool wxFont::IsFixedWidth() const
 
 void wxFont::SetPointSize(int pointSize)
 {
 
 void wxFont::SetPointSize(int pointSize)
 {

-    Unshare();
+    AllocExclusive();

 
     M_FONTDATA->SetPointSize(pointSize);
 }
 
 
     M_FONTDATA->SetPointSize(pointSize);
 }
 

-void wxFont::SetFamily(int family)
+void wxFont::SetFamily(wxFontFamily family)

 {
 {

-    Unshare();
+    AllocExclusive();

 
     M_FONTDATA->SetFamily(family);
 }
 
 
     M_FONTDATA->SetFamily(family);
 }
 

-void wxFont::SetStyle(int style)
+void wxFont::SetStyle(wxFontStyle style)

 {
 {

-    Unshare();
+    AllocExclusive();

 
     M_FONTDATA->SetStyle(style);
 }
 
 
     M_FONTDATA->SetStyle(style);
 }
 

-void wxFont::SetWeight(int weight)
+void wxFont::SetWeight(wxFontWeight weight)

 {
 {

-    Unshare();
+    AllocExclusive();

 
     M_FONTDATA->SetWeight(weight);
 }
 
 
     M_FONTDATA->SetWeight(weight);
 }
 

-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)

 {
 {

-    Unshare();
+    AllocExclusive();

 
 

-    M_FONTDATA->SetFaceName(faceName);
+    return M_FONTDATA->SetFaceName(faceName) &&
+           wxFontBase::SetFaceName(faceName);

 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {

-    Unshare();
+    AllocExclusive();

 
     M_FONTDATA->SetUnderlined(underlined);
 }
 
 
     M_FONTDATA->SetUnderlined(underlined);
 }
 

-void wxFont::SetEncoding(wxFontEncoding encoding)
+void wxFont::SetStrikethrough(bool strikethrough)

 {
 {

-    Unshare();
+    AllocExclusive();

 
 

-    M_FONTDATA->SetEncoding(encoding);
+    M_FONTDATA->SetStrikethrough(strikethrough);

 }
 
 }
 

-void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info)
+void wxFont::SetEncoding(wxFontEncoding encoding)

 {
 {

-    Unshare();
+    AllocExclusive();

 
 

-    M_FONTDATA->m_nativeFontInfo = info;
+    M_FONTDATA->SetEncoding(encoding);

 }
 
 }
 

-// ----------------------------------------------------------------------------
-// get internal representation of font
-// ----------------------------------------------------------------------------
+void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
+{
+    AllocExclusive();

 
 

-static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL;
+    M_FONTDATA->SetNativeFontInfo( info );
+}

 
 

-// this is also used from tbargtk.cpp and tooltip.cpp, hence extern
-extern GdkFont *GtkGetDefaultGuiFont()
+wxGDIRefData* wxFont::CreateGDIRefData() const

 {
 {

-    if (!g_systemDefaultGuiFont)
-    {
-        GtkWidget *widget = gtk_button_new();
-        GtkStyle *def = gtk_rc_get_style( widget );
-        if (def)
-        {
-            g_systemDefaultGuiFont = gdk_font_ref( def->font );
-        }
-        else
-        {
-            def = gtk_widget_get_default_style();
-            if (def)
-                g_systemDefaultGuiFont = gdk_font_ref( def->font );
-        }
-        gtk_widget_destroy( widget );
-    }
-    else
-    {
-        // already have it, but ref it once more before returning
-        gdk_font_ref(g_systemDefaultGuiFont);
-    }
-
-    return g_systemDefaultGuiFont;
+    return new wxFontRefData;

 }
 
 }
 

-GdkFont *wxFont::GetInternalFont( float scale ) const
+wxGDIRefData* wxFont::CloneGDIRefData(const wxGDIRefData* data) const

 {
 {

-    GdkFont *font = (GdkFont *) NULL;
+    return new wxFontRefData(*static_cast<const wxFontRefData*>(data));
+}

 
 

-    wxCHECK_MSG( Ok(), font, wxT("invalid font") )
+bool wxFont::GTKSetPangoAttrs(PangoLayout* layout) const
+{
+    if (!IsOk() || !(GetUnderlined() || GetStrikethrough()))
+        return false;

 
 

-    long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
-    int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100);
+    PangoAttrList* attrs = pango_attr_list_new();
+    PangoAttribute* a;

 
 

-    wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
-    if (node)
+    if (wx_pango_version_check(1,16,0))

     {
     {

-        font = (GdkFont*)node->Data();
-    }
-    else // we don't have this font in this size yet
-    {
-        if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT))
+        // a PangoLayout which has leading/trailing spaces with underlined font
+        // is not correctly drawn by this pango version: Pango won't underline the spaces.
+        // This can be a problem; e.g. wxHTML rendering of underlined text relies on
+        // this behaviour. To workaround this problem, we use a special hack here
+        // suggested by pango maintainer Behdad Esfahbod: we prepend and append two
+        // empty space characters and give them a dummy colour attribute.
+        // This will force Pango to underline the leading/trailing spaces, too.
+
+        const char* text = pango_layout_get_text(layout);
+        const size_t n = strlen(text);
+        if ((n > 0 && text[0] == ' ') || (n > 1 && text[n - 1] == ' '))

         {
         {

-            font = GtkGetDefaultGuiFont();
-        }
-
-        if ( !font )
-        {
-            // do we have the XLFD?
-            if ( 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);
-                if ( font )
-                {
-                    M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname);
-                }
-            }
-        }
-
-        if ( font )
-        {
-            M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
+            wxCharBuffer buf(n + 6);
+            // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
+            memcpy(buf.data(), "\342\200\214", 3);
+            // copy the user string
+            memcpy(buf.data() + 3, text, n);
+            // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
+            memcpy(buf.data() + 3 + n, "\342\200\214", 3);
+
+            pango_layout_set_text(layout, buf, n + 6);
+
+            // Add dummy attributes (use colour as it's invisible anyhow for 0
+            // width spaces) to ensure that the spaces in the beginning/end of the
+            // string are underlined too.
+            a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614);
+            a->start_index = 0;
+            a->end_index = 3;
+            pango_attr_list_insert(attrs, a);
+
+            a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614);
+            a->start_index = n + 3;
+            a->end_index = n + 6;
+            pango_attr_list_insert(attrs, a);

         }
     }
         }
     }

+    if (GetUnderlined())
+    {
+        a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+        pango_attr_list_insert(attrs, a);
+    }
+    if (GetStrikethrough())
+    {
+        a = pango_attr_strikethrough_new(true);
+        pango_attr_list_insert(attrs, a);
+    }

 
 

-    // it's quite useless to make it a wxCHECK because we're going to crash
-    // anyhow...
-    wxASSERT_MSG( font, wxT("could not load any font?") );
+    pango_layout_set_attributes(layout, attrs);
+    pango_attr_list_unref(attrs);

 
 

-    return font;
+    return true;

 }
 }

-