support for unicode font names

[wxWidgets.git] / src / unix / fontutil.cpp

diff --git a/src/unix/fontutil.cpp b/src/unix/fontutil.cpp
index 413694227d4cc0d5e462f9e2953fafaaa15be200..b1eda856d452f76e029b0552bbdfaaa435df3eef 100644 (file)
--- a/src/unix/fontutil.cpp
+++ b/src/unix/fontutil.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        unix/fontutil.cpp
+// Name:        src/unix/fontutil.cpp

 // Purpose:     Font helper functions for X11 (GDK/X)
 // Author:      Vadim Zeitlin
 // Modified by:
 // Purpose:     Font helper functions for X11 (GDK/X)
 // Author:      Vadim Zeitlin
 // Modified by:


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "fontutil.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -126,7 +122,7 @@ wxFontWeight wxNativeFontInfo::GetWeight() const
 
 bool wxNativeFontInfo::GetUnderlined() const
 {
 
 bool wxNativeFontInfo::GetUnderlined() const
 {

-    return FALSE;
+    return false;

 }
 
 wxString wxNativeFontInfo::GetFaceName() const
 }
 
 wxString wxNativeFontInfo::GetFaceName() const


@@ -139,17 +135,24 @@ wxString wxNativeFontInfo::GetFaceName() const
 wxFontFamily wxNativeFontInfo::GetFamily() const
 {
     wxFontFamily ret = wxFONTFAMILY_DEFAULT;
 wxFontFamily wxNativeFontInfo::GetFamily() const
 {
     wxFontFamily ret = wxFONTFAMILY_DEFAULT;

-    char *family_text = g_ascii_strdown( pango_font_description_get_family( description ), -1 );
+    // note: not passing -1 as the 2nd parameter to g_ascii_strdown to work
+    // around a bug in the 64-bit glib shipped with solaris 10, -1 causes it
+    // to try to allocate 2^32 bytes.
+    const char *family_name = pango_font_description_get_family( description );
+    char *family_text = g_ascii_strdown( family_name, family_name ? strlen( family_name ) : 0 );

     // Check for some common fonts, to salvage what we can from the current win32 centric wxFont API:
     if (strncmp( family_text, "monospace", 9 ) == 0)
         ret = wxFONTFAMILY_TELETYPE; // begins with "Monospace"
     else if (strncmp( family_text, "courier", 7 ) == 0)
         ret = wxFONTFAMILY_TELETYPE; // begins with "Courier"
     // Check for some common fonts, to salvage what we can from the current win32 centric wxFont API:
     if (strncmp( family_text, "monospace", 9 ) == 0)
         ret = wxFONTFAMILY_TELETYPE; // begins with "Monospace"
     else if (strncmp( family_text, "courier", 7 ) == 0)
         ret = wxFONTFAMILY_TELETYPE; // begins with "Courier"

-#ifdef HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE
+#if defined(__WXGTK24__) || defined(HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE)

     else
     else

+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+#endif

     {
         PangoFontFamily **families;
     {
         PangoFontFamily **families;

-        PangoFontFamily  *family;
+        PangoFontFamily  *family = NULL;

         int n_families;
         pango_context_list_families(
 #ifdef __WXGTK20__
         int n_families;
         pango_context_list_families(
 #ifdef __WXGTK20__


@@ -170,15 +173,17 @@ wxFontFamily wxNativeFontInfo::GetFamily() const
 
         g_free(families);
 
 
         g_free(families);
 

-        wxASSERT_MSG( family, wxT("wxNativeFontInfo::GetFamily() - No appropriate PangoFontFamily found for ::description") );
+        // Some gtk+ systems might query for a non-existing font from wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)
+        // on initialization, don't assert until wxSystemSettings::GetFont is checked for this - MR
+        // wxASSERT_MSG( family, wxT("wxNativeFontInfo::GetFamily() - No appropriate PangoFontFamily found for ::description") );

 
         //BCI: Cache the wxFontFamily inside the class. Validate cache with
         //BCI: g_ascii_strcasecmp(pango_font_description_get_family(description), pango_font_family_get_name(family)) == 0
 
 
         //BCI: Cache the wxFontFamily inside the class. Validate cache with
         //BCI: g_ascii_strcasecmp(pango_font_description_get_family(description), pango_font_family_get_name(family)) == 0
 

-        if (pango_font_family_is_monospace( family ))
+        if (family != NULL && pango_font_family_is_monospace( family ))

             ret = wxFONTFAMILY_TELETYPE; // is deemed a monospace font by pango
     }
             ret = wxFONTFAMILY_TELETYPE; // is deemed a monospace font by pango
     }

-#endif // pango_font_family_is_monospace
+#endif // gtk24 || HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE

 
     if (ret == wxFONTFAMILY_DEFAULT)
     {
 
     if (ret == wxFONTFAMILY_DEFAULT)
     {


@@ -202,19 +207,46 @@ wxFontEncoding wxNativeFontInfo::GetEncoding() const
 }
 
 
 }
 
 

-void wxNativeFontInfo::SetPointSize(int WXUNUSED(pointsize))
+void wxNativeFontInfo::SetPointSize(int pointsize)

 {
 {

-    wxFAIL_MSG( _T("not implemented") );
+    pango_font_description_set_size( description, pointsize * PANGO_SCALE );

 }
 
 }
 

-void wxNativeFontInfo::SetStyle(wxFontStyle WXUNUSED(style))
+void wxNativeFontInfo::SetStyle(wxFontStyle style)

 {
 {

-    wxFAIL_MSG( _T("not implemented") );
+    switch (style)
+    {
+        case wxFONTSTYLE_ITALIC:
+            pango_font_description_set_style( description, PANGO_STYLE_ITALIC );
+            break;
+        case wxFONTSTYLE_SLANT:
+            pango_font_description_set_style( description, PANGO_STYLE_OBLIQUE );
+            break;
+        default:
+            wxFAIL_MSG( _T("unknown font style") );
+            // fall through
+        case wxFONTSTYLE_NORMAL:
+            pango_font_description_set_style( description, PANGO_STYLE_NORMAL );
+            break;
+    }

 }
 
 }
 

-void wxNativeFontInfo::SetWeight(wxFontWeight WXUNUSED(weight))
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)

 {
 {

-    wxFAIL_MSG( _T("not implemented") );
+    switch (weight)
+    {
+        case wxFONTWEIGHT_BOLD:
+            pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
+            break;
+        case wxFONTWEIGHT_LIGHT:
+            pango_font_description_set_weight(description, PANGO_WEIGHT_LIGHT);
+            break;
+        default:
+            wxFAIL_MSG( _T("unknown font weight") );
+            // fall through
+        case wxFONTWEIGHT_NORMAL:
+            pango_font_description_set_weight(description, PANGO_WEIGHT_NORMAL);
+    }

 }
 
 void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
 }
 
 void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))


@@ -222,9 +254,9 @@ void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
     wxFAIL_MSG( _T("not implemented") );
 }
 
     wxFAIL_MSG( _T("not implemented") );
 }
 

-void wxNativeFontInfo::SetFaceName(wxString WXUNUSED(facename))
+void wxNativeFontInfo::SetFaceName(const wxString& facename)

 {
 {

-    wxFAIL_MSG( _T("not implemented") );
+    pango_font_description_set_family( description, wxGTK_CONV(facename) );

 }
 
 void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
 }
 
 void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))


@@ -246,7 +278,7 @@ bool wxNativeFontInfo::FromString(const wxString& s)
 
     description = pango_font_description_from_string( wxGTK_CONV( s ) );
 
 
     description = pango_font_description_from_string( wxGTK_CONV( s ) );
 

-    return TRUE;
+    return true;

 }
 
 wxString wxNativeFontInfo::ToString() const
 }
 
 wxString wxNativeFontInfo::ToString() const


@@ -272,9 +304,9 @@ wxString wxNativeFontInfo::ToUserString() const
 // wxNativeEncodingInfo
 // ----------------------------------------------------------------------------
 
 // wxNativeEncodingInfo
 // ----------------------------------------------------------------------------
 

-bool wxNativeEncodingInfo::FromString(const wxString& s)
+bool wxNativeEncodingInfo::FromString(const wxString& WXUNUSED(s))

 {
 {

-    return FALSE;
+    return false;

 }
 
 wxString wxNativeEncodingInfo::ToString() const
 }
 
 wxString wxNativeEncodingInfo::ToString() const


@@ -282,25 +314,33 @@ wxString wxNativeEncodingInfo::ToString() const
     return wxEmptyString;
 }
 
     return wxEmptyString;
 }
 

-bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
+bool wxTestFontEncoding(const wxNativeEncodingInfo& WXUNUSED(info))

 {
 {

-    return TRUE;
+    return true;

 }
 
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {
 }
 
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {

-    // we *must* return true for default encoding as otherwise wxFontMapper
-    // considers that we can't load any font and aborts with wxLogFatalError!
-    if ( encoding == wxFONTENCODING_SYSTEM )
+    info->facename.clear();
+
+    switch ( encoding )

     {
     {

-        info->facename.clear();
-        info->encoding = wxFONTENCODING_SYSTEM;
-    }
+        // we *must* return true for default encodings as otherwise wxFontMapper
+        // considers that we can't load any font and aborts with wxLogFatalError!
+        case wxFONTENCODING_DEFAULT:
+        case wxFONTENCODING_SYSTEM:
+            info->encoding = wxFONTENCODING_SYSTEM;
+            return true;

 
 

-    // pretend that we support everything, it's better than to always return
-    // false as the old code did
-    return true;
+        case wxFONTENCODING_UTF8:
+            info->encoding = wxFONTENCODING_UTF8;
+            return true;
+
+        default:
+            // everything else must be converted to UTF-8
+            return false;
+    }

 }
 
 #else // GTK+ 1.x
 }
 
 #else // GTK+ 1.x


@@ -399,28 +439,28 @@ bool wxNativeEncodingInfo::FromString(const wxString& s)
     wxString encid = tokenizer.GetNextToken();
     long enc;
     if ( !encid.ToLong(&enc) )
     wxString encid = tokenizer.GetNextToken();
     long enc;
     if ( !encid.ToLong(&enc) )

-        return FALSE;
+        return false;

     encoding = (wxFontEncoding)enc;
 
     xregistry = tokenizer.GetNextToken();
     if ( !xregistry )
     encoding = (wxFontEncoding)enc;
 
     xregistry = tokenizer.GetNextToken();
     if ( !xregistry )

-        return FALSE;
+        return false;

 
     xencoding = tokenizer.GetNextToken();
     if ( !xencoding )
 
     xencoding = tokenizer.GetNextToken();
     if ( !xencoding )

-        return FALSE;
+        return false;

 
     // ok even if empty
     facename = tokenizer.GetNextToken();
 
 
     // ok even if empty
     facename = tokenizer.GetNextToken();
 

-    return TRUE;
+    return true;

 }
 
 wxString wxNativeEncodingInfo::ToString() const
 {
     wxString s;
     s << (long)encoding << _T(';') << xregistry << _T(';') << xencoding;
 }
 
 wxString wxNativeEncodingInfo::ToString() const
 {
     wxString s;
     s << (long)encoding << _T(';') << xregistry << _T(';') << xencoding;

-    if ( !!facename )
+    if ( !facename.empty() )

     {
         s << _T(';') << facename;
     }
     {
         s << _T(';') << facename;
     }


@@ -434,7 +474,7 @@ wxString wxNativeEncodingInfo::ToString() const
 
 void wxNativeFontInfo::Init()
 {
 
 void wxNativeFontInfo::Init()
 {

-    m_isDefault = TRUE;
+    m_isDefault = true;

 }
 
 bool wxNativeFontInfo::FromString(const wxString& s)
 }
 
 bool wxNativeFontInfo::FromString(const wxString& s)


@@ -444,13 +484,13 @@ bool wxNativeFontInfo::FromString(const wxString& s)
     // check the version
     wxString token = tokenizer.GetNextToken();
     if ( token != _T('0') )
     // check the version
     wxString token = tokenizer.GetNextToken();
     if ( token != _T('0') )

-        return FALSE;
+        return false;

 
     xFontName = tokenizer.GetNextToken();
 
     // this should be the end
     if ( tokenizer.HasMoreTokens() )
 
     xFontName = tokenizer.GetNextToken();
 
     // this should be the end
     if ( tokenizer.HasMoreTokens() )

-        return FALSE;
+        return false;

 
     return FromXFontName(xFontName);
 }
 
     return FromXFontName(xFontName);
 }


@@ -480,13 +520,13 @@ bool wxNativeFontInfo::HasElements() const
 
 wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
 {
 
 wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
 {

-    wxCHECK_MSG( field < wxXLFD_MAX, _T(""), _T("invalid XLFD field") );
+    wxCHECK_MSG( field < wxXLFD_MAX, wxEmptyString, _T("invalid XLFD field") );

 
     if ( !HasElements() )
     {
         // const_cast
         if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )
 
     if ( !HasElements() )
     {
         // const_cast
         if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )

-            return _T("");
+            return wxEmptyString;

     }
 
     return fontElements[field];
     }
 
     return fontElements[field];


@@ -499,7 +539,7 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
 
     // skip the leading, usually empty field (font name registry)
     if ( !tokenizer.HasMoreTokens() )
 
     // skip the leading, usually empty field (font name registry)
     if ( !tokenizer.HasMoreTokens() )

-        return FALSE;
+        return false;

 
     (void)tokenizer.GetNextToken();
 
 
     (void)tokenizer.GetNextToken();
 


@@ -508,14 +548,14 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
         if ( !tokenizer.HasMoreTokens() )
         {
             // not enough elements in the XLFD - or maybe an alias
         if ( !tokenizer.HasMoreTokens() )
         {
             // not enough elements in the XLFD - or maybe an alias

-            return FALSE;
+            return false;

         }
 
         wxString field = tokenizer.GetNextToken();
         if ( !field.empty() && field != _T('*') )
         {
             // we're really initialized now
         }
 
         wxString field = tokenizer.GetNextToken();
         if ( !field.empty() && field != _T('*') )
         {
             // we're really initialized now

-            m_isDefault = FALSE;
+            m_isDefault = false;

         }
 
         fontElements[n] = field;
         }
 
         fontElements[n] = field;


@@ -523,9 +563,9 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
 
     // this should be all
     if ( tokenizer.HasMoreTokens() )
 
     // this should be all
     if ( tokenizer.HasMoreTokens() )

-        return FALSE;
+        return false;

 
 

-    return TRUE;
+    return true;

 }
 
 wxString wxNativeFontInfo::GetXFontName() const
 }
 
 wxString wxNativeFontInfo::GetXFontName() const


@@ -583,7 +623,7 @@ void wxNativeFontInfo::SetXFontName(const wxString& xFontName_)
 
     xFontName = xFontName_;
 
 
     xFontName = xFontName_;
 

-    m_isDefault = FALSE;
+    m_isDefault = false;

 }
 
 int wxNativeFontInfo::GetPointSize() const
 }
 
 int wxNativeFontInfo::GetPointSize() const


@@ -636,7 +676,7 @@ wxFontWeight wxNativeFontInfo::GetWeight() const
 bool wxNativeFontInfo::GetUnderlined() const
 {
     // X fonts are never underlined
 bool wxNativeFontInfo::GetUnderlined() const
 {
     // X fonts are never underlined

-    return FALSE;
+    return false;

 }
 
 wxString wxNativeFontInfo::GetFaceName() const
 }
 
 wxString wxNativeFontInfo::GetFaceName() const


@@ -721,12 +761,12 @@ void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
     // can't do this under X
 }
 
     // can't do this under X
 }
 

-void wxNativeFontInfo::SetFaceName(wxString facename)
+void wxNativeFontInfo::SetFaceName(const wxString& facename)

 {
     SetXFontComponent(wxXLFD_FAMILY, facename);
 }
 
 {
     SetXFontComponent(wxXLFD_FAMILY, facename);
 }
 

-void wxNativeFontInfo::SetFamily(wxFontFamily family)
+void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))

 {
     // wxFontFamily -> X foundry, anyone?
     wxFAIL_MSG( _T("not implemented") );
 {
     // wxFontFamily -> X foundry, anyone?
     wxFAIL_MSG( _T("not implemented") );


@@ -751,7 +791,7 @@ void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {

-    wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
+    wxCHECK_MSG( info, false, _T("bad pointer in wxGetNativeFontEncoding") );

 
     if ( encoding == wxFONTENCODING_DEFAULT )
     {
 
     if ( encoding == wxFONTENCODING_DEFAULT )
     {


@@ -828,12 +868,12 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
 
         default:
             // don't know how to translate this encoding into X fontspec
 
         default:
             // don't know how to translate this encoding into X fontspec

-            return FALSE;
+            return false;

     }
 
     info->encoding = encoding;
 
     }
 
     info->encoding = encoding;
 

-    return TRUE;
+    return true;

 }
 
 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
 }
 
 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)


@@ -897,7 +937,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
     wxNativeFont font = 0;
 
     // if we already have the X font name, try to use it
     wxNativeFont font = 0;
 
     // if we already have the X font name, try to use it

-    if( xFontName && !xFontName->IsEmpty() )
+    if( xFontName && !xFontName->empty() )

     {
         //
         //  Make sure point size is correct for scale factor.
     {
         //
         //  Make sure point size is correct for scale factor.


@@ -1010,7 +1050,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
                 if ( !font )
                 {
                     font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL,
                 if ( !font )
                 {
                     font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL,

-                                           FALSE, wxEmptyString,
+                                           false, wxEmptyString,

                                            info.xregistry, info.xencoding,
                                            xFontName);
 
                                            info.xregistry, info.xencoding,
                                            xFontName);
 


@@ -1023,7 +1063,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
 
                         font = wxLoadQueryFont(-1,
                                                wxDEFAULT, wxNORMAL, wxNORMAL,
 
                         font = wxLoadQueryFont(-1,
                                                wxDEFAULT, wxNORMAL, wxNORMAL,

-                                               FALSE, wxEmptyString,
+                                               false, wxEmptyString,

                                                _T("*"), _T("*"),
                                                xFontName);
                     }
                                                _T("*"), _T("*"),
                                                xFontName);
                     }


@@ -1039,20 +1079,20 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
 // private functions
 // ----------------------------------------------------------------------------
 
 // private functions
 // ----------------------------------------------------------------------------
 

-// returns TRUE if there are any fonts matching this font spec
+// returns true if there are any fonts matching this font spec

 static bool wxTestFontSpec(const wxString& fontspec)
 {
     // some X servers will fail to load this font because there are too many
     // matches so we must test explicitly for this
     if ( fontspec == _T("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
     {
 static bool wxTestFontSpec(const wxString& fontspec)
 {
     // some X servers will fail to load this font because there are too many
     // matches so we must test explicitly for this
     if ( fontspec == _T("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
     {

-        return TRUE;
+        return true;

     }
 
     wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec );
     if (test)
     {
     }
 
     wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec );
     if (test)
     {

-        return TRUE;
+        return true;

     }
 
     test = wxLoadFont(fontspec);
     }
 
     test = wxLoadFont(fontspec);


@@ -1062,11 +1102,11 @@ static bool wxTestFontSpec(const wxString& fontspec)
     {
         wxFreeFont(test);
 
     {
         wxFreeFont(test);
 

-        return TRUE;
+        return true;

     }
     else
     {
     }
     else
     {

-        return FALSE;
+        return false;

     }
 }
 
     }
 }
 


@@ -1163,7 +1203,7 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
 
 #else
     wxString fontSpec;
 
 #else
     wxString fontSpec;

-    if (!facename.IsEmpty())
+    if (!facename.empty())

     {
         fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
                         facename.c_str());
     {
         fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
                         facename.c_str());


@@ -1361,7 +1401,7 @@ bool wxFontModule::OnInit()
 {
     g_fontHash = new wxHashTable( wxKEY_STRING );
 
 {
     g_fontHash = new wxHashTable( wxKEY_STRING );
 

-    return TRUE;
+    return true;

 }
 
 void wxFontModule::OnExit()
 }
 
 void wxFontModule::OnExit()


@@ -1372,4 +1412,3 @@ void wxFontModule::OnExit()
 }
 
 #endif // GTK 2.0/1.x
 }
 
 #endif // GTK 2.0/1.x

-