minor fix to wxDC::SetClippingRegion

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

diff --git a/src/unix/fontutil.cpp b/src/unix/fontutil.cpp
index 27c2de464aa47c5e354f0c47b275c91642e5f6c6..e161707732df204498842a5d85085b082612800f 100644 (file)
--- a/src/unix/fontutil.cpp
+++ b/src/unix/fontutil.cpp
@@ -71,22 +71,22 @@ static wxHashTable *g_fontHash = (wxHashTable*) NULL;
 
 // define the functions to create and destroy native fonts for this toolkit
 #ifdef __X__
-    static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+    wxNativeFont wxLoadFont(const wxString& fontSpec)
     {
         return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
     }
 
-    static inline void wxFreeFont(wxNativeFont font)
+    inline void wxFreeFont(wxNativeFont font)
     {
         XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font);
     }
 #elif defined(__WXGTK__)
-    static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+    wxNativeFont wxLoadFont(const wxString& fontSpec)
     {
        return gdk_font_load( wxConvertWX2MB(fontSpec) );
     }
 
-    static inline void wxFreeFont(wxNativeFont font)
+    inline void wxFreeFont(wxNativeFont font)
     {
         gdk_font_unref(font);
     }
@@ -159,7 +159,7 @@ wxString wxNativeEncodingInfo::ToString() const
 
 void wxNativeFontInfo::Init()
 {
-    xFontName.clear();
+    m_isDefault = TRUE;
 }
 
 bool wxNativeFontInfo::FromString(const wxString& s)
@@ -196,11 +196,18 @@ wxString wxNativeFontInfo::ToUserString() const
     return GetXFontName();
 }
 
+bool wxNativeFontInfo::HasElements() const
+{
+    // we suppose that the foundry is never empty, so if it is it means that we
+    // had never parsed the XLFD
+    return !fontElements[0].empty();
+}
+
 wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
 {
     wxCHECK_MSG( field < wxXLFD_MAX, _T(""), _T("invalid XLFD field") );
 
-    if ( fontElements[0].empty() )
+    if ( !HasElements() )
     {
         // const_cast
         if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )
@@ -213,7 +220,13 @@ wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
 bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
 {
     // TODO: we should be able to handle the font aliases here, but how?
-    wxStringTokenizer tokenizer(fontname, _T("-"), wxTOKEN_STRTOK);
+    wxStringTokenizer tokenizer(fontname, _T("-"));
+
+    // skip the leading, usually empty field (font name registry)
+    if ( !tokenizer.HasMoreTokens() )
+        return FALSE;
+
+    (void)tokenizer.GetNextToken();
 
     for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ )
     {
@@ -239,7 +252,7 @@ wxString wxNativeFontInfo::GetXFontName() const
             // replace the non specified elements with '*' except for the
             // additional style which is usually just omitted
             wxString elt = fontElements[n];
-            if ( elt.empty() && n != 5 )
+            if ( elt.empty() && n != wxXLFD_ADDSTYLE )
             {
                 elt = _T('*');
             }
@@ -252,6 +265,42 @@ wxString wxNativeFontInfo::GetXFontName() const
     return xFontName;
 }
 
+void
+wxNativeFontInfo::SetXFontComponent(wxXLFDField field, const wxString& value)
+{
+    wxCHECK_RET( field < wxXLFD_MAX, _T("invalid XLFD field") );
+
+    // this class should be initialized with a valid font spec first and only
+    // then the fields may be modified!
+    wxASSERT_MSG( !IsDefault(), _T("can't modify an uninitialized XLFD") );
+
+    if ( !HasElements() )
+    {
+        // const_cast
+        if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )
+        {
+            wxFAIL_MSG( _T("can't set font element for invalid XLFD") );
+
+            return;
+        }
+    }
+
+    fontElements[field] = value;
+
+    // invalidate the XFLD, it doesn't correspond to the font elements any more
+    xFontName.clear();
+}
+
+void wxNativeFontInfo::SetXFontName(const wxString& xFontName_)
+{
+    // invalidate the font elements, GetXFontComponent() will reparse the XLFD
+    fontElements[0].clear();
+
+    xFontName = xFontName_;
+
+    m_isDefault = FALSE;
+}
+
 // ----------------------------------------------------------------------------
 // common functions
 // ----------------------------------------------------------------------------
@@ -564,7 +613,77 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
         case wxSCRIPT:     xfamily = wxT("utopia"); break;
         default:           xfamily = wxT("*");
     }
+#if wxUSE_NANOX
+    int xweight;
+    switch (weight)
+    {
+         case wxBOLD:
+             {
+                 xweight = MWLF_WEIGHT_BOLD;
+                 break;
+             }
+        case wxLIGHT:
+             {
+                 xweight = MWLF_WEIGHT_LIGHT;
+                 break;
+             }
+         case wxNORMAL:
+             {
+                 xweight = MWLF_WEIGHT_NORMAL;
+                 break;
+             }
 
+     default:
+             {
+                 xweight = MWLF_WEIGHT_DEFAULT;
+                 break;
+             }
+    }
+    GR_SCREEN_INFO screenInfo;
+    GrGetScreenInfo(& screenInfo);
+
+    int yPixelsPerCM = screenInfo.ydpcm;
+
+    // A point is 1/72 of an inch.
+    // An inch is 2.541 cm.
+    // So pixelHeight = (pointSize / 72) (inches) * 2.541 (for cm) * yPixelsPerCM (for pixels)
+    // In fact pointSize is 10 * the normal point size so
+    // divide by 10.
+
+    int pixelHeight = (int) ( (((float)pointSize) / 720.0) * 2.541 * (float) yPixelsPerCM) ;
+
+    // An alternative: assume that the screen is 72 dpi.
+    //int pixelHeight = (int) (((float)pointSize / 720.0) * 72.0) ;
+    //int pixelHeight = (int) ((float)pointSize / 10.0) ;
+    
+    GR_LOGFONT logFont;
+    logFont.lfHeight = pixelHeight;
+    logFont.lfWidth = 0;
+    logFont.lfEscapement = 0;
+    logFont.lfOrientation = 0;
+    logFont.lfWeight = xweight;
+    logFont.lfItalic = (style == wxNORMAL ? 0 : 1) ;
+    logFont.lfUnderline = 0;
+    logFont.lfStrikeOut = 0;
+    logFont.lfCharSet = MWLF_CHARSET_DEFAULT; // TODO: select appropriate one
+    logFont.lfOutPrecision = MWLF_TYPE_DEFAULT;
+    logFont.lfClipPrecision = 0; // Not used
+    logFont.lfRoman = (family == wxROMAN ? 1 : 0) ;
+    logFont.lfSerif = (family == wxSWISS ? 0 : 1) ;
+    logFont.lfSansSerif = !logFont.lfSerif ;
+    logFont.lfModern = (family == wxMODERN ? 1 : 0) ;
+    logFont.lfProportional = (family == wxTELETYPE ? 0 : 1) ;
+    logFont.lfOblique = 0;
+    logFont.lfSmallCaps = 0;
+    logFont.lfPitch = 0; // 0 = default
+    strcpy(logFont.lfFaceName, facename.c_str());
+
+    XFontStruct* fontInfo = (XFontStruct*) malloc(sizeof(XFontStruct));
+    fontInfo->fid = GrCreateFont((GR_CHAR*) facename.c_str(), pixelHeight, & logFont);
+    GrGetFontInfo(fontInfo->fid, & fontInfo->info);
+    return (wxNativeFont) fontInfo;
+    
+#else
     wxString fontSpec;
     if (!facename.IsEmpty())
     {
@@ -722,7 +841,7 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
 
     // if pointSize is -1, don't specify any
     wxString sizeSpec;
-    if ( fontSpec == -1 )
+    if ( pointSize == -1 )
     {
         sizeSpec = _T('*');
     }
@@ -740,6 +859,8 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
         *xFontName = fontSpec;
 
     return wxLoadFont(fontSpec);
+#endif
+    // wxUSE_NANOX
 }
 
 // ----------------------------------------------------------------------------