+// ----------------------------------------------------------------------------
+// wxNativeFontInfo
+// ----------------------------------------------------------------------------
+
+void wxNativeFontInfo::Init()
+{
+ m_isDefault = TRUE;
+}
+
+bool wxNativeFontInfo::FromString(const wxString& s)
+{
+ wxStringTokenizer tokenizer(s, _T(";"));
+
+ // check the version
+ wxString token = tokenizer.GetNextToken();
+ if ( token != _T('0') )
+ return FALSE;
+
+ xFontName = tokenizer.GetNextToken();
+
+ // this should be the end
+ if ( tokenizer.HasMoreTokens() )
+ return FALSE;
+
+ return FromXFontName(xFontName);
+}
+
+wxString wxNativeFontInfo::ToString() const
+{
+ // 0 is the version
+ return wxString::Format(_T("%d;%s"), 0, GetXFontName().c_str());
+}
+
+bool wxNativeFontInfo::FromUserString(const wxString& s)
+{
+ return FromXFontName(s);
+}
+
+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 ( !HasElements() )
+ {
+ // const_cast
+ if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )
+ return _T("");
+ }
+
+ return fontElements[field];
+}
+
+bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
+{
+ // TODO: we should be able to handle the font aliases here, but how?
+ 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++ )
+ {
+ if ( !tokenizer.HasMoreTokens() )
+ {
+ // not enough elements in the XLFD - or maybe an alias
+ return FALSE;
+ }
+
+ fontElements[n] = tokenizer.GetNextToken();
+ }
+
+ // this should be all
+ if ( tokenizer.HasMoreTokens() )
+ return FALSE;
+
+ // we're initialized now
+ m_isDefault = FALSE;
+
+ return TRUE;
+}
+
+wxString wxNativeFontInfo::GetXFontName() const
+{
+ if ( xFontName.empty() )
+ {
+ for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ )
+ {
+ // replace the non specified elements with '*' except for the
+ // additional style which is usually just omitted
+ wxString elt = fontElements[n];
+ if ( elt.empty() && n != wxXLFD_ADDSTYLE )
+ {
+ elt = _T('*');
+ }
+
+ // const_cast
+ ((wxNativeFontInfo *)this)->xFontName << _T('-') << elt;
+ }
+ }
+
+ 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;
+}
+
projects / wxWidgets.git / blobdiff