X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7beba2fc73283f5b750227459da57e66bcd475f5..df0dc216ad7c5ace4d80c9afc866f3c002b7b09d:/src/unix/fontutil.cpp diff --git a/src/unix/fontutil.cpp b/src/unix/fontutil.cpp index c32a5acfbb..7379c3aab2 100644 --- a/src/unix/fontutil.cpp +++ b/src/unix/fontutil.cpp @@ -31,9 +31,39 @@ #ifndef WX_PRECOMP #endif // PCH +#ifdef __X__ + #ifdef __VMS__ + #pragma message disable nosimpint + #endif + + #include + + #ifdef __VMS__ + #pragma message enable nosimpint + #endif + + #include "wx/utils.h" // for wxGetDisplay() +#elif defined(__WXGTK__) + // we have to declare struct tm to avoid problems with first forward + // declaring it in C code (glib.h included from gdk.h does it) and then + // defining it when time.h is included from the headers below - this is + // known not to work at least with Sun CC 6.01 + #include + + #include +#endif + #include "wx/fontutil.h" #include "wx/fontmap.h" #include "wx/tokenzr.h" +#include "wx/hash.h" +#include "wx/module.h" + +// ---------------------------------------------------------------------------- +// private data +// ---------------------------------------------------------------------------- + +static wxHashTable *g_fontHash = (wxHashTable*) NULL; // ---------------------------------------------------------------------------- // private functions @@ -41,24 +71,22 @@ // 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(), font); + XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font); } #elif defined(__WXGTK__) - #include "gdk/gdk.h" - - static inline wxNativeFont wxLoadFont(const wxString& fontSpec) + wxNativeFont wxLoadFont(const wxString& fontSpec) { - return gdk_font_load( wxConvertWX2MB(fontSpec) ); + return gdk_font_load( wxConvertWX2MB(fontSpec) ); } - static inline void wxFreeFont(wxNativeFont font) + inline void wxFreeFont(wxNativeFont font) { gdk_font_unref(font); } @@ -75,7 +103,8 @@ static wxNativeFont wxLoadQueryFont(int pointSize, bool underlined, const wxString& facename, const wxString& xregistry, - const wxString& xencoding); + const wxString& xencoding, + wxString* xFontName); // ============================================================================ // implementation @@ -86,10 +115,17 @@ static wxNativeFont wxLoadQueryFont(int pointSize, // ---------------------------------------------------------------------------- // convert to/from the string representation: format is -// registry-encoding[-facename] +// encodingid;registry;encoding[;facename] bool wxNativeEncodingInfo::FromString(const wxString& s) { - wxStringTokenizer tokenizer(s, _T("-")); + // use ";", not "-" because it may be part of encoding name + wxStringTokenizer tokenizer(s, _T(";")); + + wxString encid = tokenizer.GetNextToken(); + long enc; + if ( !encid.ToLong(&enc) ) + return FALSE; + encoding = (wxFontEncoding)enc; xregistry = tokenizer.GetNextToken(); if ( !xregistry ) @@ -108,15 +144,163 @@ bool wxNativeEncodingInfo::FromString(const wxString& s) wxString wxNativeEncodingInfo::ToString() const { wxString s; - s << xregistry << _T('-') << xencoding; + s << (long)encoding << _T(';') << xregistry << _T(';') << xencoding; if ( !!facename ) { - s << _T('-') << facename; + s << _T(';') << facename; } return s; } +// ---------------------------------------------------------------------------- +// 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 + return !tokenizer.HasMoreTokens(); +} + +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; +} + // ---------------------------------------------------------------------------- // common functions // ---------------------------------------------------------------------------- @@ -144,6 +328,7 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, case wxFONTENCODING_ISO8859_9: case wxFONTENCODING_ISO8859_10: case wxFONTENCODING_ISO8859_11: + case wxFONTENCODING_ISO8859_12: case wxFONTENCODING_ISO8859_13: case wxFONTENCODING_ISO8859_14: case wxFONTENCODING_ISO8859_15: @@ -154,10 +339,15 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, } break; + case wxFONTENCODING_UTF8: + info->xregistry = wxT("iso10646"); + info->xencoding = wxT("*"); + break; + case wxFONTENCODING_KOI8: info->xregistry = wxT("koi8"); - // we don't make distinction between koi8-r and koi8-u (so far) + // we don't make distinction between koi8-r, koi8-u and koi8-ru (so far) info->xencoding = wxT("*"); break; @@ -178,7 +368,7 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, case wxFONTENCODING_SYSTEM: info->xregistry = - info->xencoding = wxT('*'); + info->xencoding = wxT("*"); break; default: @@ -186,6 +376,8 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, return FALSE; } + info->encoding = encoding; + return TRUE; } @@ -210,30 +402,78 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, int weight, bool underlined, const wxString &facename, - wxFontEncoding encoding) + wxFontEncoding encoding, + wxString* xFontName) { + if ( encoding == wxFONTENCODING_DEFAULT ) + { + encoding = wxFont::GetDefaultEncoding(); + } + // first determine the encoding - if the font doesn't exist at all in this // encoding, it's useless to do all other approximations (i.e. size, // family &c don't matter much) wxNativeEncodingInfo info; - if ( !wxGetNativeFontEncoding(encoding, &info) || - !wxTestFontEncoding(info) ) + if ( encoding == wxFONTENCODING_SYSTEM ) + { + // This will always work so we don't test to save time + wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info); + } + else { - if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) ) + if ( !wxGetNativeFontEncoding(encoding, &info) || + !wxTestFontEncoding(info) ) { - // unspported encoding - replace it with the default - // - // NB: we can't just return 0 from here because wxGTK code doesn't - // check for it (i.e. it supposes that we'll always succeed), - // so it would provoke a crash - wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info); +#if wxUSE_FONTMAP + if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) ) +#endif // wxUSE_FONTMAP + { + // unspported encoding - replace it with the default + // + // NB: we can't just return 0 from here because wxGTK code doesn't + // check for it (i.e. it supposes that we'll always succeed), + // so it would provoke a crash + wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info); + } } } - //else: we have the correct xregistry/xencoding in info structure - wxNativeFont font = wxLoadQueryFont( pointSize, family, style, weight, - underlined, facename, - info.xregistry, info.xencoding ); + // OK, we have the correct xregistry/xencoding in info structure + wxNativeFont font = 0; + + // if we already have the X font name, try to use it + if( xFontName && !xFontName->IsEmpty() ) + { + // + // Make sure point size is correct for scale factor. + // + wxStringTokenizer tokenizer(*xFontName, _T("-"), wxTOKEN_RET_DELIMS); + wxString newFontName; + + for(int i = 0; i < 8; i++) + newFontName += tokenizer.NextToken(); + + (void) tokenizer.NextToken(); + + newFontName += wxString::Format("%d-", pointSize); + + while(tokenizer.HasMoreTokens()) + newFontName += tokenizer.GetNextToken(); + + font = wxLoadFont(newFontName); + + if(font) + *xFontName = newFontName; + } + + // try to load exactly the font requested first + if( !font ) + { + font = wxLoadQueryFont( pointSize, family, style, weight, + underlined, facename, + info.xregistry, info.xencoding, + xFontName ); + } if ( !font ) { @@ -247,14 +487,16 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 ) { font = wxLoadQueryFont(i, family, style, weight, underlined, - facename, info.xregistry, info.xencoding); + facename, info.xregistry, info.xencoding, + xFontName); } // Search for larger size (approx.) for ( i = pointSize + 10; !font && i <= max_size; i += 10 ) { font = wxLoadQueryFont(i, family, style, weight, underlined, - facename, info.xregistry, info.xencoding); + facename, info.xregistry, info.xencoding, + xFontName); } // Try default family @@ -262,23 +504,53 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, { font = wxLoadQueryFont(pointSize, wxDEFAULT, style, weight, underlined, facename, - info.xregistry, info.xencoding ); + info.xregistry, info.xencoding, + xFontName ); } - // Bogus font I + // ignore size, family, style and weight but try to find font with the + // given facename and encoding if ( !font ) { font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, underlined, facename, - info.xregistry, info.xencoding); - } + info.xregistry, info.xencoding, + xFontName); - // Bogus font II - if ( !font ) - { - font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, - underlined, wxEmptyString, - info.xregistry, info.xencoding); + // ignore family as well + if ( !font ) + { + font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, + underlined, wxEmptyString, + info.xregistry, info.xencoding, + xFontName); + + // if it still failed, try to get the font of any size but + // with the requested encoding: this can happen if the + // encoding is only available in one size which happens to be + // different from 120 + if ( !font ) + { + font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL, + FALSE, wxEmptyString, + info.xregistry, info.xencoding, + xFontName); + + // this should never happen as we had tested for it in the + // very beginning, but if it does, do return something non + // NULL or we'd crash in wxFont code + if ( !font ) + { + wxFAIL_MSG( _T("this encoding should be available!") ); + + font = wxLoadQueryFont(-1, + wxDEFAULT, wxNORMAL, wxNORMAL, + FALSE, wxEmptyString, + _T("*"), _T("*"), + xFontName); + } + } + } } } @@ -292,7 +564,22 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, // returns TRUE if there are any fonts matching this font spec static bool wxTestFontSpec(const wxString& fontspec) { - wxNativeFont test = wxLoadFont(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; + } + + wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec ); + if (test) + { + return TRUE; + } + + test = wxLoadFont(fontspec); + g_fontHash->Put( fontspec, (wxObject*) test ); + if ( test ) { wxFreeFont(test); @@ -312,7 +599,8 @@ static wxNativeFont wxLoadQueryFont(int pointSize, bool WXUNUSED(underlined), const wxString& facename, const wxString& xregistry, - const wxString& xencoding) + const wxString& xencoding, + wxString* xFontName) { wxString xfamily; switch (family) @@ -325,7 +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 * fudgeFactor) ; + + // 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()) { @@ -342,10 +700,47 @@ static wxNativeFont wxLoadQueryFont(int pointSize, wxString xstyle; switch (style) { - case wxITALIC: xstyle = wxT("i"); break; - case wxSLANT: xstyle = wxT("o"); break; - case wxNORMAL: xstyle = wxT("r"); break; - default: xstyle = wxT("*"); break; + case wxSLANT: + fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"), + xfamily.c_str()); + if ( wxTestFontSpec(fontSpec) ) + { + xstyle = wxT("o"); + break; + } + // fall through - try wxITALIC now + + case wxITALIC: + fontSpec.Printf(wxT("-*-%s-*-i-*-*-*-*-*-*-*-*-*-*"), + xfamily.c_str()); + if ( wxTestFontSpec(fontSpec) ) + { + xstyle = wxT("i"); + } + else if ( style == wxITALIC ) // and not wxSLANT + { + // try wxSLANT + fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"), + xfamily.c_str()); + if ( wxTestFontSpec(fontSpec) ) + { + xstyle = wxT("o"); + } + else + { + // no italic, no slant - leave default + xstyle = wxT("*"); + } + } + break; + + default: + wxFAIL_MSG(_T("unknown font style")); + // fall back to normal + + case wxNORMAL: + xstyle = wxT("r"); + break; } wxString xweight; @@ -444,11 +839,56 @@ static wxNativeFont wxLoadQueryFont(int pointSize, default: xweight = wxT("*"); break; } + // if pointSize is -1, don't specify any + wxString sizeSpec; + if ( fontSpec == -1 ) + { + sizeSpec = _T('*'); + } + else + { + sizeSpec.Printf(_T("%d"), pointSize); + } + // construct the X font spec from our data - fontSpec.Printf(wxT("-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-%s-%s"), + fontSpec.Printf(wxT("-*-%s-%s-%s-normal-*-*-%s-*-*-*-*-%s-%s"), xfamily.c_str(), xweight.c_str(), xstyle.c_str(), - pointSize, xregistry.c_str(), xencoding.c_str()); + sizeSpec.c_str(), xregistry.c_str(), xencoding.c_str()); + + if( xFontName ) + *xFontName = fontSpec; return wxLoadFont(fontSpec); +#endif + // wxUSE_NANOX +} + +// ---------------------------------------------------------------------------- +// wxFontModule +// ---------------------------------------------------------------------------- + +class wxFontModule : public wxModule +{ +public: + bool OnInit(); + void OnExit(); + +private: + DECLARE_DYNAMIC_CLASS(wxFontModule) +}; + +IMPLEMENT_DYNAMIC_CLASS(wxFontModule, wxModule) + +bool wxFontModule::OnInit() +{ + g_fontHash = new wxHashTable( wxKEY_STRING ); + + return TRUE; } +void wxFontModule::OnExit() +{ + delete g_fontHash; + + g_fontHash = (wxHashTable *)NULL; +}