X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/79e4b6277eec63c346239e8957fed478f5daa6ab..30a224112742357fa240cf0e196bbc05b60ff242:/src/unix/fontutil.cpp diff --git a/src/unix/fontutil.cpp b/src/unix/fontutil.cpp index 774dd534bd..6599fa5e71 100644 --- a/src/unix/fontutil.cpp +++ b/src/unix/fontutil.cpp @@ -6,7 +6,7 @@ // Created: 05.11.99 // RCS-ID: $Id$ // Copyright: (c) Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "fontutil.h" #endif @@ -29,19 +29,257 @@ #endif #ifndef WX_PRECOMP + #include "wx/encinfo.h" #endif // PCH +#include "wx/fontutil.h" +#include "wx/fontmap.h" +#include "wx/tokenzr.h" +#include "wx/hash.h" +#include "wx/module.h" + +#if wxUSE_PANGO + +#include "pango/pango.h" + +#ifdef __WXGTK20__ +#include "wx/gtk/private.h" +#else +#include "wx/x11/private.h" +#endif + +// ---------------------------------------------------------------------------- +// wxNativeFontInfo +// ---------------------------------------------------------------------------- + +void wxNativeFontInfo::Init() +{ + description = NULL; +} + +void +wxNativeFontInfo::Init(const wxNativeFontInfo& info) +{ + if (info.description) + description = pango_font_description_copy(info.description); + else + description = NULL; +} + +void wxNativeFontInfo::Free() +{ + if (description) + pango_font_description_free(description); +} + +int wxNativeFontInfo::GetPointSize() const +{ + return pango_font_description_get_size( description ) / PANGO_SCALE; +} + +wxFontStyle wxNativeFontInfo::GetStyle() const +{ + wxFontStyle m_style = wxFONTSTYLE_NORMAL; + + switch (pango_font_description_get_style( description )) + { + case PANGO_STYLE_NORMAL: + m_style = wxFONTSTYLE_NORMAL; + break; + case PANGO_STYLE_ITALIC: + m_style = wxFONTSTYLE_ITALIC; + break; + case PANGO_STYLE_OBLIQUE: + m_style = wxFONTSTYLE_SLANT; + break; + } + + return m_style; +} + +wxFontWeight wxNativeFontInfo::GetWeight() const +{ + wxFontWeight m_weight = wxFONTWEIGHT_NORMAL; + + switch (pango_font_description_get_weight( description )) + { + case PANGO_WEIGHT_ULTRALIGHT: + m_weight = wxFONTWEIGHT_LIGHT; + break; + case PANGO_WEIGHT_LIGHT: + m_weight = wxFONTWEIGHT_LIGHT; + break; + case PANGO_WEIGHT_NORMAL: + m_weight = wxFONTWEIGHT_NORMAL; + break; + case PANGO_WEIGHT_BOLD: + m_weight = wxFONTWEIGHT_BOLD; + break; + case PANGO_WEIGHT_ULTRABOLD: + m_weight = wxFONTWEIGHT_BOLD; + break; + case PANGO_WEIGHT_HEAVY: + m_weight = wxFONTWEIGHT_BOLD; + break; + } + + return m_weight; +} + +bool wxNativeFontInfo::GetUnderlined() const +{ + return FALSE; +} + +wxString wxNativeFontInfo::GetFaceName() const +{ + wxString tmp = wxGTK_CONV_BACK( pango_font_description_get_family( description ) ); + + return tmp; +} + +wxFontFamily wxNativeFontInfo::GetFamily() const +{ + return wxFONTFAMILY_SWISS; +} + +wxFontEncoding wxNativeFontInfo::GetEncoding() const +{ + return wxFONTENCODING_SYSTEM; +} + + +void wxNativeFontInfo::SetPointSize(int WXUNUSED(pointsize)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + +void wxNativeFontInfo::SetStyle(wxFontStyle WXUNUSED(style)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + +void wxNativeFontInfo::SetWeight(wxFontWeight WXUNUSED(weight)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + +void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + +void wxNativeFontInfo::SetFaceName(wxString WXUNUSED(facename)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + +void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + +void wxNativeFontInfo::SetEncoding(wxFontEncoding WXUNUSED(encoding)) +{ + wxFAIL_MSG( _T("not implemented") ); +} + + + +bool wxNativeFontInfo::FromString(const wxString& s) +{ + if (description) + pango_font_description_free( description ); + + description = pango_font_description_from_string( wxGTK_CONV( s ) ); + + return TRUE; +} + +wxString wxNativeFontInfo::ToString() const +{ + char *str = pango_font_description_to_string( description ); + wxString tmp = wxGTK_CONV_BACK( str ); + g_free( str ); + + return tmp; +} + +bool wxNativeFontInfo::FromUserString(const wxString& s) +{ + return FromString( s ); +} + +wxString wxNativeFontInfo::ToUserString() const +{ + return ToString(); +} + +// ---------------------------------------------------------------------------- +// wxNativeEncodingInfo +// ---------------------------------------------------------------------------- + +bool wxNativeEncodingInfo::FromString(const wxString& s) +{ + return FALSE; +} + +wxString wxNativeEncodingInfo::ToString() const +{ + return wxEmptyString; +} + +bool wxTestFontEncoding(const wxNativeEncodingInfo& info) +{ + return TRUE; +} + +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(); + info->encoding = wxFONTENCODING_SYSTEM; + } + + // pretend that we support everything, it's better than to always return + // false as the old code did + return true; +} + +#else // GTK+ 1.x + #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__) - #include "gdk/gdk.h" + // 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" + +// ---------------------------------------------------------------------------- +// private data +// ---------------------------------------------------------------------------- + +static wxHashTable *g_fontHash = (wxHashTable*) NULL; // ---------------------------------------------------------------------------- // private functions @@ -49,22 +287,28 @@ // 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__) - static inline wxNativeFont wxLoadFont(const wxString& fontSpec) + wxNativeFont wxLoadFont(const wxString& fontSpec) { + // VZ: we should use gdk_fontset_load() instead of gdk_font_load() + // here to be able to display Japanese fonts correctly (at least + // this is what people report) but unfortunately doing it results + // in tons of warnings when using GTK with "normal" European + // languages and so we can't always do it and I don't know enough + // to determine when should this be done... (FIXME) return gdk_font_load( wxConvertWX2MB(fontSpec) ); } - static inline void wxFreeFont(wxNativeFont font) + inline void wxFreeFont(wxNativeFont font) { gdk_font_unref(font); } @@ -81,7 +325,8 @@ static wxNativeFont wxLoadQueryFont(int pointSize, bool underlined, const wxString& facename, const wxString& xregistry, - const wxString& xencoding); + const wxString& xencoding, + wxString* xFontName); // ============================================================================ // implementation @@ -92,10 +337,17 @@ 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 ) @@ -114,15 +366,331 @@ 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; + } + + wxString field = tokenizer.GetNextToken(); + if ( !field.empty() && field != _T('*') ) + { + // we're really initialized now + m_isDefault = FALSE; + } + + fontElements[n] = field; + } + + // this should be all + if ( tokenizer.HasMoreTokens() ) + return 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; +} + +int wxNativeFontInfo::GetPointSize() const +{ + const wxString s = GetXFontComponent(wxXLFD_POINTSIZE); + + // return -1 to indicate that the size is unknown + long l; + return s.ToLong(&l) ? l : -1; +} + +wxFontStyle wxNativeFontInfo::GetStyle() const +{ + const wxString s = GetXFontComponent(wxXLFD_SLANT); + + if ( s.length() != 1 ) + { + // it is really unknown but we don't have any way to return it from + // here + return wxFONTSTYLE_NORMAL; + } + + switch ( s[0] ) + { + default: + // again, unknown but consider normal by default + + case _T('r'): + return wxFONTSTYLE_NORMAL; + + case _T('i'): + return wxFONTSTYLE_ITALIC; + + case _T('o'): + return wxFONTSTYLE_SLANT; + } +} + +wxFontWeight wxNativeFontInfo::GetWeight() const +{ + const wxString s = GetXFontComponent(wxXLFD_WEIGHT).MakeLower(); + if ( s.find(_T("bold")) != wxString::npos || s == _T("black") ) + return wxFONTWEIGHT_BOLD; + else if ( s == _T("light") ) + return wxFONTWEIGHT_LIGHT; + + return wxFONTWEIGHT_NORMAL; +} + +bool wxNativeFontInfo::GetUnderlined() const +{ + // X fonts are never underlined + return FALSE; +} + +wxString wxNativeFontInfo::GetFaceName() const +{ + // wxWidgets facename probably more accurately corresponds to X family + return GetXFontComponent(wxXLFD_FAMILY); +} + +wxFontFamily wxNativeFontInfo::GetFamily() const +{ + // and wxWidgets family -- to X foundry, but we have to translate it to + // wxFontFamily somehow... + wxFAIL_MSG(_T("not implemented")); // GetXFontComponent(wxXLFD_FOUNDRY); + + return wxFONTFAMILY_DEFAULT; +} + +wxFontEncoding wxNativeFontInfo::GetEncoding() const +{ + // we already have the code for this but need to refactor it first + wxFAIL_MSG( _T("not implemented") ); + + return wxFONTENCODING_MAX; +} + +void wxNativeFontInfo::SetPointSize(int pointsize) +{ + SetXFontComponent(wxXLFD_POINTSIZE, wxString::Format(_T("%d"), pointsize)); +} + +void wxNativeFontInfo::SetStyle(wxFontStyle style) +{ + wxString s; + switch ( style ) + { + case wxFONTSTYLE_ITALIC: + s = _T('i'); + break; + + case wxFONTSTYLE_SLANT: + s = _T('o'); + break; + + case wxFONTSTYLE_NORMAL: + s = _T('r'); + + default: + wxFAIL_MSG( _T("unknown wxFontStyle in wxNativeFontInfo::SetStyle") ); + return; + } + + SetXFontComponent(wxXLFD_SLANT, s); +} + +void wxNativeFontInfo::SetWeight(wxFontWeight weight) +{ + wxString s; + switch ( weight ) + { + case wxFONTWEIGHT_BOLD: + s = _T("bold"); + break; + + case wxFONTWEIGHT_LIGHT: + s = _T("light"); + break; + + case wxFONTWEIGHT_NORMAL: + s = _T("medium"); + break; + + default: + wxFAIL_MSG( _T("unknown wxFontWeight in wxNativeFontInfo::SetWeight") ); + return; + } + + SetXFontComponent(wxXLFD_WEIGHT, s); +} + +void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined)) +{ + // can't do this under X +} + +void wxNativeFontInfo::SetFaceName(wxString facename) +{ + SetXFontComponent(wxXLFD_FAMILY, facename); +} + +void wxNativeFontInfo::SetFamily(wxFontFamily family) +{ + // wxFontFamily -> X foundry, anyone? + wxFAIL_MSG( _T("not implemented") ); + + // SetXFontComponent(wxXLFD_FOUNDRY, ...); +} + +void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding) +{ + wxNativeEncodingInfo info; + if ( wxGetNativeFontEncoding(encoding, &info) ) + { + SetXFontComponent(wxXLFD_ENCODING, info.xencoding); + SetXFontComponent(wxXLFD_REGISTRY, info.xregistry); + } +} + // ---------------------------------------------------------------------------- // common functions // ---------------------------------------------------------------------------- @@ -150,6 +718,7 @@ 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: @@ -160,10 +729,21 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, } break; + case wxFONTENCODING_UTF8: + info->xregistry = wxT("iso10646"); + info->xencoding = wxT("*"); + break; + + case wxFONTENCODING_GB2312: + info->xregistry = wxT("GB2312"); // or the otherway round? + info->xencoding = wxT("*"); + break; + case wxFONTENCODING_KOI8: + case wxFONTENCODING_KOI8_U: 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; @@ -184,7 +764,7 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, case wxFONTENCODING_SYSTEM: info->xregistry = - info->xencoding = wxT('*'); + info->xencoding = wxT("*"); break; default: @@ -192,6 +772,8 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, return FALSE; } + info->encoding = encoding; + return TRUE; } @@ -216,30 +798,69 @@ 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 ( !wxFontMapper::Get()->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(wxT("%d-"), pointSize); + + while(tokenizer.HasMoreTokens()) + newFontName += tokenizer.GetNextToken(); + + font = wxLoadFont(newFontName); + + if(font) + *xFontName = newFontName; + } if ( !font ) { @@ -247,20 +868,54 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, int max_size = pointSize + 20 * (1 + (pointSize/180)); int min_size = pointSize - 20 * (1 + (pointSize/180)); - int i; + int i, round; // counters + + // first round: search for equal, then for smaller and for larger size with the given weight and style + int testweight = weight; + int teststyle = style; - // Search for smaller size (approx.) - for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 ) + for ( round = 0; round < 3; round++ ) + { + // second round: use normal weight + if ( round == 1 ) { - font = wxLoadQueryFont(i, family, style, weight, underlined, - facename, info.xregistry, info.xencoding); + if ( testweight != wxNORMAL ) + { + testweight = wxNORMAL; + } + else + { + ++round; // fall through to third round + } + } + + // third round: ... and use normal style + if ( round == 2 ) + { + if ( teststyle != wxNORMAL ) + { + teststyle = wxNORMAL; + } + else + { + break; + } + } + // Search for equal or smaller size (approx.) + for ( i = pointSize; !font && i >= 10 && i >= min_size; i -= 10 ) + { + font = wxLoadQueryFont(i, family, teststyle, testweight, underlined, + 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); + font = wxLoadQueryFont(i, family, teststyle, testweight, underlined, + facename, info.xregistry, info.xencoding, + xFontName); + } } // Try default family @@ -268,23 +923,53 @@ 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); + } + } + } } } @@ -298,7 +983,22 @@ 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); @@ -318,7 +1018,8 @@ 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) @@ -331,7 +1032,77 @@ 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()) { @@ -348,10 +1119,47 @@ 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; @@ -450,11 +1258,59 @@ static wxNativeFont wxLoadQueryFont(int pointSize, default: xweight = wxT("*"); break; } + // if pointSize is -1, don't specify any + wxString sizeSpec; + if ( pointSize == -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; +} + +#endif // GTK 2.0/1.x +