X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/53f6aab75294c585e53e02b618a09dcb1dd97fb8..164f091f4bb7bfd23c1f7af516327207c2193482:/src/unix/fontutil.cpp diff --git a/src/unix/fontutil.cpp b/src/unix/fontutil.cpp index 27c2de464a..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 @@ -29,8 +29,229 @@ #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 @@ -53,11 +274,6 @@ #include #endif -#include "wx/fontutil.h" -#include "wx/fontmap.h" -#include "wx/tokenzr.h" -#include "wx/hash.h" -#include "wx/module.h" // ---------------------------------------------------------------------------- // private data @@ -71,22 +287,28 @@ 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) ); + // 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); } @@ -159,7 +381,7 @@ wxString wxNativeEncodingInfo::ToString() const void wxNativeFontInfo::Init() { - xFontName.clear(); + m_isDefault = TRUE; } bool wxNativeFontInfo::FromString(const wxString& s) @@ -196,11 +418,18 @@ 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 +442,13 @@ 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++ ) { @@ -223,11 +458,21 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname) return FALSE; } - fontElements[n] = tokenizer.GetNextToken(); + wxString field = tokenizer.GetNextToken(); + if ( !field.empty() && field != _T('*') ) + { + // we're really initialized now + m_isDefault = FALSE; + } + + fontElements[n] = field; } // this should be all - return !tokenizer.HasMoreTokens(); + if ( tokenizer.HasMoreTokens() ) + return FALSE; + + return TRUE; } wxString wxNativeFontInfo::GetXFontName() const @@ -239,7 +484,7 @@ 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 +497,200 @@ 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; +} + +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 // ---------------------------------------------------------------------------- @@ -295,7 +734,13 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding, 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, koi8-u and koi8-ru (so far) @@ -376,7 +821,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, !wxTestFontEncoding(info) ) { #if wxUSE_FONTMAP - if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) ) + if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) ) #endif // wxUSE_FONTMAP { // unspported encoding - replace it with the default @@ -406,7 +851,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, (void) tokenizer.NextToken(); - newFontName += wxString::Format("%d-", pointSize); + newFontName += wxString::Format(wxT("%d-"), pointSize); while(tokenizer.HasMoreTokens()) newFontName += tokenizer.GetNextToken(); @@ -417,27 +862,49 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, *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 ) { // search up and down by stepsize 10 int max_size = pointSize + 20 * (1 + (pointSize/180)); int min_size = pointSize - 20 * (1 + (pointSize/180)); - int i; + int i, round; // counters - // Search for smaller size (approx.) - for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 ) + // first round: search for equal, then for smaller and for larger size with the given weight and style + int testweight = weight; + int teststyle = style; + + for ( round = 0; round < 3; round++ ) + { + // second round: use normal weight + if ( round == 1 ) { - font = wxLoadQueryFont(i, family, style, weight, underlined, + 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); } @@ -445,9 +912,10 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize, // Search for larger size (approx.) for ( i = pointSize + 10; !font && i <= max_size; i += 10 ) { - font = wxLoadQueryFont(i, family, style, weight, underlined, + font = wxLoadQueryFont(i, family, teststyle, testweight, underlined, facename, info.xregistry, info.xencoding, xFontName); + } } // Try default family @@ -564,7 +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()) { @@ -722,7 +1260,7 @@ 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 +1278,8 @@ static wxNativeFont wxLoadQueryFont(int pointSize, *xFontName = fontSpec; return wxLoadFont(fontSpec); +#endif + // wxUSE_NANOX } // ---------------------------------------------------------------------------- @@ -771,3 +1311,6 @@ void wxFontModule::OnExit() g_fontHash = (wxHashTable *)NULL; } + +#endif // GTK 2.0/1.x +