X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ab29bb87b20df9b6afb50d13044506e143e84951..61f09f569358d7b2752733c4a24d1bd10daefae2:/src/common/fontcmn.cpp diff --git a/src/common/fontcmn.cpp b/src/common/fontcmn.cpp index 4fcd211e53..a59e671c5b 100644 --- a/src/common/fontcmn.cpp +++ b/src/common/fontcmn.cpp @@ -45,6 +45,32 @@ #include "wx/tokenzr.h" +// debugger helper: this function can be called from a debugger to show what +// the date really is +extern const char *wxDumpFont(const wxFont *font) +{ + static char buf[256]; + + const wxFontWeight weight = font->GetWeight(); + + wxString s; + s.Printf(wxS("%s-%s-%s-%d-%d"), + font->GetFaceName(), + weight == wxFONTWEIGHT_NORMAL + ? wxT("normal") + : weight == wxFONTWEIGHT_BOLD + ? wxT("bold") + : wxT("light"), + font->GetStyle() == wxFONTSTYLE_NORMAL + ? wxT("regular") + : wxT("italic"), + font->GetPointSize(), + font->GetEncoding()); + + wxStrlcpy(buf, s.mb_str(), WXSIZEOF(buf)); + return buf; +} + // ============================================================================ // implementation // ============================================================================ @@ -53,58 +79,27 @@ // helper functions // ---------------------------------------------------------------------------- -static void AdjustFontSize(wxFont& font, wxDC& dc, const wxSize& pixelSize) +static inline int flags2Style(int flags) { - int currentSize = 0; - int largestGood = 0; - int smallestBad = 0; - - bool initialGoodFound = false; - bool initialBadFound = false; - - // NB: this assignment was separated from the variable definition - // in order to fix a gcc v3.3.3 compiler crash - currentSize = font.GetPointSize(); - while (currentSize > 0) - { - dc.SetFont(font); - - // if currentSize (in points) results in a font that is smaller - // than required by pixelSize it is considered a good size - if (dc.GetCharHeight() <= pixelSize.GetHeight() && - (!pixelSize.GetWidth() || - dc.GetCharWidth() <= pixelSize.GetWidth())) - { - largestGood = currentSize; - initialGoodFound = true; - } - else - { - smallestBad = currentSize; - initialBadFound = true; - } - if (!initialGoodFound) - { - currentSize /= 2; - } - else if (!initialBadFound) - { - currentSize *= 2; - } - else - { - int distance = smallestBad - largestGood; - if (distance == 1) - break; - - currentSize = largestGood + distance / 2; - } + return flags & wxFONTFLAG_ITALIC + ? wxFONTSTYLE_ITALIC + : flags & wxFONTFLAG_SLANT + ? wxFONTSTYLE_SLANT + : wxFONTSTYLE_NORMAL; +} - font.SetPointSize(currentSize); - } +static inline int flags2Weight(int flags) +{ + return flags & wxFONTFLAG_LIGHT + ? wxFONTWEIGHT_LIGHT + : flags & wxFONTFLAG_BOLD + ? wxFONTWEIGHT_BOLD + : wxFONTWEIGHT_NORMAL; +} - if (currentSize != largestGood) - font.SetPointSize(largestGood); +static inline bool flags2Underlined(int flags) +{ + return (flags & wxFONTFLAG_UNDERLINED) != 0; } // ---------------------------------------------------------------------------- @@ -119,7 +114,7 @@ void wxFontBase::SetDefaultEncoding(wxFontEncoding encoding) // GetDefaultEncoding() should return something != wxFONTENCODING_DEFAULT // and, besides, using this value here doesn't make any sense wxCHECK_RET( encoding != wxFONTENCODING_DEFAULT, - _T("can't set default encoding to wxFONTENCODING_DEFAULT") ); + wxT("can't set default encoding to wxFONTENCODING_DEFAULT") ); ms_encodingDefault = encoding; } @@ -131,9 +126,9 @@ wxFontBase::~wxFontBase() /* static */ wxFont *wxFontBase::New(int size, - int family, - int style, - int weight, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, bool underlined, const wxString& face, wxFontEncoding encoding) @@ -141,27 +136,17 @@ wxFont *wxFontBase::New(int size, return new wxFont(size, family, style, weight, underlined, face, encoding); } -static inline int flags2Style(int flags) -{ - return flags & wxFONTFLAG_ITALIC - ? wxFONTSTYLE_ITALIC - : flags & wxFONTFLAG_SLANT - ? wxFONTSTYLE_SLANT - : wxFONTSTYLE_NORMAL; -} - -static inline int flags2Weight(int flags) -{ - return flags & wxFONTFLAG_LIGHT - ? wxFONTWEIGHT_LIGHT - : flags & wxFONTFLAG_BOLD - ? wxFONTWEIGHT_BOLD - : wxFONTWEIGHT_NORMAL; -} - -static inline bool flags2Underlined(int flags) +/* static */ +wxFont *wxFontBase::New(const wxSize& pixelSize, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, + bool underlined, + const wxString& face, + wxFontEncoding encoding) { - return (flags & wxFONTFLAG_UNDERLINED) != 0; + return new wxFont(pixelSize, family, style, weight, underlined, + face, encoding); } /* static */ @@ -175,26 +160,6 @@ wxFont *wxFontBase::New(int pointSize, flags2Underlined(flags), face, encoding); } -/* static */ -wxFont *wxFontBase::New(const wxSize& pixelSize, - int family, - int style, - int weight, - bool underlined, - const wxString& face, - wxFontEncoding encoding) -{ -#if defined(__WXMSW__) - return new wxFont(pixelSize, family, style, weight, underlined, - face, encoding); -#else - wxFont *self = New(10, family, style, weight, underlined, face, encoding); - wxScreenDC dc; - AdjustFontSize(*(wxFont *)self, dc, pixelSize); - return self; -#endif -} - /* static */ wxFont *wxFontBase::New(const wxSize& pixelSize, wxFontFamily family, @@ -206,24 +171,6 @@ wxFont *wxFontBase::New(const wxSize& pixelSize, flags2Underlined(flags), face, encoding); } -wxSize wxFontBase::GetPixelSize() const -{ - wxScreenDC dc; - dc.SetFont(*(wxFont *)this); - return wxSize(dc.GetCharWidth(), dc.GetCharHeight()); -} - -bool wxFontBase::IsUsingSizeInPixels() const -{ - return false; -} - -void wxFontBase::SetPixelSize( const wxSize& pixelSize ) -{ - wxScreenDC dc; - AdjustFontSize(*(wxFont *)this, dc, pixelSize); -} - /* static */ wxFont *wxFontBase::New(const wxNativeFontInfo& info) { @@ -245,6 +192,81 @@ bool wxFontBase::IsFixedWidth() const return GetFamily() == wxFONTFAMILY_TELETYPE; } +wxSize wxFontBase::GetPixelSize() const +{ + wxScreenDC dc; + dc.SetFont(*(wxFont *)this); + return wxSize(dc.GetCharWidth(), dc.GetCharHeight()); +} + +bool wxFontBase::IsUsingSizeInPixels() const +{ + return false; +} + +void wxFontBase::SetPixelSize( const wxSize& pixelSize ) +{ + wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0, + "Negative values for the pixel size or zero pixel height are not allowed" ); + + wxScreenDC dc; + + // NOTE: this algorithm for adjusting the font size is used by all + // implementations of wxFont except under wxMSW and wxGTK where + // native support to font creation using pixel-size is provided. + + int largestGood = 0; + int smallestBad = 0; + + bool initialGoodFound = false; + bool initialBadFound = false; + + // NB: this assignment was separated from the variable definition + // in order to fix a gcc v3.3.3 compiler crash + int currentSize = GetPointSize(); + while (currentSize > 0) + { + dc.SetFont(*static_cast(this)); + + // if currentSize (in points) results in a font that is smaller + // than required by pixelSize it is considered a good size + // NOTE: the pixel size width may be zero + if (dc.GetCharHeight() <= pixelSize.GetHeight() && + (pixelSize.GetWidth() == 0 || + dc.GetCharWidth() <= pixelSize.GetWidth())) + { + largestGood = currentSize; + initialGoodFound = true; + } + else + { + smallestBad = currentSize; + initialBadFound = true; + } + if (!initialGoodFound) + { + currentSize /= 2; + } + else if (!initialBadFound) + { + currentSize *= 2; + } + else + { + int distance = smallestBad - largestGood; + if (distance == 1) + break; + + currentSize = largestGood + distance / 2; + } + + SetPointSize(currentSize); + } + + if (currentSize != largestGood) + SetPointSize(largestGood); +} + void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info) { #ifdef wxNO_NATIVE_FONTINFO @@ -262,6 +284,8 @@ void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info) wxString wxFontBase::GetNativeFontInfoDesc() const { + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); + wxString fontDesc; const wxNativeFontInfo *fontInfo = GetNativeFontInfo(); if ( fontInfo ) @@ -279,6 +303,8 @@ wxString wxFontBase::GetNativeFontInfoDesc() const wxString wxFontBase::GetNativeFontInfoUserDesc() const { + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); + wxString fontDesc; const wxNativeFontInfo *fontInfo = GetNativeFontInfo(); if ( fontInfo ) @@ -324,7 +350,7 @@ bool wxFontBase::operator==(const wxFont& font) const // have different ref datas but still describe the same font return IsSameAs(font) || ( - Ok() == font.Ok() && + IsOk() == font.IsOk() && GetPointSize() == font.GetPointSize() && // in wxGTK1 GetPixelSize() calls GetInternalFont() which uses // operator==() resulting in infinite recursion so we can't use it @@ -341,72 +367,111 @@ bool wxFontBase::operator==(const wxFont& font) const ); } -bool wxFontBase::operator!=(const wxFont& font) const -{ - return !(*this == font); -} - wxString wxFontBase::GetFamilyString() const { - wxCHECK_MSG( Ok(), wxT("wxDEFAULT"), wxT("invalid font") ); + wxCHECK_MSG( IsOk(), "wxFONTFAMILY_DEFAULT", "invalid font" ); switch ( GetFamily() ) { - case wxDECORATIVE: return wxT("wxDECORATIVE"); - case wxROMAN: return wxT("wxROMAN"); - case wxSCRIPT: return wxT("wxSCRIPT"); - case wxSWISS: return wxT("wxSWISS"); - case wxMODERN: return wxT("wxMODERN"); - case wxTELETYPE: return wxT("wxTELETYPE"); - default: return wxT("wxDEFAULT"); + case wxFONTFAMILY_DECORATIVE: return "wxFONTFAMILY_DECORATIVE"; + case wxFONTFAMILY_ROMAN: return "wxFONTFAMILY_ROMAN"; + case wxFONTFAMILY_SCRIPT: return "wxFONTFAMILY_SCRIPT"; + case wxFONTFAMILY_SWISS: return "wxFONTFAMILY_SWISS"; + case wxFONTFAMILY_MODERN: return "wxFONTFAMILY_MODERN"; + case wxFONTFAMILY_TELETYPE: return "wxFONTFAMILY_TELETYPE"; + case wxFONTFAMILY_UNKNOWN: return "wxFONTFAMILY_UNKNOWN"; + default: return "wxFONTFAMILY_DEFAULT"; } } wxString wxFontBase::GetStyleString() const { - wxCHECK_MSG( Ok(), wxT("wxDEFAULT"), wxT("invalid font") ); + wxCHECK_MSG( IsOk(), "wxFONTSTYLE_DEFAULT", "invalid font" ); switch ( GetStyle() ) { - case wxNORMAL: return wxT("wxNORMAL"); - case wxSLANT: return wxT("wxSLANT"); - case wxITALIC: return wxT("wxITALIC"); - default: return wxT("wxDEFAULT"); + case wxFONTSTYLE_NORMAL: return "wxFONTSTYLE_NORMAL"; + case wxFONTSTYLE_SLANT: return "wxFONTSTYLE_SLANT"; + case wxFONTSTYLE_ITALIC: return "wxFONTSTYLE_ITALIC"; + default: return "wxFONTSTYLE_DEFAULT"; } } wxString wxFontBase::GetWeightString() const { - wxCHECK_MSG( Ok(), wxT("wxDEFAULT"), wxT("invalid font") ); + wxCHECK_MSG( IsOk(), "wxFONTWEIGHT_DEFAULT", "invalid font" ); switch ( GetWeight() ) { - case wxNORMAL: return wxT("wxNORMAL"); - case wxBOLD: return wxT("wxBOLD"); - case wxLIGHT: return wxT("wxLIGHT"); - default: return wxT("wxDEFAULT"); + case wxFONTWEIGHT_NORMAL: return "wxFONTWEIGHT_NORMAL"; + case wxFONTWEIGHT_BOLD: return "wxFONTWEIGHT_BOLD"; + case wxFONTWEIGHT_LIGHT: return "wxFONTWEIGHT_LIGHT"; + default: return "wxFONTWEIGHT_DEFAULT"; } } -bool wxFontBase::SetFaceName(const wxString &facename) +bool wxFontBase::SetFaceName(const wxString& facename) { +#if wxUSE_FONTENUM if (!wxFontEnumerator::IsValidFacename(facename)) { - UnRef(); // make Ok() return false + UnRef(); // make IsOk() return false return false; } +#else // !wxUSE_FONTENUM + wxUnusedVar(facename); +#endif // wxUSE_FONTENUM/!wxUSE_FONTENUM return true; } +wxFont& wxFont::MakeBold() +{ + SetWeight(wxFONTWEIGHT_BOLD); + return *this; +} + +wxFont wxFont::Bold() const +{ + wxFont font(*this); + font.MakeBold(); + return font; +} + +wxFont& wxFont::MakeItalic() +{ + SetStyle(wxFONTSTYLE_ITALIC); + return *this; +} + +wxFont wxFont::Italic() const +{ + wxFont font(*this); + font.SetStyle(wxFONTSTYLE_ITALIC); + return font; +} + +wxFont& wxFont::Scale(float x) +{ + SetPointSize(int(x*GetPointSize() + 0.5)); + return *this; +} + +wxFont wxFont::Scaled(float x) const +{ + wxFont font(*this); + font.Scale(x); + return font; +} // ---------------------------------------------------------------------------- // wxNativeFontInfo // ---------------------------------------------------------------------------- // Up to now, there are no native implementations of this function: -void wxNativeFontInfo::SetFaceName(const wxArrayString &facenames) +void wxNativeFontInfo::SetFaceName(const wxArrayString& facenames) { +#if wxUSE_FONTENUM for (size_t i=0; i < facenames.GetCount(); i++) { if (wxFontEnumerator::IsValidFacename(facenames[i])) @@ -420,6 +485,9 @@ void wxNativeFontInfo::SetFaceName(const wxArrayString &facenames) wxString validfacename = wxFontEnumerator::GetFacenames().Item(0); wxLogTrace(wxT("font"), wxT("Falling back to '%s'"), validfacename.c_str()); SetFaceName(validfacename); +#else // !wxUSE_FONTENUM + SetFaceName(facenames[0]); +#endif // wxUSE_FONTENUM/!wxUSE_FONTENUM } @@ -434,7 +502,7 @@ bool wxNativeFontInfo::FromString(const wxString& s) { long l; - wxStringTokenizer tokenizer(s, _T(";")); + wxStringTokenizer tokenizer(s, wxT(";")); wxString token = tokenizer.GetNextToken(); // @@ -485,7 +553,7 @@ wxString wxNativeFontInfo::ToString() const { wxString s; - s.Printf(_T("%d;%d;%d;%d;%d;%d;%s;%d"), + s.Printf(wxT("%d;%d;%d;%d;%d;%d;%s;%d"), 0, // version pointSize, family, @@ -587,7 +655,7 @@ void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding_) // format there anyhow (but there is a well-defined standard for X11 fonts used // by wxGTK and wxMotif) -#if defined(wxNO_NATIVE_FONTINFO) || defined(__WXMSW__) || defined (__WXPM__) +#if defined(wxNO_NATIVE_FONTINFO) || defined(__WXMSW__) || defined (__WXPM__) || defined(__WXOSX__) wxString wxNativeFontInfo::ToUserString() const { @@ -603,7 +671,7 @@ wxString wxNativeFontInfo::ToUserString() const switch ( GetWeight() ) { default: - wxFAIL_MSG( _T("unknown font weight") ); + wxFAIL_MSG( wxT("unknown font weight") ); // fall through case wxFONTWEIGHT_NORMAL: @@ -621,7 +689,7 @@ wxString wxNativeFontInfo::ToUserString() const switch ( GetStyle() ) { default: - wxFAIL_MSG( _T("unknown font style") ); + wxFAIL_MSG( wxT("unknown font style") ); // fall through case wxFONTSTYLE_NORMAL: @@ -637,20 +705,74 @@ wxString wxNativeFontInfo::ToUserString() const wxString face = GetFaceName(); if ( !face.empty() ) { - desc << _T(' ') << face; + if (face.Contains(' ') || face.Contains(';') || face.Contains(',')) + { + face.Replace("'", ""); + // eventually remove quote characters: most systems do not + // allow them in a facename anyway so this usually does nothing + + // make it possible for FromUserString() function to understand + // that the different words which compose this facename are + // not different adjectives or other data but rather all parts + // of the facename + desc << wxT(" '") << face << _("'"); + } + else + desc << wxT(' ') << face; + } + else // no face name specified + { + // use the family + wxString familyStr; + switch ( GetFamily() ) + { + case wxFONTFAMILY_DECORATIVE: + familyStr = "decorative"; + break; + + case wxFONTFAMILY_ROMAN: + familyStr = "roman"; + break; + + case wxFONTFAMILY_SCRIPT: + familyStr = "script"; + break; + + case wxFONTFAMILY_SWISS: + familyStr = "swiss"; + break; + + case wxFONTFAMILY_MODERN: + familyStr = "modern"; + break; + + case wxFONTFAMILY_TELETYPE: + familyStr = "teletype"; + break; + + case wxFONTFAMILY_DEFAULT: + case wxFONTFAMILY_UNKNOWN: + break; + + default: + wxFAIL_MSG( "unknown font family" ); + } + + if ( !familyStr.empty() ) + desc << " '" << familyStr << " family'"; } int size = GetPointSize(); if ( size != wxNORMAL_FONT->GetPointSize() ) { - desc << _T(' ') << size; + desc << wxT(' ') << size; } #if wxUSE_FONTMAP wxFontEncoding enc = GetEncoding(); if ( enc != wxFONTENCODING_DEFAULT && enc != wxFONTENCODING_SYSTEM ) { - desc << _T(' ') << wxFontMapper::GetEncodingName(enc); + desc << wxT(' ') << wxFontMapper::GetEncodingName(enc); } #endif // wxUSE_FONTMAP @@ -662,10 +784,13 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // reset to the default state Init(); + // ToUserString() will quote the facename if it contains spaces, commas + // or semicolons: we must be able to understand that quoted text is + // a single token: + wxString toparse(s); + // parse a more or less free form string - // - // TODO: we should handle at least the quoted facenames - wxStringTokenizer tokenizer(s, _T(";, "), wxTOKEN_STRTOK); + wxStringTokenizer tokenizer(toparse, wxT(";, "), wxTOKEN_STRTOK); wxString face; unsigned long size; @@ -673,6 +798,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) #if wxUSE_FONTMAP bool encodingfound = false; #endif + bool insideQuotes = false; while ( tokenizer.HasMoreTokens() ) { @@ -680,23 +806,51 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // normalize it token.Trim(true).Trim(false).MakeLower(); + if (insideQuotes) + { + if (token.StartsWith("'") || + token.EndsWith("'")) + { + insideQuotes = false; + + // add this last token to the facename: + face += " " + token; + + // normalize facename: + face = face.Trim(true).Trim(false); + face.Replace("'", ""); + + continue; + } + } + else + { + if (token.StartsWith("'")) + insideQuotes = true; + } // look for the known tokens - if ( token == _T("underlined") || token == _("underlined") ) + if ( insideQuotes ) + { + // only the facename may be quoted: + face += " " + token; + continue; + } + if ( token == wxT("underlined") || token == _("underlined") ) { SetUnderlined(true); } - else if ( token == _T("light") || token == _("light") ) + else if ( token == wxT("light") || token == _("light") ) { SetWeight(wxFONTWEIGHT_LIGHT); weightfound = true; } - else if ( token == _T("bold") || token == _("bold") ) + else if ( token == wxT("bold") || token == _("bold") ) { SetWeight(wxFONTWEIGHT_BOLD); weightfound = true; } - else if ( token == _T("italic") || token == _("italic") ) + else if ( token == wxT("italic") || token == _("italic") ) { SetStyle(wxFONTSTYLE_ITALIC); } @@ -723,7 +877,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // assume it is the face name if ( !face.empty() ) { - face += _T(' '); + face += wxT(' '); } face += token; @@ -741,12 +895,40 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // bar") if ( !face.empty() ) { + wxString familyStr; + if ( face.EndsWith(" family", &familyStr) ) + { + // it's not a facename but rather a font family + wxFontFamily family; + if ( familyStr == "decorative" ) + family = wxFONTFAMILY_DECORATIVE; + else if ( familyStr == "roman" ) + family = wxFONTFAMILY_ROMAN; + else if ( familyStr == "script" ) + family = wxFONTFAMILY_SCRIPT; + else if ( familyStr == "swiss" ) + family = wxFONTFAMILY_SWISS; + else if ( familyStr == "modern" ) + family = wxFONTFAMILY_MODERN; + else if ( familyStr == "teletype" ) + family = wxFONTFAMILY_TELETYPE; + else + return false; + + SetFamily(family); + } // NB: the check on the facename is implemented in wxFontBase::SetFaceName // and not in wxNativeFontInfo::SetFaceName thus we need to explicitely // call here wxFontEnumerator::IsValidFacename - if (!wxFontEnumerator::IsValidFacename(face) || - !SetFaceName(face)) + else if ( +#if wxUSE_FONTENUM + !wxFontEnumerator::IsValidFacename(face) || +#endif // wxUSE_FONTENUM + !SetFaceName(face) ) + { SetFaceName(wxNORMAL_FONT->GetFaceName()); + } + face.clear(); } } @@ -757,9 +939,14 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // NB: the check on the facename is implemented in wxFontBase::SetFaceName // and not in wxNativeFontInfo::SetFaceName thus we need to explicitely // call here wxFontEnumerator::IsValidFacename - if (!wxFontEnumerator::IsValidFacename(face) || - !SetFaceName(face)) - SetFaceName(wxNORMAL_FONT->GetFaceName()); + if ( +#if wxUSE_FONTENUM + !wxFontEnumerator::IsValidFacename(face) || +#endif // wxUSE_FONTENUM + !SetFaceName(face) ) + { + SetFaceName(wxNORMAL_FONT->GetFaceName()); + } } // set point size to default value if size was not given @@ -780,3 +967,26 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) } #endif // generic or wxMSW or wxOS2 + + +// wxFont <-> wxString utilities, used by wxConfig +wxString wxToString(const wxFontBase& font) +{ + return font.IsOk() ? font.GetNativeFontInfoDesc() + : wxString(); +} + +bool wxFromString(const wxString& str, wxFontBase *font) +{ + wxCHECK_MSG( font, false, wxT("NULL output parameter") ); + + if ( str.empty() ) + { + *font = wxNullFont; + return true; + } + + return font->SetNativeFontInfo(str); +} + +