X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fc9361e3ec5b81a7e8c32d93a03aea0b2cd3e045..d7928233956f3c56fd402e0e496f7da238510b61:/src/common/fontcmn.cpp diff --git a/src/common/fontcmn.cpp b/src/common/fontcmn.cpp index 8a9063f5b3..4fec636180 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 + ? _T("normal") + : weight == wxFONTWEIGHT_BOLD + ? _T("bold") + : _T("light"), + font->GetStyle() == wxFONTSTYLE_NORMAL + ? _T("regular") + : _T("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; } // ---------------------------------------------------------------------------- @@ -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 @@ -324,7 +346,7 @@ 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 @@ -341,50 +363,45 @@ 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"; + 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"; } } @@ -393,7 +410,7 @@ 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 @@ -595,7 +612,7 @@ 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 { @@ -645,7 +662,20 @@ 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 << _T(" '") << face << _("'"); + } + else + desc << _T(' ') << face; } int size = GetPointSize(); @@ -670,10 +700,20 @@ 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); + /* + wxString::iterator i = toparse.find("'"); + if (i != wxString::npos) + { + for (; *i != '\'' && *i != toparse.end(); i++) + ; + }*/ + // 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, _T(";, "), wxTOKEN_STRTOK); wxString face; unsigned long size; @@ -681,6 +721,7 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) #if wxUSE_FONTMAP bool encodingfound = false; #endif + bool insideQuotes = false; while ( tokenizer.HasMoreTokens() ) { @@ -688,8 +729,36 @@ 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 ( insideQuotes ) + { + // only the facename may be quoted: + face += " " + token; + continue; + } if ( token == _T("underlined") || token == _("underlined") ) { SetUnderlined(true);