X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0eb529d9e47f2591e5f49c1ba45c587341ce569e..dc5d118e65603773263040afdf2c97633869e4ca:/src/common/fontcmn.cpp diff --git a/src/common/fontcmn.cpp b/src/common/fontcmn.cpp index b8a4497f8b..52936bfbe1 100644 --- a/src/common/fontcmn.cpp +++ b/src/common/fontcmn.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/fontcmn.cpp +// Name: src/common/fontcmn.cpp // Purpose: implementation of wxFontBase methods // Author: Vadim Zeitlin // Modified by: // Created: 20.09.99 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team -// Licence: wxWindows license +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,28 +17,115 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ -#pragma implementation "fontbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WX_PRECOMP #include "wx/font.h" -#include "wx/intl.h" + +#ifndef WX_PRECOMP + #include "wx/dc.h" + #include "wx/intl.h" + #include "wx/math.h" + #include "wx/dcscreen.h" + #include "wx/log.h" + #include "wx/gdicmn.h" #endif // WX_PRECOMP -#include "wx/gdicmn.h" +#if defined(__WXMSW__) + #include "wx/msw/private.h" // includes windows.h for LOGFONT + #include "wx/msw/winundef.h" +#endif + #include "wx/fontutil.h" // for wxNativeFontInfo #include "wx/fontmap.h" +#include "wx/fontenum.h" #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; +} + +// ---------------------------------------------------------------------------- +// XTI +// ---------------------------------------------------------------------------- + +wxBEGIN_ENUM( wxFontFamily ) +wxENUM_MEMBER( wxFONTFAMILY_DEFAULT ) +wxENUM_MEMBER( wxFONTFAMILY_DECORATIVE ) +wxENUM_MEMBER( wxFONTFAMILY_ROMAN ) +wxENUM_MEMBER( wxFONTFAMILY_SCRIPT ) +wxENUM_MEMBER( wxFONTFAMILY_SWISS ) +wxENUM_MEMBER( wxFONTFAMILY_MODERN ) +wxENUM_MEMBER( wxFONTFAMILY_TELETYPE ) +wxEND_ENUM( wxFontFamily ) + +wxBEGIN_ENUM( wxFontStyle ) +wxENUM_MEMBER( wxFONTSTYLE_NORMAL ) +wxENUM_MEMBER( wxFONTSTYLE_ITALIC ) +wxENUM_MEMBER( wxFONTSTYLE_SLANT ) +wxEND_ENUM( wxFontStyle ) + +wxBEGIN_ENUM( wxFontWeight ) +wxENUM_MEMBER( wxFONTWEIGHT_NORMAL ) +wxENUM_MEMBER( wxFONTWEIGHT_LIGHT ) +wxENUM_MEMBER( wxFONTWEIGHT_BOLD ) +wxEND_ENUM( wxFontWeight ) + +wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject, "wx/font.h") + +//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl) + +wxBEGIN_PROPERTIES_TABLE(wxFont) +wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) +wxPROPERTY( Family, wxFontFamily , SetFamily, GetFamily, (wxFontFamily)wxDEFAULT, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) // wxFontFamily +wxPROPERTY( Style, wxFontStyle, SetStyle, GetStyle, (wxFontStyle)wxNORMAL, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) // wxFontStyle +wxPROPERTY( Weight, wxFontWeight, SetWeight, GetWeight, (wxFontWeight)wxNORMAL, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) // wxFontWeight +wxPROPERTY( Underlined, bool, SetUnderlined, GetUnderlined, false, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) +wxPROPERTY( Strikethrough, bool, SetStrikethrough, GetStrikethrough, false, 0, \ + wxT("Helpstring"), wxT("group")) +wxPROPERTY( Face, wxString, SetFaceName, GetFaceName, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) +wxPROPERTY( Encoding, wxFontEncoding, SetEncoding, GetEncoding, \ + wxFONTENCODING_DEFAULT, 0 /*flags*/, wxT("Helpstring"), wxT("group")) +wxEND_PROPERTIES_TABLE() + +wxCONSTRUCTOR_6( wxFont, int, Size, wxFontFamily, Family, wxFontStyle, Style, wxFontWeight, Weight, \ + bool, Underlined, wxString, Face ) + +wxEMPTY_HANDLERS_TABLE(wxFont) + // ============================================================================ // implementation // ============================================================================ @@ -49,6 +136,17 @@ wxFontEncoding wxFontBase::ms_encodingDefault = wxFONTENCODING_SYSTEM; +/* static */ +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, + wxT("can't set default encoding to wxFONTENCODING_DEFAULT") ); + + ms_encodingDefault = encoding; +} + wxFontBase::~wxFontBase() { // this destructor is required for Darwin @@ -56,9 +154,9 @@ 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) @@ -66,6 +164,47 @@ wxFont *wxFontBase::New(int size, return new wxFont(size, family, style, weight, underlined, face, encoding); } +/* static */ +wxFont *wxFontBase::New(const wxSize& pixelSize, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, + bool underlined, + const wxString& face, + wxFontEncoding encoding) +{ + return new wxFont(pixelSize, family, style, weight, underlined, + face, encoding); +} + +/* static */ +wxFont *wxFontBase::New(int pointSize, + wxFontFamily family, + int flags, + const wxString& face, + wxFontEncoding encoding) +{ + return New(pointSize, family, + GetStyleFromFlags(flags), + GetWeightFromFlags(flags), + GetUnderlinedFromFlags(flags), + face, encoding); +} + +/* static */ +wxFont *wxFontBase::New(const wxSize& pixelSize, + wxFontFamily family, + int flags, + const wxString& face, + wxFontEncoding encoding) +{ + return New(pixelSize, family, + GetStyleFromFlags(flags), + GetWeightFromFlags(flags), + GetUnderlinedFromFlags(flags), + face, encoding); +} + /* static */ wxFont *wxFontBase::New(const wxNativeFontInfo& info) { @@ -82,26 +221,87 @@ wxFont *wxFontBase::New(const wxString& strNativeFontDesc) return New(fontInfo); } -wxNativeFontInfo *wxFontBase::GetNativeFontInfo() const +bool wxFontBase::IsFixedWidth() const { -#ifdef wxNO_NATIVE_FONTINFO - wxNativeFontInfo *fontInfo = new wxNativeFontInfo(); + return GetFamily() == wxFONTFAMILY_TELETYPE; +} - fontInfo->SetPointSize(GetPointSize()); - fontInfo->SetFamily((wxFontFamily)GetFamily()); - fontInfo->SetStyle((wxFontStyle)GetStyle()); - fontInfo->SetWeight((wxFontWeight)GetWeight()); - fontInfo->SetUnderlined(GetUnderlined()); - fontInfo->SetFaceName(GetFaceName()); - fontInfo->SetEncoding(GetEncoding()); +wxSize wxFontBase::GetPixelSize() const +{ + wxScreenDC dc; + dc.SetFont(*(wxFont *)this); + return wxSize(dc.GetCharWidth(), dc.GetCharHeight()); +} - return fontInfo; -#else - return (wxNativeFontInfo *)NULL; -#endif +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::SetNativeFontInfo(const wxNativeFontInfo& info) +void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info) { #ifdef wxNO_NATIVE_FONTINFO SetPointSize(info.pointSize); @@ -109,6 +309,7 @@ void wxFontBase::SetNativeFontInfo(const wxNativeFontInfo& info) SetStyle(info.style); SetWeight(info.weight); SetUnderlined(info.underlined); + SetStrikethrough(info.strikethrough); SetFaceName(info.faceName); SetEncoding(info.encoding); #else @@ -118,12 +319,18 @@ void wxFontBase::SetNativeFontInfo(const wxNativeFontInfo& info) wxString wxFontBase::GetNativeFontInfoDesc() const { + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); + wxString fontDesc; - wxNativeFontInfo *fontInfo = GetNativeFontInfo(); + const wxNativeFontInfo *fontInfo = GetNativeFontInfo(); if ( fontInfo ) { fontDesc = fontInfo->ToString(); - delete fontInfo; + wxASSERT_MSG(!fontDesc.empty(), wxT("This should be a non-empty string!")); + } + else + { + wxFAIL_MSG(wxT("Derived class should have created the wxNativeFontInfo!")); } return fontDesc; @@ -131,177 +338,339 @@ wxString wxFontBase::GetNativeFontInfoDesc() const wxString wxFontBase::GetNativeFontInfoUserDesc() const { + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); + wxString fontDesc; - wxNativeFontInfo *fontInfo = GetNativeFontInfo(); + const wxNativeFontInfo *fontInfo = GetNativeFontInfo(); if ( fontInfo ) { fontDesc = fontInfo->ToUserString(); - delete fontInfo; + wxASSERT_MSG(!fontDesc.empty(), wxT("This should be a non-empty string!")); + } + else + { + wxFAIL_MSG(wxT("Derived class should have created the wxNativeFontInfo!")); } return fontDesc; } -void wxFontBase::SetNativeFontInfo(const wxString& info) +bool wxFontBase::SetNativeFontInfo(const wxString& info) { wxNativeFontInfo fontInfo; if ( !info.empty() && fontInfo.FromString(info) ) { SetNativeFontInfo(fontInfo); + return true; } + + return false; } -void wxFontBase::SetNativeFontInfoUserDesc(const wxString& info) +bool wxFontBase::SetNativeFontInfoUserDesc(const wxString& info) { wxNativeFontInfo fontInfo; if ( !info.empty() && fontInfo.FromUserString(info) ) { SetNativeFontInfo(fontInfo); + return true; } -} - -wxFont& wxFont::operator=(const wxFont& font) -{ - if ( this != &font ) - Ref(font); - return (wxFont &)*this; + return false; } bool wxFontBase::operator==(const wxFont& font) const { // either it is the same font, i.e. they share the same common data or they // have different ref datas but still describe the same font - return GetFontData() == font.GetFontData() || + 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 + // in that port +#if !defined(__WXGTK__) || defined(__WXGTK20__) + GetPixelSize() == font.GetPixelSize() && +#endif GetFamily() == font.GetFamily() && GetStyle() == font.GetStyle() && GetWeight() == font.GetWeight() && GetUnderlined() == font.GetUnderlined() && - GetFaceName() == font.GetFaceName() && + GetStrikethrough() == font.GetStrikethrough() && + GetFaceName().IsSameAs(font.GetFaceName(), false) && GetEncoding() == font.GetEncoding() ); } -bool wxFontBase::operator!=(const wxFont& font) const +wxFontFamily wxFontBase::GetFamily() const { - return !(*this == font); + wxCHECK_MSG( IsOk(), wxFONTFAMILY_UNKNOWN, wxS("invalid font") ); + + // Don't return wxFONTFAMILY_UNKNOWN from here because it prevents the code + // like wxFont(size, wxNORMAL_FONT->GetFamily(), ...) from working (see + // #12330). This is really just a hack but it allows to keep compatibility + // and doesn't really have any bad drawbacks so do this until someone comes + // up with a better idea. + const wxFontFamily family = DoGetFamily(); + + return family == wxFONTFAMILY_UNKNOWN ? wxFONTFAMILY_DEFAULT : family; } 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) +{ +#if wxUSE_FONTENUM + if (!wxFontEnumerator::IsValidFacename(facename)) + { + UnRef(); // make IsOk() return false + return false; } +#else // !wxUSE_FONTENUM + wxUnusedVar(facename); +#endif // wxUSE_FONTENUM/!wxUSE_FONTENUM + + return true; +} + +void wxFontBase::SetSymbolicSize(wxFontSymbolicSize size) +{ + SetSymbolicSizeRelativeTo(size, wxNORMAL_FONT->GetPointSize()); +} + +/* static */ +int wxFontBase::AdjustToSymbolicSize(wxFontSymbolicSize size, int base) +{ + // Using a fixed factor (1.2, from CSS2) is a bad idea as explained at + // http://www.w3.org/TR/CSS21/fonts.html#font-size-props so use the values + // from http://style.cleverchimp.com/font_size_intervals/altintervals.html + // instead. + static const float factors[] = { 0.60f, 0.75f, 0.89f, 1.f, 1.2f, 1.5f, 2.f }; + + wxCOMPILE_TIME_ASSERT + ( + WXSIZEOF(factors) == wxFONTSIZE_XX_LARGE - wxFONTSIZE_XX_SMALL + 1, + WrongFontSizeFactorsSize + ); + + return wxRound(factors[size - wxFONTSIZE_XX_SMALL]*base); +} + +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.MakeItalic(); + return font; +} + +wxFont& wxFont::MakeUnderlined() +{ + SetUnderlined(true); + return *this; +} + +wxFont wxFont::Underlined() const +{ + wxFont font(*this); + font.MakeUnderlined(); + return font; +} + +wxFont wxFont::Strikethrough() const +{ + wxFont font(*this); + font.MakeStrikethrough(); + return font; +} + +wxFont& wxFont::MakeStrikethrough() +{ + SetStrikethrough(true); + return *this; +} + +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) +{ +#if wxUSE_FONTENUM + for (size_t i=0; i < facenames.GetCount(); i++) + { + if (wxFontEnumerator::IsValidFacename(facenames[i])) + { + SetFaceName(facenames[i]); + return; + } + } + + // set the first valid facename we can find on this system + 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 +} + + #ifdef wxNO_NATIVE_FONTINFO // These are the generic forms of FromString()/ToString. // -// convert to/from the string representation: format is -// version;pointsize;family;style;weight;underlined;facename;encoding +// convert to/from the string representation: the general format is +// "version;the rest..." with currently defined versions being: +// +// 0;pointsize;family;style;weight;underlined;facename;encoding +// 1;pointsize;family;style;weight;underlined;strikethrough;facename;encoding bool wxNativeFontInfo::FromString(const wxString& s) { long l; + unsigned long version; - wxStringTokenizer tokenizer(s, _T(";")); + wxStringTokenizer tokenizer(s, wxT(";")); wxString token = tokenizer.GetNextToken(); - // - // Ignore the version for now - // + if ( !token.ToULong(&version) || version > 1 ) + return false; token = tokenizer.GetNextToken(); if ( !token.ToLong(&l) ) - return FALSE; + return false; pointSize = (int)l; token = tokenizer.GetNextToken(); if ( !token.ToLong(&l) ) - return FALSE; + return false; family = (wxFontFamily)l; token = tokenizer.GetNextToken(); if ( !token.ToLong(&l) ) - return FALSE; + return false; style = (wxFontStyle)l; token = tokenizer.GetNextToken(); if ( !token.ToLong(&l) ) - return FALSE; + return false; weight = (wxFontWeight)l; token = tokenizer.GetNextToken(); if ( !token.ToLong(&l) ) - return FALSE; + return false; underlined = l != 0; + if ( version == 1 ) + { + token = tokenizer.GetNextToken(); + if ( !token.ToLong(&l) ) + return false; + strikethrough = l != 0; + } + faceName = tokenizer.GetNextToken(); + +#ifndef __WXMAC__ if( !faceName ) - return FALSE; + return false; +#endif token = tokenizer.GetNextToken(); if ( !token.ToLong(&l) ) - return FALSE; + return false; encoding = (wxFontEncoding)l; - return TRUE; + return true; } wxString wxNativeFontInfo::ToString() const { wxString s; - s.Printf(_T("%d;%d;%d;%d;%d;%d;%s;%d"), - 0, // version + s.Printf(wxT("%d;%d;%d;%d;%d;%d;%d;%s;%d"), + 1, // version pointSize, family, (int)style, (int)weight, underlined, + strikethrough, faceName.GetData(), (int)encoding); @@ -310,11 +679,12 @@ wxString wxNativeFontInfo::ToString() const void wxNativeFontInfo::Init() { - pointSize = wxNORMAL_FONT->GetPointSize(); + pointSize = 0; family = wxFONTFAMILY_DEFAULT; style = wxFONTSTYLE_NORMAL; weight = wxFONTWEIGHT_NORMAL; - underlined = FALSE; + underlined = false; + strikethrough = false; faceName.clear(); encoding = wxFONTENCODING_DEFAULT; } @@ -339,6 +709,11 @@ bool wxNativeFontInfo::GetUnderlined() const return underlined; } +bool wxNativeFontInfo::GetStrikethrough() const +{ + return strikethrough; +} + wxString wxNativeFontInfo::GetFaceName() const { return faceName; @@ -374,9 +749,15 @@ void wxNativeFontInfo::SetUnderlined(bool underlined_) underlined = underlined_; } -void wxNativeFontInfo::SetFaceName(wxString facename_) +void wxNativeFontInfo::SetStrikethrough(bool strikethrough_) +{ + strikethrough = strikethrough_; +} + +bool wxNativeFontInfo::SetFaceName(const wxString& facename_) { faceName = facename_; + return true; } void wxNativeFontInfo::SetFamily(wxFontFamily family_) @@ -396,7 +777,7 @@ 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 { @@ -406,31 +787,36 @@ wxString wxNativeFontInfo::ToUserString() const // but what else can we do? if ( GetUnderlined() ) { - desc << _("underlined "); + desc << _("underlined"); + } + + if ( GetStrikethrough() ) + { + desc << _("strikethrough"); } switch ( GetWeight() ) { default: - wxFAIL_MSG( _T("unknown font weight") ); + wxFAIL_MSG( wxT("unknown font weight") ); // fall through case wxFONTWEIGHT_NORMAL: break; case wxFONTWEIGHT_LIGHT: - desc << _("light "); + desc << _(" light"); break; case wxFONTWEIGHT_BOLD: - desc << _("bold "); + desc << _(" bold"); break; } switch ( GetStyle() ) { default: - wxFAIL_MSG( _T("unknown font style") ); + wxFAIL_MSG( wxT("unknown font style") ); // fall through case wxFONTSTYLE_NORMAL: @@ -439,31 +825,85 @@ wxString wxNativeFontInfo::ToUserString() const // we don't distinguish between the two for now anyhow... case wxFONTSTYLE_ITALIC: case wxFONTSTYLE_SLANT: - desc << _("italic"); + desc << _(" italic"); break; } 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(' ') << wxTheFontMapper->GetEncodingName(enc); + desc << wxT(' ') << wxFontMapper::GetEncodingName(enc); } #endif // wxUSE_FONTMAP - return desc; + return desc.Strip(wxString::both).MakeLower(); } bool wxNativeFontInfo::FromUserString(const wxString& s) @@ -471,64 +911,114 @@ 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; - + bool weightfound = false, pointsizefound = false; #if wxUSE_FONTMAP - wxFontEncoding encoding; -#endif // wxUSE_FONTMAP + bool encodingfound = false; +#endif + bool insideQuotes = false; while ( tokenizer.HasMoreTokens() ) { wxString token = tokenizer.GetNextToken(); // normalize it - token.Trim(TRUE).Trim(FALSE).MakeLower(); + 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 == wxT("strikethrough") || token == _("strikethrough") ) { - SetUnderlined(TRUE); + SetStrikethrough(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); } else if ( token.ToULong(&size) ) { SetPointSize(size); + pointsizefound = true; } + else + { #if wxUSE_FONTMAP - else if ( (encoding = wxTheFontMapper->CharsetToEncoding(token, FALSE)) - != wxFONTENCODING_DEFAULT ) + // try to interpret this as an encoding + wxFontEncoding encoding = wxFontMapper::Get()->CharsetToEncoding(token, false); + if ( encoding != wxFONTENCODING_DEFAULT && + encoding != wxFONTENCODING_SYSTEM ) // returned when the recognition failed { SetEncoding(encoding); + encodingfound = true; } -#endif // wxUSE_FONTMAP - else // assume it is the face name + else { +#endif // wxUSE_FONTMAP + + // assume it is the face name if ( !face.empty() ) { - face += _T(' '); + face += wxT(' '); } face += token; // skip the code which resets face below continue; + +#if wxUSE_FONTMAP + } +#endif // wxUSE_FONTMAP } // if we had had the facename, we shouldn't continue appending tokens @@ -536,7 +1026,40 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // bar") if ( !face.empty() ) { - SetFaceName(face); + 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 explicitly + // call here wxFontEnumerator::IsValidFacename + else if ( +#if wxUSE_FONTENUM + !wxFontEnumerator::IsValidFacename(face) || +#endif // wxUSE_FONTENUM + !SetFaceName(face) ) + { + SetFaceName(wxNORMAL_FONT->GetFaceName()); + } + face.clear(); } } @@ -544,11 +1067,57 @@ bool wxNativeFontInfo::FromUserString(const wxString& s) // we might not have flushed it inside the loop if ( !face.empty() ) { - SetFaceName(face); + // NB: the check on the facename is implemented in wxFontBase::SetFaceName + // and not in wxNativeFontInfo::SetFaceName thus we need to explicitly + // call here wxFontEnumerator::IsValidFacename + if ( +#if wxUSE_FONTENUM + !wxFontEnumerator::IsValidFacename(face) || +#endif // wxUSE_FONTENUM + !SetFaceName(face) ) + { + SetFaceName(wxNORMAL_FONT->GetFaceName()); + } } - return TRUE; + // set point size to default value if size was not given + if ( !pointsizefound ) + SetPointSize(wxNORMAL_FONT->GetPointSize()); + + // set font weight to default value if weight was not given + if ( !weightfound ) + SetWeight(wxFONTWEIGHT_NORMAL); + +#if wxUSE_FONTMAP + // set font encoding to default value if encoding was not given + if ( !encodingfound ) + SetEncoding(wxFONTENCODING_SYSTEM); +#endif // wxUSE_FONTMAP + + return true; } #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); +} + +