X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0c14b6c3241d48d9cc36a2fd0aeab0ba330d96de..ba8ac2c7c30f6a18ac1fae70162be008c3fc378d:/src/msw/font.cpp diff --git a/src/msw/font.cpp b/src/msw/font.cpp index 778f351b9c..d8d678fe8f 100644 --- a/src/msw/font.cpp +++ b/src/msw/font.cpp @@ -134,87 +134,66 @@ public: wxFontRefData(const wxFontRefData& data) : wxGDIRefData() { - if ( data.m_nativeFontInfoOk ) - { - Init(data.m_nativeFontInfo); - } - else - { - Init(data.m_pointSize, data.m_pixelSize, data.m_sizeUsingPixels, - data.m_family, data.m_style, data.m_weight, - data.m_underlined, data.m_faceName, data.m_encoding); - } + Init(data.m_nativeFontInfo); } virtual ~wxFontRefData(); // operations - bool Alloc(const wxFont *font); + bool Alloc(); void Free(); // all wxFont accessors int GetPointSize() const { - return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize() - : m_pointSize; + return m_nativeFontInfo.GetPointSize(); } wxSize GetPixelSize() const { - return m_nativeFontInfoOk ? m_nativeFontInfo.GetPixelSize() - : m_pixelSize; + return m_nativeFontInfo.GetPixelSize(); } bool IsUsingSizeInPixels() const { - return m_nativeFontInfoOk ? true : m_sizeUsingPixels; + return m_sizeUsingPixels; } - int GetFamily() const + wxFontFamily GetFamily() const { - return m_family; + return m_nativeFontInfo.GetFamily(); } - int GetStyle() const + wxFontStyle GetStyle() const { - return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle() - : m_style; + return m_nativeFontInfo.GetStyle(); } - int GetWeight() const + wxFontWeight GetWeight() const { - return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight() - : m_weight; + return m_nativeFontInfo.GetWeight(); } bool GetUnderlined() const { - return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined() - : m_underlined; + return m_nativeFontInfo.GetUnderlined(); } wxString GetFaceName() const { - wxString s; - if ( m_nativeFontInfoOk ) - s = m_nativeFontInfo.GetFaceName(); - else - s = m_faceName; - - return s; + return m_nativeFontInfo.GetFaceName(); } wxFontEncoding GetEncoding() const { - return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding() - : m_encoding; + return m_nativeFontInfo.GetEncoding(); } - WXHFONT GetHFONT(const wxFont *font) const + WXHFONT GetHFONT() const { if ( !m_hFont ) - const_cast(this)->Alloc(font); + const_cast(this)->Alloc(); return (WXHFONT)m_hFont; } @@ -231,93 +210,60 @@ public: { Free(); - if ( m_nativeFontInfoOk ) - { - m_nativeFontInfo.SetPointSize(pointSize); - } - else - { - m_pointSize = pointSize; - m_sizeUsingPixels = false; - } + m_nativeFontInfo.SetPointSize(pointSize); + m_sizeUsingPixels = false; } void SetPixelSize(const wxSize& pixelSize) { Free(); - if ( m_nativeFontInfoOk ) - { - m_nativeFontInfo.SetPixelSize(pixelSize); - } - else - { - m_pixelSize = pixelSize; - m_sizeUsingPixels = true; - } + m_nativeFontInfo.SetPixelSize(pixelSize); + m_sizeUsingPixels = true; } void SetFamily(wxFontFamily family) { Free(); - m_family = family; + m_nativeFontInfo.SetFamily(family); } void SetStyle(wxFontStyle style) { Free(); - if ( m_nativeFontInfoOk ) - m_nativeFontInfo.SetStyle((wxFontStyle)style); - else - m_style = style; + m_nativeFontInfo.SetStyle(style); } void SetWeight(wxFontWeight weight) { Free(); - if ( m_nativeFontInfoOk ) - m_nativeFontInfo.SetWeight((wxFontWeight)weight); - else - m_weight = weight; + m_nativeFontInfo.SetWeight(weight); } bool SetFaceName(const wxString& faceName) { Free(); - if ( m_nativeFontInfoOk ) - return m_nativeFontInfo.SetFaceName(faceName); - - m_faceName = faceName; - return true; + return m_nativeFontInfo.SetFaceName(faceName); } void SetUnderlined(bool underlined) { Free(); - if ( m_nativeFontInfoOk ) - m_nativeFontInfo.SetUnderlined(underlined); - else - m_underlined = underlined; + m_nativeFontInfo.SetUnderlined(underlined); } void SetEncoding(wxFontEncoding encoding) { Free(); - if ( m_nativeFontInfoOk ) - m_nativeFontInfo.SetEncoding(encoding); - else - m_encoding = encoding; + m_nativeFontInfo.SetEncoding(encoding); } - // native font info - bool HasNativeFontInfo() const { return m_nativeFontInfoOk; } - const wxNativeFontInfo& GetNativeFontInfo() const { return m_nativeFontInfo; } @@ -326,7 +272,6 @@ public: Free(); m_nativeFontInfo = nativeFontInfo; - m_nativeFontInfoOk = true; } protected: @@ -343,23 +288,14 @@ protected: void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0); - // font characteristics - int m_pointSize; - wxSize m_pixelSize; - bool m_sizeUsingPixels; - wxFontFamily m_family; - wxFontStyle m_style; - wxFontWeight m_weight; - bool m_underlined; - wxString m_faceName; - wxFontEncoding m_encoding; + // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size? + bool m_sizeUsingPixels; // Windows font handle, created on demand in GetHFONT() - HFONT m_hFont; + HFONT m_hFont; // Native font info wxNativeFontInfo m_nativeFontInfo; - bool m_nativeFontInfoOk; }; #define M_FONTDATA ((wxFontRefData*)m_refData) @@ -382,20 +318,26 @@ void wxFontRefData::Init(int pointSize, const wxString& faceName, wxFontEncoding encoding) { - m_style = style; - m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize; - m_pixelSize = pixelSize; - m_sizeUsingPixels = sizeUsingPixels; - m_family = family; - m_style = style; - m_weight = weight; - m_underlined = underlined; - m_faceName = faceName; - m_encoding = encoding; + m_hFont = NULL; - m_hFont = 0; - - m_nativeFontInfoOk = false; + m_sizeUsingPixels = sizeUsingPixels; + if ( m_sizeUsingPixels ) + SetPixelSize(pixelSize); + else + SetPointSize(pointSize); + + SetStyle(style); + SetWeight(weight); + SetUnderlined(underlined); + + // set the family/facename + SetFamily(family); + if ( !faceName.empty() ) + SetFaceName(faceName); + + // deal with encoding now (it may override the font family and facename + // so do it after setting them) + SetEncoding(encoding); } void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont) @@ -405,12 +347,9 @@ void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont) // (for example where we can't guarantee conversion from HFONT // to LOGFONT back to HFONT) m_hFont = (HFONT)hFont; - - m_nativeFontInfoOk = true; m_nativeFontInfo = info; - // This is the best we can do since we don't have the - // correct information at this point. - m_family = wxSWISS; + + // TODO: m_sizeUsingPixels? } wxFontRefData::~wxFontRefData() @@ -418,14 +357,8 @@ wxFontRefData::~wxFontRefData() Free(); } -bool wxFontRefData::Alloc(const wxFont *font) +bool wxFontRefData::Alloc() { - if ( !m_nativeFontInfoOk ) - { - wxFillLogFont(&m_nativeFontInfo.lf, font); - m_nativeFontInfoOk = true; - } - m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf); if ( !m_hFont ) { @@ -464,7 +397,7 @@ void wxNativeFontInfo::Init() #ifdef __WXWINCE__ lf.lfQuality = CLEARTYPE_QUALITY; #else - lf.lfQuality = wxSystemOptions::GetOptionInt(_T("msw.font.no-proof-quality")) + lf.lfQuality = wxSystemOptions::GetOptionInt("msw.font.no-proof-quality") ? DEFAULT_QUALITY : PROOF_QUALITY; #endif @@ -521,14 +454,14 @@ wxFontFamily wxNativeFontInfo::GetFamily() const // extract family from pitch-and-family switch ( lf.lfPitchAndFamily & ~PITCH_MASK ) { + case 0: + family = wxFONTFAMILY_UNKNOWN; + break; + case FF_ROMAN: family = wxFONTFAMILY_ROMAN; break; - default: - wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") ); - // fall through - case FF_SWISS: family = wxFONTFAMILY_SWISS; break; @@ -544,6 +477,11 @@ wxFontFamily wxNativeFontInfo::GetFamily() const case FF_DECORATIVE: family = wxFONTFAMILY_DECORATIVE; break; + + default: + wxFAIL_MSG( "unknown LOGFONT::lfFamily value" ); + family = wxFONTFAMILY_UNKNOWN; + // just to avoid a warning } return family; @@ -565,17 +503,22 @@ void wxNativeFontInfo::SetPointSize(int pointsize) void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize) { + // NOTE: although the MSW port allows for negative pixel size heights, + // other ports don't and since it's a very useful feature assert + // here if we get a negative height: + wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0, + "Negative values for the pixel size or zero pixel height are not allowed" ); + lf.lfHeight = pixelSize.GetHeight(); lf.lfWidth = pixelSize.GetWidth(); } - void wxNativeFontInfo::SetStyle(wxFontStyle style) { switch ( style ) { default: - wxFAIL_MSG( _T("unknown font style") ); + wxFAIL_MSG( "unknown font style" ); // fall through case wxFONTSTYLE_NORMAL: @@ -594,7 +537,7 @@ void wxNativeFontInfo::SetWeight(wxFontWeight weight) switch ( weight ) { default: - wxFAIL_MSG( _T("unknown font weight") ); + wxFAIL_MSG( "unknown font weight" ); // fall through case wxFONTWEIGHT_NORMAL: @@ -618,9 +561,7 @@ void wxNativeFontInfo::SetUnderlined(bool underlined) bool wxNativeFontInfo::SetFaceName(const wxString& facename) { - size_t len = WXSIZEOF(lf.lfFaceName); - wxStrncpy(lf.lfFaceName, facename, len); - lf.lfFaceName[len - 1] = '\0'; // truncate the face name + wxStrlcpy(lf.lfFaceName, facename.c_str(), WXSIZEOF(lf.lfFaceName)); return true; } @@ -634,51 +575,51 @@ void wxNativeFontInfo::SetFamily(wxFontFamily family) switch ( family ) { - case wxSCRIPT: + case wxFONTFAMILY_SCRIPT: ff_family = FF_SCRIPT; - facename.Add(_T("Script")); - facename.Add(_T("Brush Script MT")); - facename.Add(_T("Comic Sans MS")); - facename.Add(_T("Lucida Handwriting")); + facename.Add(wxS("Script")); + facename.Add(wxS("Brush Script MT")); + facename.Add(wxS("Comic Sans MS")); + facename.Add(wxS("Lucida Handwriting")); break; - case wxDECORATIVE: + case wxFONTFAMILY_DECORATIVE: ff_family = FF_DECORATIVE; - facename.Add(_T("Old English Text MT")); - facename.Add(_T("Comic Sans MS")); - facename.Add(_T("Lucida Handwriting")); + facename.Add(wxS("Old English Text MT")); + facename.Add(wxS("Comic Sans MS")); + facename.Add(wxS("Lucida Handwriting")); break; - case wxROMAN: + case wxFONTFAMILY_ROMAN: ff_family = FF_ROMAN; - facename.Add(_T("Times New Roman")); - facename.Add(_T("Georgia")); - facename.Add(_T("Garamond")); - facename.Add(_T("Bookman Old Style")); - facename.Add(_T("Book Antiqua")); + facename.Add(wxS("Times New Roman")); + facename.Add(wxS("Georgia")); + facename.Add(wxS("Garamond")); + facename.Add(wxS("Bookman Old Style")); + facename.Add(wxS("Book Antiqua")); break; - case wxTELETYPE: - case wxMODERN: + case wxFONTFAMILY_TELETYPE: + case wxFONTFAMILY_MODERN: ff_family = FF_MODERN; - facename.Add(_T("Courier New")); - facename.Add(_T("Lucida Console")); - facename.Add(_T("Andale Mono")); - facename.Add(_T("OCR A Extended")); - facename.Add(_T("Terminal")); + facename.Add(wxS("Courier New")); + facename.Add(wxS("Lucida Console")); + facename.Add(wxS("Andale Mono")); + facename.Add(wxS("OCR A Extended")); + facename.Add(wxS("Terminal")); break; - case wxSWISS: + case wxFONTFAMILY_SWISS: ff_family = FF_SWISS; - facename.Add(_T("Arial")); - facename.Add(_T("Century Gothic")); - facename.Add(_T("Lucida Sans Unicode")); - facename.Add(_T("Tahoma")); - facename.Add(_T("Trebuchet MS")); - facename.Add(_T("Verdana")); + facename.Add(wxS("Arial")); + facename.Add(wxS("Century Gothic")); + facename.Add(wxS("Lucida Sans Unicode")); + facename.Add(wxS("Tahoma")); + facename.Add(wxS("Trebuchet MS")); + facename.Add(wxS("Verdana")); break; - case wxDEFAULT: + case wxFONTFAMILY_DEFAULT: default: { // We want Windows 2000 or later to have new fonts even MS Shell Dlg @@ -686,9 +627,9 @@ void wxNativeFontInfo::SetFamily(wxFontFamily family) int verMaj; ff_family = FF_SWISS; if(wxGetOsVersion(&verMaj) == wxOS_WINDOWS_NT && verMaj >= 5) - facename.Add(_T("MS Shell Dlg 2")); + facename.Add(wxS("MS Shell Dlg 2")); else - facename.Add(_T("MS Shell Dlg")); + facename.Add(wxS("MS Shell Dlg")); // Quoting the MSDN: // "MS Shell Dlg is a mapping mechanism that enables @@ -700,10 +641,9 @@ void wxNativeFontInfo::SetFamily(wxFontFamily family) lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family; - if ( !wxStrlen(lf.lfFaceName) ) - { - SetFaceName(facename); - } + // reset the facename so that CreateFontIndirect() will automatically choose a + // face name based only on the font family. + lf.lfFaceName[0] = '\0'; } void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding) @@ -737,11 +677,11 @@ bool wxNativeFontInfo::FromString(const wxString& s) { long l; - wxStringTokenizer tokenizer(s, _T(";")); + wxStringTokenizer tokenizer(s, wxS(";"), wxTOKEN_RET_EMPTY_ALL); // first the version wxString token = tokenizer.GetNextToken(); - if ( token != _T('0') ) + if ( token != wxS('0') ) return false; token = tokenizer.GetNextToken(); @@ -809,10 +749,11 @@ bool wxNativeFontInfo::FromString(const wxString& s) return false; lf.lfPitchAndFamily = (BYTE)l; - token = tokenizer.GetNextToken(); - if(!token) + if ( !tokenizer.HasMoreTokens() ) return false; - wxStrcpy(lf.lfFaceName, token.c_str()); + + // the face name may be empty + wxStrcpy(lf.lfFaceName, tokenizer.GetNextToken()); return true; } @@ -821,7 +762,7 @@ wxString wxNativeFontInfo::ToString() const { wxString s; - s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"), + s.Printf(wxS("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"), 0, // version, in case we want to change the format later lf.lfHeight, lf.lfWidth, @@ -836,7 +777,7 @@ wxString wxNativeFontInfo::ToString() const lf.lfClipPrecision, lf.lfQuality, lf.lfPitchAndFamily, - (const wxChar*)lf.lfFaceName); + lf.lfFaceName); return s; } @@ -845,6 +786,13 @@ wxString wxNativeFontInfo::ToString() const // wxFont // ---------------------------------------------------------------------------- +wxFont::wxFont(const wxString& fontdesc) +{ + wxNativeFontInfo info; + if ( info.FromString(fontdesc) ) + (void)Create(info); +} + bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont) { UnRef(); @@ -854,13 +802,6 @@ bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont) return RealizeResource(); } -wxFont::wxFont(const wxString& fontdesc) -{ - wxNativeFontInfo info; - if ( info.FromString(fontdesc) ) - (void)Create(info); -} - bool wxFont::DoCreate(int pointSize, const wxSize& pixelSize, bool sizeUsingPixels, @@ -907,16 +848,15 @@ wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const bool wxFont::RealizeResource() { - // don't do anything if we already have a valid font - if ( GetHFONT() ) - return true; - - return M_FONTDATA->Alloc(this); + // NOTE: the GetHFONT() call automatically triggers a reallocation of + // the HFONT if necessary (will do nothing if we already have the resource); + // it returns NULL only if there is a failure in wxFontRefData::Alloc()... + return GetHFONT() != NULL; } bool wxFont::FreeResource(bool WXUNUSED(force)) { - if ( !GetHFONT() ) + if ( !M_FONTDATA ) return false; M_FONTDATA->Free(); @@ -931,7 +871,9 @@ WXHANDLE wxFont::GetResourceHandle() const WXHFONT wxFont::GetHFONT() const { - return M_FONTDATA ? M_FONTDATA->GetHFONT(this) : 0; + // NOTE: wxFontRefData::GetHFONT() will automatically call + // wxFontRefData::Alloc() if necessary + return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0; } bool wxFont::IsFree() const @@ -1023,102 +965,98 @@ void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info) int wxFont::GetPointSize() const { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), 0, wxT("invalid font") ); return M_FONTDATA->GetPointSize(); } wxSize wxFont::GetPixelSize() const { - wxCHECK_MSG( Ok(), wxDefaultSize, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxDefaultSize, wxT("invalid font") ); return M_FONTDATA->GetPixelSize(); } bool wxFont::IsUsingSizeInPixels() const { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), 0, wxT("invalid font") ); return M_FONTDATA->IsUsingSizeInPixels(); } wxFontFamily wxFont::GetFamily() const { - wxCHECK_MSG( Ok(), wxFONTFAMILY_MAX, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") ); return M_FONTDATA->GetFamily(); } wxFontStyle wxFont::GetStyle() const { - wxCHECK_MSG( Ok(), wxFONTSTYLE_MAX, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") ); return M_FONTDATA->GetStyle(); } wxFontWeight wxFont::GetWeight() const { - wxCHECK_MSG( Ok(), wxFONTWEIGHT_MAX, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") ); return M_FONTDATA->GetWeight(); } bool wxFont::GetUnderlined() const { - wxCHECK_MSG( Ok(), false, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), false, wxT("invalid font") ); return M_FONTDATA->GetUnderlined(); } wxString wxFont::GetFaceName() const { - wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); return M_FONTDATA->GetFaceName(); } wxFontEncoding wxFont::GetEncoding() const { - wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); return M_FONTDATA->GetEncoding(); } const wxNativeFontInfo *wxFont::GetNativeFontInfo() const { - return Ok() && M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo()) - : NULL; + return IsOk() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL; } wxString wxFont::GetNativeFontInfoDesc() const { - wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); // be sure we have an HFONT associated... - wxConstCast(this, wxFont)->RealizeResource(); + const_cast(this)->RealizeResource(); return wxFontBase::GetNativeFontInfoDesc(); } wxString wxFont::GetNativeFontInfoUserDesc() const { - wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") ); // be sure we have an HFONT associated... - wxConstCast(this, wxFont)->RealizeResource(); + const_cast(this)->RealizeResource(); return wxFontBase::GetNativeFontInfoUserDesc(); } bool wxFont::IsFixedWidth() const { - if ( M_FONTDATA->HasNativeFontInfo() ) - { - // the two low-order bits specify the pitch of the font, the rest is - // family - BYTE pitch = - (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK); + wxCHECK_MSG( IsOk(), false, wxT("invalid font") ); - return pitch == FIXED_PITCH; - } + // the two low-order bits specify the pitch of the font, the rest is + // family + BYTE pitch = + (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK); - return wxFontBase::IsFixedWidth(); + return pitch == FIXED_PITCH; }