X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/85ab460e7d62b52b105b3dc0bbdd36cebc14fb4b..43c5b6e808f083617eb42cb48e77366844f8fb5c:/src/msw/font.cpp diff --git a/src/msw/font.cpp b/src/msw/font.cpp index 308a36e837..c0ae868c0a 100644 --- a/src/msw/font.cpp +++ b/src/msw/font.cpp @@ -24,11 +24,12 @@ #pragma hdrstop #endif +#include "wx/font.h" + #ifndef WX_PRECOMP #include "wx/list.h" #include "wx/utils.h" #include "wx/app.h" - #include "wx/font.h" #include "wx/log.h" #include "wx/encinfo.h" #endif // WX_PRECOMP @@ -38,6 +39,10 @@ #include "wx/fontutil.h" #include "wx/fontmap.h" +#ifndef __WXWINCE__ + #include "wx/sysopt.h" +#endif + #include "wx/tokenzr.h" #if wxUSE_EXTENDED_RTTI @@ -111,9 +116,9 @@ public: wxFontRefData(int size, const wxSize& pixelSize, bool sizeUsingPixels, - int family, - int style, - int weight, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, bool underlined, const wxString& faceName, wxFontEncoding encoding) @@ -144,7 +149,7 @@ public: virtual ~wxFontRefData(); // operations - bool Alloc(wxFont *font); + bool Alloc(const wxFont *font); void Free(); @@ -166,18 +171,18 @@ public: return m_nativeFontInfoOk ? true : m_sizeUsingPixels; } - int GetFamily() const + wxFontFamily GetFamily() const { return m_family; } - int GetStyle() const + wxFontStyle GetStyle() const { return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle() : m_style; } - int GetWeight() const + wxFontWeight GetWeight() const { return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight() : m_weight; @@ -206,11 +211,26 @@ public: : m_encoding; } - WXHFONT GetHFONT() const { return m_hFont; } + WXHFONT GetHFONT(const wxFont *font) const + { + if ( !m_hFont ) + const_cast(this)->Alloc(font); + + return (WXHFONT)m_hFont; + } - // ... and setters + bool HasHFONT() const + { + return m_hFont != 0; + } + + // ... and setters: notice that all of them invalidate the currently + // allocated HFONT, if any, so that the next call to GetHFONT() recreates a + // new one void SetPointSize(int pointSize) { + Free(); + if ( m_nativeFontInfoOk ) { m_nativeFontInfo.SetPointSize(pointSize); @@ -224,6 +244,8 @@ public: void SetPixelSize(const wxSize& pixelSize) { + Free(); + if ( m_nativeFontInfoOk ) { m_nativeFontInfo.SetPixelSize(pixelSize); @@ -235,21 +257,27 @@ public: } } - void SetFamily(int family) + void SetFamily(wxFontFamily family) { + Free(); + m_family = family; } - void SetStyle(int style) + void SetStyle(wxFontStyle style) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetStyle((wxFontStyle)style); else m_style = style; } - void SetWeight(int weight) + void SetWeight(wxFontWeight weight) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetWeight((wxFontWeight)weight); else @@ -258,15 +286,19 @@ public: bool SetFaceName(const wxString& faceName) { + Free(); + if ( m_nativeFontInfoOk ) return m_nativeFontInfo.SetFaceName(faceName); - m_faceName = faceName; + m_faceName = faceName; return true; } void SetUnderlined(bool underlined) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetUnderlined(underlined); else @@ -275,51 +307,63 @@ public: void SetEncoding(wxFontEncoding encoding) { + Free(); + if ( m_nativeFontInfoOk ) m_nativeFontInfo.SetEncoding(encoding); else m_encoding = encoding; } - // native font info tests + // native font info bool HasNativeFontInfo() const { return m_nativeFontInfoOk; } const wxNativeFontInfo& GetNativeFontInfo() const { return m_nativeFontInfo; } + void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo) + { + Free(); + + m_nativeFontInfo = nativeFontInfo; + m_nativeFontInfoOk = true; + } + protected: // common part of all ctors void Init(int size, const wxSize& pixelSize, bool sizeUsingPixels, - int family, - int style, - int weight, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, bool underlined, const wxString& faceName, wxFontEncoding encoding); void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0); - // font characterstics + // font characteristics int m_pointSize; wxSize m_pixelSize; bool m_sizeUsingPixels; - int m_family; - int m_style; - int m_weight; + wxFontFamily m_family; + wxFontStyle m_style; + wxFontWeight m_weight; bool m_underlined; wxString m_faceName; wxFontEncoding m_encoding; - // Windows font handle - WXHFONT m_hFont; + // Windows font handle, created on demand in GetHFONT() + HFONT m_hFont; // Native font info wxNativeFontInfo m_nativeFontInfo; bool m_nativeFontInfoOk; }; +#define M_FONTDATA ((wxFontRefData*)m_refData) + // ============================================================================ // implementation // ============================================================================ @@ -331,9 +375,9 @@ protected: void wxFontRefData::Init(int pointSize, const wxSize& pixelSize, bool sizeUsingPixels, - int family, - int style, - int weight, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, bool underlined, const wxString& faceName, wxFontEncoding encoding) @@ -360,13 +404,14 @@ void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont) // use the exact font created in the underlying system // (for example where we can't guarantee conversion from HFONT // to LOGFONT back to HFONT) - m_hFont = 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; + m_family = wxFONTFAMILY_SWISS; } wxFontRefData::~wxFontRefData() @@ -374,22 +419,25 @@ wxFontRefData::~wxFontRefData() Free(); } -bool wxFontRefData::Alloc(wxFont *font) +bool wxFontRefData::Alloc(const wxFont *font) { if ( !m_nativeFontInfoOk ) { - wxFillLogFont(&m_nativeFontInfo.lf, font); + // NOTE: we use wxNativeInfo::InitFromFont to avoid code duplication: + // it results in using our m_* variables (except for m_hFont and + // for m_nativeFontInfo obviously) for the initialization + // of the wxNativeInfo::lf member. + m_nativeFontInfo.InitFromFont(*font); m_nativeFontInfoOk = true; } - HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf); - if ( !hfont ) + m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf); + if ( !m_hFont ) { wxLogLastError(wxT("CreateFont")); return false; } - m_hFont = (WXHFONT)hfont; return true; } @@ -397,7 +445,7 @@ void wxFontRefData::Free() { if ( m_hFont ) { - if ( !::DeleteObject((HFONT) m_hFont) ) + if ( !::DeleteObject(m_hFont) ) { wxLogLastError(wxT("DeleteObject(font)")); } @@ -413,6 +461,18 @@ void wxFontRefData::Free() void wxNativeFontInfo::Init() { wxZeroMemory(lf); + + // we get better font quality if we use PROOF_QUALITY instead of + // DEFAULT_QUALITY but some fonts (e.g. "Terminal 6pt") are not available + // then so we allow to set a global option to choose between quality and + // wider font selection +#ifdef __WXWINCE__ + lf.lfQuality = CLEARTYPE_QUALITY; +#else + lf.lfQuality = wxSystemOptions::GetOptionInt(_T("msw.font.no-proof-quality")) + ? DEFAULT_QUALITY + : PROOF_QUALITY; +#endif } int wxNativeFontInfo::GetPointSize() const @@ -421,13 +481,14 @@ int wxNativeFontInfo::GetPointSize() const // for printing! const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY); - return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5); + // BC++ 2007 doesn't provide abs(long) overload, hence the cast + return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5); } wxSize wxNativeFontInfo::GetPixelSize() const { wxSize ret; - ret.SetHeight(lf.lfHeight); + ret.SetHeight(abs((int)lf.lfHeight)); ret.SetWidth(lf.lfWidth); return ret; } @@ -509,11 +570,16 @@ 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 ) @@ -562,9 +628,7 @@ 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; } @@ -573,7 +637,7 @@ void wxNativeFontInfo::SetFamily(wxFontFamily family) BYTE ff_family; wxArrayString facename; - // the list of fonts associated with a family was partially + // the list of fonts associated with a family was partially // taken from http://www.codestyle.org/css/font-family switch ( family ) @@ -629,15 +693,15 @@ void wxNativeFontInfo::SetFamily(wxFontFamily family) // is returned as default GUI font for compatibility int verMaj; ff_family = FF_SWISS; - if(wxGetOsVersion(&verMaj) == wxWINDOWS_NT && verMaj >= 5) + if(wxGetOsVersion(&verMaj) == wxOS_WINDOWS_NT && verMaj >= 5) facename.Add(_T("MS Shell Dlg 2")); else facename.Add(_T("MS Shell Dlg")); // Quoting the MSDN: - // "MS Shell Dlg is a mapping mechanism that enables - // U.S. English Microsoft Windows NT, and Microsoft Windows 2000 to - // support locales that have characters that are not contained in code + // "MS Shell Dlg is a mapping mechanism that enables + // U.S. English Microsoft Windows NT, and Microsoft Windows 2000 to + // support locales that have characters that are not contained in code // page 1252. It is not a font but a face name for a nonexistent font." } } @@ -780,7 +844,7 @@ wxString wxNativeFontInfo::ToString() const lf.lfClipPrecision, lf.lfQuality, lf.lfPitchAndFamily, - lf.lfFaceName); + (const wxChar*)lf.lfFaceName); return s; } @@ -789,33 +853,28 @@ 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(); m_refData = new wxFontRefData(info, hFont); - RealizeResource(); - - return true; -} - -wxFont::wxFont(const wxString& fontdesc) -{ - wxNativeFontInfo info; - if ( info.FromString(fontdesc) ) - (void)Create(info); + return RealizeResource(); } -/* Constructor for a font. Note that the real construction is done - * in wxDC::SetFont, when information is available about scaling etc. - */ bool wxFont::DoCreate(int pointSize, const wxSize& pixelSize, bool sizeUsingPixels, - int family, - int style, - int weight, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, bool underlined, const wxString& faceName, wxFontEncoding encoding) @@ -833,9 +892,7 @@ bool wxFont::DoCreate(int pointSize, family, style, weight, underlined, faceName, encoding); - RealizeResource(); - - return true; + return RealizeResource(); } wxFont::~wxFont() @@ -846,28 +903,32 @@ wxFont::~wxFont() // real implementation // ---------------------------------------------------------------------------- -bool wxFont::RealizeResource() +wxGDIRefData *wxFont::CreateGDIRefData() const { - if ( GetResourceHandle() ) - { - // VZ: the old code returned false in this case, but it doesn't seem - // to make sense because the font _was_ created - return true; - } + return new wxFontRefData(); +} - return M_FONTDATA->Alloc(this); +wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const +{ + return new wxFontRefData(*static_cast(data)); +} + +bool wxFont::RealizeResource() +{ + // 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 ( GetResourceHandle() ) - { - M_FONTDATA->Free(); + if ( !M_FONTDATA ) + return false; - return true; - } + M_FONTDATA->Free(); - return false; + return true; } WXHANDLE wxFont::GetResourceHandle() const @@ -877,27 +938,14 @@ WXHANDLE wxFont::GetResourceHandle() const WXHFONT wxFont::GetHFONT() const { - return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0; + // NOTE: wxFontRefData::GetHFONT() will automatically call + // wxFontRefData::Alloc() if necessary + return M_FONTDATA ? M_FONTDATA->GetHFONT(this) : 0; } bool wxFont::IsFree() const { - return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0); -} - -void wxFont::Unshare() -{ - // Don't change shared data - if ( !m_refData ) - { - m_refData = new wxFontRefData(); - } - else - { - wxFontRefData* ref = new wxFontRefData(*M_FONTDATA); - UnRef(); - m_refData = ref; - } + return M_FONTDATA && !M_FONTDATA->HasHFONT(); } // ---------------------------------------------------------------------------- @@ -906,56 +954,46 @@ void wxFont::Unshare() void wxFont::SetPointSize(int pointSize) { - Unshare(); + AllocExclusive(); + M_FONTDATA->Free(); M_FONTDATA->SetPointSize(pointSize); - - RealizeResource(); } void wxFont::SetPixelSize(const wxSize& pixelSize) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetPixelSize(pixelSize); - - RealizeResource(); } -void wxFont::SetFamily(int family) +void wxFont::SetFamily(wxFontFamily family) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetFamily(family); - - RealizeResource(); } -void wxFont::SetStyle(int style) +void wxFont::SetStyle(wxFontStyle style) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetStyle(style); - - RealizeResource(); } -void wxFont::SetWeight(int weight) +void wxFont::SetWeight(wxFontWeight weight) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetWeight(weight); - - RealizeResource(); } bool wxFont::SetFaceName(const wxString& faceName) { - Unshare(); - - bool refdataok = M_FONTDATA->SetFaceName(faceName); + AllocExclusive(); - RealizeResource(); + if ( !M_FONTDATA->SetFaceName(faceName) ) + return false; // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT() // to retrieve a LOGFONT and then compare lf.lfFaceName @@ -964,36 +1002,28 @@ bool wxFont::SetFaceName(const wxString& faceName) // without any validity check. // Thus we use wxFontBase::SetFaceName to check if facename // is valid... - return refdataok && wxFontBase::SetFaceName(faceName); + return wxFontBase::SetFaceName(faceName); } void wxFont::SetUnderlined(bool underlined) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetUnderlined(underlined); - - RealizeResource(); } void wxFont::SetEncoding(wxFontEncoding encoding) { - Unshare(); + AllocExclusive(); M_FONTDATA->SetEncoding(encoding); - - RealizeResource(); } void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info) { - Unshare(); - - FreeResource(); - - *M_FONTDATA = wxFontRefData(info); + AllocExclusive(); - RealizeResource(); + M_FONTDATA->SetNativeFontInfo(info); } // ---------------------------------------------------------------------------- @@ -1002,87 +1032,95 @@ 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( 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(); } -int wxFont::GetFamily() const +wxFontFamily wxFont::GetFamily() const { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") ); return M_FONTDATA->GetFamily(); } -int wxFont::GetStyle() const +wxFontStyle wxFont::GetStyle() const { - wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); + wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") ); return M_FONTDATA->GetStyle(); } -int wxFont::GetWeight() const +wxFontWeight wxFont::GetWeight() const { - wxCHECK_MSG( Ok(), 0, 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 M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo()) + return IsOk() && M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL; } wxString wxFont::GetNativeFontInfoDesc() const { + 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( 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 { + wxCHECK_MSG( IsOk(), false, wxT("invalid font") ); + if ( M_FONTDATA->HasNativeFontInfo() ) { // the two low-order bits specify the pitch of the font, the rest is @@ -1095,4 +1133,3 @@ bool wxFont::IsFixedWidth() const return wxFontBase::IsFixedWidth(); } -