X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a1d58ddc1557d0bd454ed9ccd58d7761ed242d67..07aaf32633ecf18ec3edfbb41793a112914792d0:/src/msw/fontenum.cpp diff --git a/src/msw/fontenum.cpp b/src/msw/fontenum.cpp index ed6a823992..7ebc115010 100644 --- a/src/msw/fontenum.cpp +++ b/src/msw/fontenum.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/fontenum.cpp +// Name: src/msw/fontenum.cpp // Purpose: wxFontEnumerator class for Windows // Author: Julian Smart // Modified by: Vadim Zeitlin to add support for font encodings @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "fontenum.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,27 +24,40 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP - #include "wx/font.h" -#endif +#if wxUSE_FONTENUM #include "wx/fontenum.h" -#include "wx/msw/private.h" +#ifndef WX_PRECOMP + #include "wx/gdicmn.h" + #include "wx/font.h" + #include "wx/dynarray.h" + #include "wx/msw/private.h" +#endif + +#include "wx/encinfo.h" +#include "wx/fontutil.h" +#include "wx/fontmap.h" // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- +// the helper class which calls ::EnumFontFamilies() and whose OnFont() is +// called from the callback passed to this function and, in its turn, calls the +// appropariate wxFontEnumerator method class wxFontEnumeratorHelper { public: wxFontEnumeratorHelper(wxFontEnumerator *fontEnum); // control what exactly are we enumerating + // we enumerate fonts with given enocding bool SetEncoding(wxFontEncoding encoding); - void SetFixedOnly(bool fixedOnly) - { m_fixedOnly = fixedOnly; } + // we enumerate fixed-width fonts + void SetFixedOnly(bool fixedOnly) { m_fixedOnly = fixedOnly; } + // we enumerate the encodings available in this family + void SetFamily(const wxString& family); // call to start enumeration void DoEnumerate(); @@ -63,16 +72,35 @@ private: // if != -1, enum only fonts which have this encoding int m_charset; - // if TRUE, enum only fixed fonts + // if not empty, enum only the fonts with this facename + wxString m_facename; + + // if not empty, enum only the fonts in this family + wxString m_family; + + // if true, enum only fixed fonts bool m_fixedOnly; + + // if true, we enumerate the encodings, not fonts + bool m_enumEncodings; + + // the list of charsets we already found while enumerating charsets + wxArrayInt m_charsets; + + // the list of facenames we already found while enumerating facenames + wxArrayString m_facenames; + + wxDECLARE_NO_COPY_CLASS(wxFontEnumeratorHelper); }; // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- +#ifndef __WXMICROWIN__ int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm, - DWORD dwStyle, LONG lParam); + DWORD dwStyle, LPARAM lParam); +#endif // ============================================================================ // implementation @@ -85,46 +113,100 @@ int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm, wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum) { m_fontEnum = fontEnum; - m_charset = -1; - m_fixedOnly = FALSE; + m_charset = DEFAULT_CHARSET; + m_fixedOnly = false; + m_enumEncodings = false; +} + +void wxFontEnumeratorHelper::SetFamily(const wxString& family) +{ + m_enumEncodings = true; + m_family = family; } bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding) { - bool exact; - m_charset = wxCharsetFromEncoding(encoding, &exact); -#ifdef __WIN32__ - if ( !exact ) + if ( encoding != wxFONTENCODING_SYSTEM ) { - m_charset = DEFAULT_CHARSET; + wxNativeEncodingInfo info; + if ( !wxGetNativeFontEncoding(encoding, &info) ) + { +#if wxUSE_FONTMAP + if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) ) +#endif // wxUSE_FONTMAP + { + // no such encodings at all + return false; + } + } + + m_charset = info.charset; + m_facename = info.facename; } -#endif // Win32 - return exact; + return true; } +#if defined(__GNUWIN32__) && !defined(__CYGWIN10__) && !wxCHECK_W32API_VERSION( 1, 1 ) && !wxUSE_NORLANDER_HEADERS + #define wxFONTENUMPROC int(*)(ENUMLOGFONTEX *, NEWTEXTMETRICEX*, int, LPARAM) +#else + #define wxFONTENUMPROC FONTENUMPROC +#endif + void wxFontEnumeratorHelper::DoEnumerate() { +#ifndef __WXMICROWIN__ HDC hDC = ::GetDC(NULL); -#ifdef __WIN32__ +#ifdef __WXWINCE__ + ::EnumFontFamilies(hDC, + m_facename.empty() ? NULL : wxMSW_CONV_LPCTSTR(m_facename), + (wxFONTENUMPROC)wxFontEnumeratorProc, + (LPARAM)this) ; +#else // __WIN32__ LOGFONT lf; - lf.lfCharSet = m_charset; - lf.lfFaceName[0] = _T('\0'); + lf.lfCharSet = (BYTE)m_charset; + wxStrlcpy(lf.lfFaceName, m_facename.c_str(), WXSIZEOF(lf.lfFaceName)); lf.lfPitchAndFamily = 0; - ::EnumFontFamiliesEx(hDC, &lf, (FONTENUMPROC)wxFontEnumeratorProc, + ::EnumFontFamiliesEx(hDC, &lf, (wxFONTENUMPROC)wxFontEnumeratorProc, (LPARAM)this, 0 /* reserved */) ; -#else // Win16 - ::EnumFonts(hDC, (LPTSTR)NULL, (FONTENUMPROC)wxFontEnumeratorProc, - (LPARAM) (void*) this) ; -#endif // Win32/16 +#endif // Win32/CE ::ReleaseDC(NULL, hDC); +#endif } bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf, const LPTEXTMETRIC tm) const { + if ( m_enumEncodings ) + { + // is this a new charset? + int cs = lf->lfCharSet; + if ( m_charsets.Index(cs) == wxNOT_FOUND ) + { + wxConstCast(this, wxFontEnumeratorHelper)->m_charsets.Add(cs); + +#if wxUSE_FONTMAP + wxFontEncoding enc = wxGetFontEncFromCharSet(cs); + return m_fontEnum->OnFontEncoding(lf->lfFaceName, + wxFontMapper::GetEncodingName(enc)); +#else // !wxUSE_FONTMAP + // Just use some unique and, hopefully, understandable, name. + return m_fontEnum->OnFontEncoding + ( + lf->lfFaceName, + wxString::Format(wxS("Code page %d"), cs) + ); +#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP + } + else + { + // continue enumeration + return true; + } + } + if ( m_fixedOnly ) { // check that it's a fixed pitch font (there is *no* error here, the @@ -132,28 +214,42 @@ bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf, if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH ) { // not a fixed pitch font - return TRUE; + return true; } } - if ( m_charset != -1 ) + if ( m_charset != DEFAULT_CHARSET ) { // check that we have the right encoding if ( lf->lfCharSet != m_charset ) { - return TRUE; + return true; } } + else // enumerating fonts in all charsets + { + // we can get the same facename twice or more in this case because it + // may exist in several charsets but we only want to return one copy of + // it (note that this can't happen for m_charset != DEFAULT_CHARSET) + if ( m_facenames.Index(lf->lfFaceName) != wxNOT_FOUND ) + { + // continue enumeration + return true; + } - return m_fontEnum->OnFontFamily(lf->lfFaceName); + wxConstCast(this, wxFontEnumeratorHelper)-> + m_facenames.Add(lf->lfFaceName); + } + + return m_fontEnum->OnFacename(lf->lfFaceName); } // ---------------------------------------------------------------------------- // wxFontEnumerator // ---------------------------------------------------------------------------- -bool wxFontEnumerator::EnumerateFamilies(wxFontEncoding encoding, - bool fixedWidthOnly) +bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding, + bool fixedWidthOnly) { wxFontEnumeratorHelper fe(this); if ( fe.SetEncoding(encoding) ) @@ -164,32 +260,42 @@ bool wxFontEnumerator::EnumerateFamilies(wxFontEncoding encoding, } // else: no such fonts, unknown encoding - return TRUE; + return true; } bool wxFontEnumerator::EnumerateEncodings(const wxString& family) { - wxFAIL_MSG(wxT("TODO")); + wxFontEnumeratorHelper fe(this); + fe.SetFamily(family); + fe.DoEnumerate(); - return TRUE; + return true; } // ---------------------------------------------------------------------------- // Windows callbacks // ---------------------------------------------------------------------------- +#ifndef __WXMICROWIN__ int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm, - DWORD dwStyle, LONG lParam) + DWORD WXUNUSED(dwStyle), LPARAM lParam) { + + // we used to process TrueType fonts only, but there doesn't seem to be any + // reasons to restrict ourselves to them here +#if 0 // Get rid of any fonts that we don't want... if ( dwStyle != TRUETYPE_FONTTYPE ) { // continue enumeration return TRUE; } +#endif // 0 wxFontEnumeratorHelper *fontEnum = (wxFontEnumeratorHelper *)lParam; return fontEnum->OnFont(lplf, lptm); } +#endif +#endif // wxUSE_FONTENUM