///////////////////////////////////////////////////////////////////////////////
-// 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
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "fontenum.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#if wxUSE_FONTENUM
+
#ifndef WX_PRECOMP
- #include "wx/font.h"
+ #include "wx/gdicmn.h"
+ #include "wx/font.h"
+ #include "wx/encinfo.h"
+ #include "wx/dynarray.h"
#endif
+#include "wx/msw/private.h"
+
+#include "wx/fontutil.h"
#include "wx/fontenum.h"
#include "wx/fontmap.h"
-#include "wx/msw/private.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();
// if not empty, enum only the fonts with this facename
wxString m_facename;
- // if TRUE, enum only fixed fonts
+ // 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;
+
+ DECLARE_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
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)
{
- wxNativeEncodingInfo info;
- if ( !wxGetNativeFontEncoding(encoding, &info) )
+ if ( encoding != wxFONTENCODING_SYSTEM )
{
- if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
+ wxNativeEncodingInfo info;
+ if ( !wxGetNativeFontEncoding(encoding, &info) )
{
- // no such encodings at all
- return FALSE;
+#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;
}
- m_charset = info.charset;
- m_facename = info.facename;
- return TRUE;
+ 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 : m_facename.wx_str(),
+ (wxFONTENUMPROC)wxFontEnumeratorProc,
+ (LPARAM)this) ;
+#else // __WIN32__
LOGFONT lf;
- lf.lfCharSet = m_charset;
+ lf.lfCharSet = (BYTE)m_charset;
wxStrncpy(lf.lfFaceName, m_facename, 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);
+
+ wxFontEncoding enc = wxGetFontEncFromCharSet(cs);
+ return m_fontEnum->OnFontEncoding(lf->lfFaceName,
+ wxFontMapper::GetEncodingName(enc));
+ }
+ else
+ {
+ // continue enumeration
+ return true;
+ }
+ }
+
if ( m_fixedOnly )
{
// check that it's a fixed pitch font (there is *no* error here, the
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;
+ }
+
+ wxConstCast(this, wxFontEnumeratorHelper)->
+ m_facenames.Add(lf->lfFaceName);
+ }
return m_fontEnum->OnFacename(lf->lfFaceName);
}
}
// 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
projects / wxWidgets.git / blobdiff