Some improvements to accessibility behaviour

[wxWidgets.git] / src / msw / fontutil.cpp

diff --git a/src/msw/fontutil.cpp b/src/msw/fontutil.cpp
index 22d308ceecc83a28559ef680f71c548b34f22fbe..221dfe50e6c9cbbe3955f05feed73d026fcc6bea 100644 (file)
--- a/src/msw/fontutil.cpp
+++ b/src/msw/fontutil.cpp
@@ -41,6 +41,11 @@
 
 #include "wx/tokenzr.h"
 
 
 #include "wx/tokenzr.h"
 

+// for MSVC5 and old w32api
+#ifndef HANGUL_CHARSET
+#    define HANGUL_CHARSET  129
+#endif
+

 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -63,14 +68,13 @@ bool wxNativeEncodingInfo::FromString(const wxString& s)
     encoding = (wxFontEncoding)enc;
 
     facename = tokenizer.GetNextToken();
     encoding = (wxFontEncoding)enc;
 
     facename = tokenizer.GetNextToken();

-    if ( !facename )
-        return FALSE;

 
     wxString tmp = tokenizer.GetNextToken();
 
     wxString tmp = tokenizer.GetNextToken();

-    if ( !tmp )
+    if ( tmp.empty() )

     {
     {

-        // default charset (don't use DEFAULT_CHARSET though because of subtle
-        // Windows 9x/NT differences in handling it)
+        // default charset: but don't use DEFAULT_CHARSET here because it might
+        // be different from the machine on which the file we had read this
+        // encoding desc from was created

         charset = ANSI_CHARSET;
     }
     else
         charset = ANSI_CHARSET;
     }
     else


@@ -90,6 +94,8 @@ wxString wxNativeEncodingInfo::ToString() const
     wxString s;
 
     s << (long)encoding << _T(';') << facename;
     wxString s;
 
     s << (long)encoding << _T(';') << facename;

+
+    // ANSI_CHARSET is assumed anyhow

     if ( charset != ANSI_CHARSET )
     {
          s << _T(';') << charset;
     if ( charset != ANSI_CHARSET )
     {
          s << _T(';') << charset;


@@ -117,6 +123,9 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
         // although this function is supposed to return an exact match, do do
         // some mappings here for the most common case of "standard" encoding
         case wxFONTENCODING_SYSTEM:
         // although this function is supposed to return an exact match, do do
         // some mappings here for the most common case of "standard" encoding
         case wxFONTENCODING_SYSTEM:

+            info->charset = DEFAULT_CHARSET;
+            break;
+

         case wxFONTENCODING_ISO8859_1:
         case wxFONTENCODING_ISO8859_15:
         case wxFONTENCODING_CP1252:
         case wxFONTENCODING_ISO8859_1:
         case wxFONTENCODING_ISO8859_15:
         case wxFONTENCODING_CP1252:


@@ -124,6 +133,25 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
             break;
 
 #if !defined(__WIN16__) && !defined(__WXMICROWIN__)
             break;
 
 #if !defined(__WIN16__) && !defined(__WXMICROWIN__)

+
+        // The following four fonts are multi-byte charsets
+        case wxFONTENCODING_CP932:
+            info->charset = SHIFTJIS_CHARSET;
+            break;
+
+        case wxFONTENCODING_CP936:
+            info->charset = GB2312_CHARSET;
+            break;
+
+        case wxFONTENCODING_CP949:
+            info->charset = HANGUL_CHARSET;
+            break;
+
+        case wxFONTENCODING_CP950:
+            info->charset = CHINESEBIG5_CHARSET;
+            break;
+
+        // The rest are single byte encodings

         case wxFONTENCODING_CP1250:
             info->charset = EASTEUROPE_CHARSET;
             break;
         case wxFONTENCODING_CP1250:
             info->charset = EASTEUROPE_CHARSET;
             break;


@@ -155,6 +183,8 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
         case wxFONTENCODING_CP874:
             info->charset = THAI_CHARSET;
             break;
         case wxFONTENCODING_CP874:
             info->charset = THAI_CHARSET;
             break;

+
+

 #endif // !Win16
 
         case wxFONTENCODING_CP437:
 #endif // !Win16
 
         case wxFONTENCODING_CP437:


@@ -178,7 +208,7 @@ bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
     wxZeroMemory(lf);       // all default values
 
     lf.lfCharSet = info.charset;
     wxZeroMemory(lf);       // all default values
 
     lf.lfCharSet = info.charset;

-    wxStrncpy(lf.lfFaceName, info.facename, sizeof(lf.lfFaceName));
+    wxStrncpy(lf.lfFaceName, info.facename, WXSIZEOF(lf.lfFaceName));

 
     HFONT hfont = ::CreateFontIndirect(&lf);
     if ( !hfont )
 
     HFONT hfont = ::CreateFontIndirect(&lf);
     if ( !hfont )


@@ -203,11 +233,9 @@ wxFontEncoding wxGetFontEncFromCharSet(int cs)
     switch ( cs )
     {
         default:
     switch ( cs )
     {
         default:

-            // JACS: Silently using ANSI_CHARSET
-            // apparently works for Chinese Windows. Assume it works
-            // for all/most other languages.
-            //wxFAIL_MSG(wxT("unsupported charset"));
-            // fall through
+            // assume the system charset
+            fontEncoding = wxFONTENCODING_SYSTEM;
+            break;

 
         case ANSI_CHARSET:
             fontEncoding = wxFONTENCODING_CP1252;
 
         case ANSI_CHARSET:
             fontEncoding = wxFONTENCODING_CP1252;


@@ -245,6 +273,23 @@ wxFontEncoding wxGetFontEncFromCharSet(int cs)
         case THAI_CHARSET:
             fontEncoding = wxFONTENCODING_CP437;
             break;
         case THAI_CHARSET:
             fontEncoding = wxFONTENCODING_CP437;
             break;

+
+        case SHIFTJIS_CHARSET:
+            fontEncoding = wxFONTENCODING_CP932;
+            break;
+
+        case GB2312_CHARSET:
+            fontEncoding = wxFONTENCODING_CP936;
+            break;
+
+        case HANGUL_CHARSET:
+            fontEncoding = wxFONTENCODING_CP949;
+            break;
+
+        case CHINESEBIG5_CHARSET:
+            fontEncoding = wxFONTENCODING_CP950;
+            break;
+

 #endif // Win32
 
         case OEM_CHARSET:
 #endif // Win32
 
         case OEM_CHARSET:


@@ -261,144 +306,36 @@ wxFontEncoding wxGetFontEncFromCharSet(int cs)
 
 void wxFillLogFont(LOGFONT *logFont, const wxFont *font)
 {
 
 void wxFillLogFont(LOGFONT *logFont, const wxFont *font)
 {

-    int ff_family;
-    wxString ff_face;
-
-    switch ( font->GetFamily() )
+    // maybe we already have LOGFONT for this font?
+    wxNativeFontInfo *fontinfo = font->GetNativeFontInfo();
+    if ( !fontinfo )

     {
     {

-        case wxSCRIPT:
-            ff_family = FF_SCRIPT;
-            ff_face = _T("Script");
-            break;
-
-        case wxDECORATIVE:
-            ff_family = FF_DECORATIVE;
-            break;
-
-        case wxROMAN:
-            ff_family = FF_ROMAN;
-            ff_face = _T("Times New Roman");
-            break;
-
-        case wxTELETYPE:
-        case wxMODERN:
-            ff_family = FF_MODERN;
-            ff_face = _T("Courier New");
-            break;
-
-        case wxSWISS:
-            ff_family = FF_SWISS;
-            ff_face = _T("Arial");
-            break;
-
-        case wxDEFAULT:
-        default:
-            ff_family = FF_SWISS;
-            ff_face = _T("MS Sans Serif");
-    }
-
-    BYTE ff_italic;
-    switch ( font->GetStyle() )
-    {
-        case wxITALIC:
-        case wxSLANT:
-            ff_italic = 1;
-            break;
-
-        default:
-            wxFAIL_MSG(wxT("unknown font slant"));
-            // fall through
-
-        case wxNORMAL:
-            ff_italic = 0;
-    }
-
-    int ff_weight;
-    switch ( font->GetWeight() )
-    {
-        default:
-            wxFAIL_MSG(_T("unknown font weight"));
-            // fall through
-
-        case wxNORMAL:
-            ff_weight = FW_NORMAL;
-            break;
-
-        case wxLIGHT:
-            ff_weight = FW_LIGHT;
-            break;
-
-        case wxBOLD:
-            ff_weight = FW_BOLD;
-            break;
-    }
-
-    // VZ: I'm reverting this as we clearly must use the real screen
-    //     resolution instead of hardcoded one or it surely will fail to work
-    //     in some cases.
-    //
-    //     If there are any problems with this code, please let me know about
-    //     it instead of reverting this change, thanks!
-#if 1 // wxUSE_SCREEN_DPI
-    const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
-#else // 0
-    // New behaviour: apparently ppInch varies according to Large/Small Fonts
-    // setting in Windows. This messes up fonts. So, set ppInch to a constant
-    // 96 dpi.
-    static const int ppInch = 96;
-#endif // 1/0
-
-    int pointSize = font->GetPointSize();
-#if wxFONT_SIZE_COMPATIBILITY
-    // Incorrect, but compatible with old wxWindows behaviour
-    int nHeight = (pointSize*ppInch)/72;
-#else
-    // Correct for Windows compatibility
-    int nHeight = -(int)((pointSize*((double)ppInch)/72.0) + 0.5);
-#endif
-
-    wxString facename = font->GetFaceName();
-    if ( !!facename )
-    {
-        ff_face = facename;
-    }
-    //else: ff_face is a reasonable default facename for this font family
-
-    // deal with encoding now
-    wxNativeEncodingInfo info;
-    wxFontEncoding encoding = font->GetEncoding();
-    if ( !wxGetNativeFontEncoding(encoding, &info) )
-    {
-#if wxUSE_FONTMAP
-        if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
-#endif // wxUSE_FONTMAP
+        // use wxNativeFontInfo methods to build a LOGFONT for this font
+        fontinfo = new wxNativeFontInfo;
+
+        // translate all font parameters
+        fontinfo->SetStyle((wxFontStyle)font->GetStyle());
+        fontinfo->SetWeight((wxFontWeight)font->GetWeight());
+        fontinfo->SetUnderlined(font->GetUnderlined());
+        fontinfo->SetPointSize(font->GetPointSize());
+
+        // set the family/facename
+        fontinfo->SetFamily((wxFontFamily)font->GetFamily());
+        wxString facename = font->GetFaceName();
+        if ( !facename.empty() )

         {
         {

-            // unsupported encoding, replace with the default
-            info.charset = ANSI_CHARSET;
+            fontinfo->SetFaceName(facename);

         }
         }

-    }

 
 

-    if ( !info.facename.IsEmpty() )
-    {
-        // the facename determined by the encoding overrides everything else
-        ff_face = info.facename;
+        // deal with encoding now (it may override the font family and facename
+        // so do it after setting them)
+        fontinfo->SetEncoding(font->GetEncoding());

     }
 
     // transfer all the data to LOGFONT
     }
 
     // transfer all the data to LOGFONT

-    logFont->lfHeight = nHeight;
-    logFont->lfWidth = 0;
-    logFont->lfEscapement = 0;
-    logFont->lfOrientation = 0;
-    logFont->lfWeight = ff_weight;
-    logFont->lfItalic = ff_italic;
-    logFont->lfUnderline = (BYTE)font->GetUnderlined();
-    logFont->lfStrikeOut = 0;
-    logFont->lfCharSet = info.charset;
-    logFont->lfOutPrecision = OUT_DEFAULT_PRECIS;
-    logFont->lfClipPrecision = CLIP_DEFAULT_PRECIS;
-    logFont->lfQuality = PROOF_QUALITY;
-    logFont->lfPitchAndFamily = DEFAULT_PITCH | ff_family;
-    wxStrncpy(logFont->lfFaceName, ff_face, WXSIZEOF(logFont->lfFaceName));
+    *logFont = fontinfo->lf;
+
+    delete fontinfo;

 }
 
 wxFont wxCreateFontFromLogFont(const LOGFONT *logFont)
 }
 
 wxFont wxCreateFontFromLogFont(const LOGFONT *logFont)