]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/fontmap.cpp
toplevel code transferred to wxTopLevelWindow
[wxWidgets.git] / src / common / fontmap.cpp
index abf1e37e36fff0bb13ffa73d8265fdeda09a318a..f40ea75e954a4d131fd43f072e43d0e8f2072304 100644 (file)
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_FONTMAP
+
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/log.h"
 // ----------------------------------------------------------------------------
 
 // the config paths we use
+#if wxUSE_CONFIG
 static const wxChar* FONTMAPPER_ROOT_PATH = wxT("/wxWindows/FontMapper");
 static const wxChar* FONTMAPPER_CHARSET_PATH = wxT("Charsets");
 static const wxChar* FONTMAPPER_CHARSET_ALIAS_PATH = wxT("Aliases");
+
+// we only ask questions in GUI mode
 #if wxUSE_GUI
     static const wxChar* FONTMAPPER_FONT_FROM_ENCODING_PATH = wxT("Encodings");
+    static const wxChar* FONTMAPPER_FONT_DONT_ASK = wxT("none");
 #endif // wxUSE_GUI
+#endif // wxUSE_CONFIG
 
 // encodings supported by GetEncodingDescription
 static wxFontEncoding gs_encodings[] =
@@ -81,6 +88,10 @@ static wxFontEncoding gs_encodings[] =
     wxFONTENCODING_ISO8859_14,
     wxFONTENCODING_ISO8859_15,
     wxFONTENCODING_KOI8,
+    wxFONTENCODING_CP932,
+    wxFONTENCODING_CP936,
+    wxFONTENCODING_CP949,
+    wxFONTENCODING_CP950,
     wxFONTENCODING_CP1250,
     wxFONTENCODING_CP1251,
     wxFONTENCODING_CP1252,
@@ -113,6 +124,10 @@ static const wxChar* gs_encodingDescs[] =
     wxTRANSLATE( "Celtic (ISO-8859-14)" ),
     wxTRANSLATE( "Western European with Euro (ISO-8859-15)" ),
     wxTRANSLATE( "KOI8-R" ),
+    wxTRANSLATE( "Windows Japanese (CP 932)" ),
+    wxTRANSLATE( "Windows Chinese Simplified (CP 936)" ),
+    wxTRANSLATE( "Windows Korean (CP 949)" ),
+    wxTRANSLATE( "Windows Chinese Traditional (CP 950)" ),
     wxTRANSLATE( "Windows Central European (CP 1250)" ),
     wxTRANSLATE( "Windows Cyrillic (CP 1251)" ),
     wxTRANSLATE( "Windows Western European (CP 1252)" ),
@@ -126,36 +141,40 @@ static const wxChar* gs_encodingDescs[] =
     wxTRANSLATE( "Unicode 8 bit (UTF-8)" ),
 };
 
-// and the internal names
+// and the internal names (these are not translated on purpose!)
 static const wxChar* gs_encodingNames[] =
 {
-    wxT( "iso8859-1" ),
-    wxT( "iso8859-2" ),
-    wxT( "iso8859-3" ),
-    wxT( "iso8859-4" ),
-    wxT( "iso8859-5" ),
-    wxT( "iso8859-6" ),
-    wxT( "iso8859-7" ),
-    wxT( "iso8859-8" ),
-    wxT( "iso8859-9" ),
-    wxT( "iso8859-10" ),
-    wxT( "iso8859-11" ),
-    wxT( "iso8859-12" ),
-    wxT( "iso8859-13" ),
-    wxT( "iso8859-14" ),
-    wxT( "iso8859-15" ),
+    wxT( "iso-8859-1" ),
+    wxT( "iso-8859-2" ),
+    wxT( "iso-8859-3" ),
+    wxT( "iso-8859-4" ),
+    wxT( "iso-8859-5" ),
+    wxT( "iso-8859-6" ),
+    wxT( "iso-8859-7" ),
+    wxT( "iso-8859-8" ),
+    wxT( "iso-8859-9" ),
+    wxT( "iso-8859-10" ),
+    wxT( "iso-8859-11" ),
+    wxT( "iso-8859-12" ),
+    wxT( "iso-8859-13" ),
+    wxT( "iso-8859-14" ),
+    wxT( "iso-8859-15" ),
     wxT( "koi8-r" ),
-    wxT( "windows1250" ),
-    wxT( "windows1251" ),
-    wxT( "windows1252" ),
-    wxT( "windows1253" ),
-    wxT( "windows1254" ),
-    wxT( "windows1255" ),
-    wxT( "windows1256" ),
-    wxT( "windows1257" ),
-    wxT( "windows437" ),
-    wxT( "utf7" ),
-    wxT( "utf8" ),
+    wxT( "windows-932" ),
+    wxT( "windows-936" ),
+    wxT( "windows-949" ),
+    wxT( "windows-950" ),
+    wxT( "windows-1250" ),
+    wxT( "windows-1251" ),
+    wxT( "windows-1252" ),
+    wxT( "windows-1253" ),
+    wxT( "windows-1254" ),
+    wxT( "windows-1255" ),
+    wxT( "windows-1256" ),
+    wxT( "windows-1257" ),
+    wxT( "windows-437" ),
+    wxT( "utf-7" ),
+    wxT( "utf-8" ),
 };
 
 // ----------------------------------------------------------------------------
@@ -208,6 +227,7 @@ wxFontMapper::wxFontMapper()
 {
 #if wxUSE_CONFIG
     m_config = NULL;
+    m_configIsDummy = FALSE;
 #endif // wxUSE_CONFIG
 
 #if wxUSE_GUI
@@ -217,6 +237,10 @@ wxFontMapper::wxFontMapper()
 
 wxFontMapper::~wxFontMapper()
 {
+#if wxUSE_CONFIG
+    if ( m_configIsDummy )
+        delete m_config;
+#endif // wxUSE_CONFIG
 }
 
 // ----------------------------------------------------------------------------
@@ -257,10 +281,28 @@ wxConfigBase *wxFontMapper::GetConfig()
             // but will allow us to remember the results of the questions at
             // least during this run
             m_config = new wxMemoryConfig;
-            wxConfig::Set(m_config);
+            m_configIsDummy = TRUE;
+            // VS: we can't call wxConfig::Set(m_config) here because that would
+            //     disable automatic wxConfig instance creation if this code was
+            //     called before wxApp::OnInit (this happens in wxGTK -- it sets
+            //     default wxFont encoding in wxApp::Initialize())
         }
     }
 
+    if ( m_configIsDummy && wxConfig::Get(FALSE) != NULL )
+    {
+        // VS: in case we created dummy m_config (see above), we want to switch back
+        //     to the real one as soon as one becomes available.
+        delete m_config;
+        m_config = wxConfig::Get(FALSE);
+        m_configIsDummy = FALSE;
+        // FIXME: ideally, we should add keys from dummy config to the real one now,
+        //        but it is a low-priority task because typical wxWin application
+        //        either doesn't use wxConfig at all or creates wxConfig object in
+        //        wxApp::OnInit(), before any real interaction with the user takes
+        //        place...
+    }
+
     return m_config;
 }
 
@@ -319,6 +361,11 @@ void wxFontMapper::RestorePath(const wxString& pathOld)
 /* static */
 wxString wxFontMapper::GetEncodingDescription(wxFontEncoding encoding)
 {
+    if ( encoding == wxFONTENCODING_DEFAULT )
+    {
+        return _("Default encoding");
+    }
+
     size_t count = WXSIZEOF(gs_encodingDescs);
 
     wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
@@ -341,6 +388,11 @@ wxString wxFontMapper::GetEncodingDescription(wxFontEncoding encoding)
 /* static */
 wxString wxFontMapper::GetEncodingName(wxFontEncoding encoding)
 {
+    if ( encoding == wxFONTENCODING_DEFAULT )
+    {
+        return _("default");
+    }
+
     size_t count = WXSIZEOF(gs_encodingNames);
 
     wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
@@ -350,7 +402,7 @@ wxString wxFontMapper::GetEncodingName(wxFontEncoding encoding)
     {
         if ( gs_encodings[i] == encoding )
         {
-            return wxGetTranslation(gs_encodingNames[i]);
+            return gs_encodingNames[i];
         }
     }
 
@@ -363,6 +415,12 @@ wxString wxFontMapper::GetEncodingName(wxFontEncoding encoding)
 wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
                                                bool interactive)
 {
+    // a special pseudo encoding which means "don't ask me about this charset
+    // any more" - we need it to avoid driving the user crazy with asking him
+    // time after time about the same charset which he [presumably] doesn't
+    // have the fonts fot
+    static const int wxFONTENCODING_UNKNOWN = -2;
+
     wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
 
     // we're going to modify it, make a copy
@@ -379,6 +437,12 @@ wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
         long value = config->Read(charset, -1l);
         if ( value != -1 )
         {
+            if ( value == wxFONTENCODING_UNKNOWN )
+            {
+                // don't try to find it, in particular don't ask the user
+                return wxFONTENCODING_SYSTEM;
+            }
+
             if ( value >= 0 && value <= wxFONTENCODING_MAX )
             {
                 encoding = (wxFontEncoding)value;
@@ -407,9 +471,13 @@ wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
     }
 #endif // wxUSE_CONFIG
 
-    // if didn't find it there, try to reckognise it ourselves
+    // if didn't find it there, try to recognize it ourselves
     if ( encoding == wxFONTENCODING_SYSTEM )
     {
+        // trim any spaces
+        cs.Trim(TRUE);
+        cs.Trim(FALSE);
+
         // discard the optional quotes
         if ( !!cs )
         {
@@ -422,13 +490,26 @@ wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
         cs.MakeUpper();
 
         if ( !cs || cs == wxT("US-ASCII") )
+        {
             encoding = wxFONTENCODING_DEFAULT;
+        }
         else if ( cs == wxT("UTF-7") )
+        {
             encoding = wxFONTENCODING_UTF7;
+        }
         else if ( cs == wxT("UTF-8") )
+        {
             encoding = wxFONTENCODING_UTF8;
-        else if ( cs == wxT("KOI8-R") || cs == wxT("KOI8-U") )
+        }
+        else if ( cs == wxT("KOI8-R") ||
+                  cs == wxT("KOI8-U") ||
+                  cs == wxT("KOI8-RU") )
+        {
+            // although koi8-ru is not strictly speaking the same as koi8-r,
+            // they are similar enough to make mapping it to koi8 better than
+            // not reckognizing it at all
             encoding = wxFONTENCODING_KOI8;
+        }
         else if ( cs.Left(3) == wxT("ISO") )
         {
             // the dash is optional (or, to be exact, it is not, but
@@ -440,29 +521,72 @@ wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
             unsigned int value;
             if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
             {
-                if ( value < wxFONTENCODING_ISO8859_MAX -
-                             wxFONTENCODING_ISO8859_1 )
+                // make it 0 based and check that it is strictly positive in
+                // the process (no such thing as iso8859-0 encoding)
+                if ( (value-- > 0) &&
+                     (value < wxFONTENCODING_ISO8859_MAX -
+                              wxFONTENCODING_ISO8859_1) )
                 {
                     // it's a valid ISO8859 encoding
-                    value += wxFONTENCODING_ISO8859_1 - 1;
+                    value += wxFONTENCODING_ISO8859_1;
                     encoding = (wxFontEncoding)value;
                 }
             }
         }
-        else if ( cs.Left(8) == wxT("WINDOWS-") )
+        else // check for Windows charsets
         {
-            int value;
-            if ( wxSscanf(cs.c_str() + 8, wxT("%u"), &value) == 1 )
+            size_t len;
+            if ( cs.Left(7) == wxT("WINDOWS") )
             {
-                if ( value >= 1250 )
+                len = 7;
+            }
+            else if ( cs.Left(2) == wxT("CP") )
+            {
+                len = 2;
+            }
+            else // not a Windows encoding
+            {
+                len = 0;
+            }
+
+            if ( len )
+            {
+                const wxChar *p = cs.c_str() + len;
+                if ( *p == wxT('-') )
+                    p++;
+
+                int value;
+                if ( wxSscanf(p, wxT("%u"), &value) == 1 )
                 {
-                    value -= 1250;
-                    if ( value < wxFONTENCODING_CP12_MAX -
-                                 wxFONTENCODING_CP1250 )
+                    if ( value >= 1250 )
+                    {
+                        value -= 1250;
+                        if ( value < wxFONTENCODING_CP12_MAX -
+                                     wxFONTENCODING_CP1250 )
+                        {
+                            // a valid Windows code page
+                            value += wxFONTENCODING_CP1250;
+                            encoding = (wxFontEncoding)value;
+                        }
+                    }
+
+                    switch ( value )
                     {
-                        // a valid Windows code page
-                        value += wxFONTENCODING_CP1250;
-                        encoding = (wxFontEncoding)value;
+                        case 932:
+                            encoding = wxFONTENCODING_CP932;
+                            break;
+
+                        case 936:
+                            encoding = wxFONTENCODING_CP936;
+                            break;
+
+                        case 949:
+                            encoding = wxFONTENCODING_CP949;
+                            break;
+
+                        case 950:
+                            encoding = wxFONTENCODING_CP950;
+                            break;
                     }
                 }
             }
@@ -514,24 +638,25 @@ wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
         if ( n != -1 )
         {
             encoding = gs_encodings[n];
+        }
 
 #if wxUSE_CONFIG
         // save the result in the config now
-            if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
-            {
-                wxConfigBase *config = GetConfig();
-
-                // remember the alt encoding for this charset
-                if ( !config->Write(charset, (long)encoding) )
-                {
-                    wxLogError(_("Failed to remember the encoding for the charset '%s'."), charset.c_str());
-                }
+        if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
+        {
+            wxConfigBase *config = GetConfig();
 
-                RestorePath(pathOld);
+            // remember the alt encoding for this charset - or remember that
+            // we don't know it
+            long value = n == -1 ? wxFONTENCODING_UNKNOWN : (long)encoding;
+            if ( !config->Write(charset, value) )
+            {
+                wxLogError(_("Failed to remember the encoding for the charset '%s'."), charset.c_str());
             }
-#endif // wxUSE_CONFIG
+
+            RestorePath(pathOld);
         }
-        //else: cancelled
+#endif // wxUSE_CONFIG
     }
 #endif // wxUSE_GUI
 
@@ -623,7 +748,8 @@ bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
         // wxFatalError doesn't return
     }
 
-    wxString configEntry, encName = GetEncodingName(encoding);
+    wxString configEntry,
+             encName = GetEncodingName(encoding);
     if ( !!facename )
     {
         configEntry = facename + _T("_");
@@ -641,55 +767,102 @@ bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
 
         RestorePath(pathOld);
 
-        if ( !!fontinfo && !!facename )
+        // this special value means that we don't know of fonts for this
+        // encoding but, moreover, have already asked the user as well and he
+        // didn't specify any font neither
+        if ( fontinfo == FONTMAPPER_FONT_DONT_ASK )
         {
-            // we tried to find a match with facename - now try without it
-            fontinfo = config->Read(encName);
+            interactive = FALSE;
         }
-
-        if ( !!fontinfo )
+        else // use the info entered the last time
         {
-            if ( info->FromString(fontinfo) )
+            if ( !!fontinfo && !!facename )
+            {
+                // we tried to find a match with facename - now try without it
+                fontinfo = config->Read(encName);
+            }
+
+            if ( !!fontinfo )
             {
-                if ( wxTestFontEncoding(*info) )
+                if ( info->FromString(fontinfo) )
                 {
-                    // ok, got something
-                    return TRUE;
+                    if ( wxTestFontEncoding(*info) )
+                    {
+                        // ok, got something
+                        return TRUE;
+                    }
+                    //else: no such fonts, look for something else
+                    //      (should we erase the outdated value?)
+                }
+                else
+                {
+                    wxLogDebug(wxT("corrupted config data: string '%s' is not a valid font encoding info"),
+                               fontinfo.c_str());
                 }
-                //else: no such fonts, look for something else
             }
-            else
+            //else: there is no information in config about this encoding
+        }
+    }
+#endif // wxUSE_CONFIG
+
+    // now try to map this encoding to a compatible one which we have on this
+    // system
+    wxFontEncodingArray equiv = wxEncodingConverter::GetAllEquivalents(encoding);
+    size_t count = equiv.GetCount();
+    bool foundEquivEncoding = FALSE;
+    wxFontEncoding equivEncoding = wxFONTENCODING_SYSTEM;
+    if ( count )
+    {
+        for ( size_t i = 0; i < count && !foundEquivEncoding; i++ )
+        {
+            // don't test for encoding itself, we already know we don't have it
+            if ( equiv[i] == encoding )
+                continue;
+
+            if ( TestAltEncoding(configEntry, equiv[i], info) )
             {
-                wxLogDebug(wxT("corrupted config data: string '%s' is not a valid font encoding info"), fontinfo.c_str());
+                equivEncoding = equiv[i];
+
+                foundEquivEncoding = TRUE;
             }
         }
-        //else: there is no information in config about this encoding
     }
-#endif // wxUSE_CONFIG
 
     // ask the user
+#if wxUSE_FONTDLG
     if ( interactive )
     {
         wxString title(m_titleDialog);
         if ( !title )
             title << wxTheApp->GetAppName() << _(": unknown encoding");
 
-        // the message
-        wxString msg;
-        msg.Printf(_("The encoding '%s' is unknown.\nWould you like to select a font to be used for this encoding\n(otherwise the text in this encoding will not be shown correctly)?"),
-                     GetEncodingDescription(encoding).c_str());
+        // built the message
+        wxString encDesc = GetEncodingDescription(encoding),
+                 msg;
+        if ( foundEquivEncoding )
+        {
+            // ask the user if he wants to override found alternative encoding
+            msg.Printf(_("No font for displaying text in encoding '%s' found,\nbut an alternative encoding '%s' is available.\nDo you want to use this encoding (otherwise you will have to choose another one)?"),
+                       encDesc.c_str(), GetEncodingDescription(equivEncoding).c_str());
+        }
+        else
+        {
+            msg.Printf(_("No font for displaying text in encoding '%s' found.\nWould you like to select a font to be used for this encoding\n(otherwise the text in this encoding will not be shown correctly)?"),
+                       encDesc.c_str());
+        }
 
-        wxWindow *parent = m_windowParent;
-        if ( !parent )
-            parent = wxTheApp->GetTopWindow();
+        // the question is different in 2 cases so the answer has to be
+        // interpreted differently as well
+        int answer = foundEquivEncoding ? wxNO : wxYES;
 
         if ( wxMessageBox(msg, title,
-                          wxICON_QUESTION | wxYES_NO, parent) == wxYES )
+                          wxICON_QUESTION | wxYES_NO,
+                          m_windowParent) == answer )
         {
             wxFontData data;
             data.SetEncoding(encoding);
             data.EncodingInfo() = *info;
-            wxFontDialog dialog(parent, &data);
+            wxFontDialog dialog(m_windowParent, &data);
             if ( dialog.ShowModal() == wxID_OK )
             {
                 wxFontData retData = dialog.GetFontData();
@@ -712,23 +885,31 @@ bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
             }
             //else: the user canceled the font selection dialog
         }
-        //else: the user doesn't want to select a font
-    }
-    //else: we're in non-interactive mode
-
-    // now try the default mappings:
-    wxFontEncodingArray equiv = wxEncodingConverter::GetAllEquivalents(encoding);
-    size_t count = equiv.GetCount();
-    if ( count )
-    {
-        for ( size_t i = (equiv[0] == encoding) ? 1 : 0; i < count; i++ )
+        else
         {
-            if ( TestAltEncoding(configEntry, equiv[i], info) )
-                return TRUE;
+            // the user doesn't want to select a font for this encoding
+            // or selected to use equivalent encoding
+            //
+            // remember it to avoid asking the same question again later
+#if wxUSE_CONFIG
+            if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+            {
+                GetConfig()->Write
+                             (
+                                configEntry,
+                                foundEquivEncoding ? info->ToString().c_str()
+                                                   : FONTMAPPER_FONT_DONT_ASK
+                             );
+
+                RestorePath(pathOld);
+            }
+#endif // wxUSE_CONFIG
         }
     }
+    //else: we're in non-interactive mode
+#endif // wxUSE_FONTDLG
 
-    return FALSE;
+    return foundEquivEncoding;
 }
 
 bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
@@ -747,7 +928,7 @@ bool wxFontMapper::IsEncodingAvailable(wxFontEncoding encoding,
 {
     wxNativeEncodingInfo info;
 
-    if ( wxGetNativeFontEncoding(encoding, &info) )
+    if (wxGetNativeFontEncoding(encoding, &info))
     {
         info.facename = facename;
         return wxTestFontEncoding(info);
@@ -757,3 +938,5 @@ bool wxFontMapper::IsEncodingAvailable(wxFontEncoding encoding,
 }
 
 #endif // wxUSE_GUI
+
+#endif // wxUSE_FONTMAP