X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ecffe99226f1f13659cdc965b5b5d18692fd25f6..f72124dbe5f289165f7c05ba6c3dcbef89e0ead6:/src/common/fontmap.cpp

diff --git a/src/common/fontmap.cpp b/src/common/fontmap.cpp
index 6f1570ed81..1b981f40e0 100644
--- a/src/common/fontmap.cpp
+++ b/src/common/fontmap.cpp
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_FONTMAP
+
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/log.h"
@@ -55,6 +57,7 @@
 // ----------------------------------------------------------------------------
 
 // 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");
@@ -64,6 +67,7 @@ static const wxChar* FONTMAPPER_CHARSET_ALIAS_PATH = wxT("Aliases");
     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[] =
@@ -211,6 +215,7 @@ wxFontMapper::wxFontMapper()
 {
 #if wxUSE_CONFIG
     m_config = NULL;
+    m_configIsDummy = FALSE;
 #endif // wxUSE_CONFIG
 
 #if wxUSE_GUI
@@ -260,10 +265,27 @@ 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.
+        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;
 }
 
@@ -376,6 +398,12 @@ 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
@@ -392,6 +420,12 @@ 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;
@@ -418,7 +452,7 @@ wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
 
         RestorePath(pathOld);
     }
-#endif
+#endif // wxUSE_CONFIG
 
     // if didn't find it there, try to recognize it ourselves
     if ( encoding == wxFONTENCODING_SYSTEM )
@@ -568,24 +602,25 @@ 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
 
@@ -734,6 +769,7 @@ bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
 #endif // wxUSE_CONFIG
 
     // ask the user
+#if wxUSE_FONTDLG
     if ( interactive )
     {
         wxString title(m_titleDialog);
@@ -793,6 +829,7 @@ bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
         }
     }
     //else: we're in non-interactive mode
+#endif // wxUSE_FONTDLG
 
     // now try the default mappings:
     wxFontEncodingArray equiv = wxEncodingConverter::GetAllEquivalents(encoding);
@@ -835,3 +872,5 @@ bool wxFontMapper::IsEncodingAvailable(wxFontEncoding encoding,
 }
 
 #endif // wxUSE_GUI
+
+#endif // wxUSE_FONTMAP