remove unused variable assignment, closes #14928

[wxWidgets.git] / include / wx / fontmap.h

diff --git a/include/wx/fontmap.h b/include/wx/fontmap.h
index d8149fab21863a2dd9d3f821ef4cad9ad6c5d1e8..98a799a12b3284fecbb9e881d1265e6c55aa1f55 100644 (file)
--- a/include/wx/fontmap.h
+++ b/include/wx/fontmap.h
@@ -25,13 +25,13 @@
 #endif // wxUSE_GUI
 
 #if wxUSE_CONFIG && wxUSE_FILECONFIG
-    class WXDLLIMPEXP_BASE wxConfigBase;
+    class WXDLLIMPEXP_FWD_BASE wxConfigBase;
 #endif // wxUSE_CONFIG
 
-class WXDLLIMPEXP_CORE wxFontMapper;
+class WXDLLIMPEXP_FWD_CORE wxFontMapper;
 
 #if wxUSE_GUI
-    class WXDLLIMPEXP_CORE wxWindow;
+    class WXDLLIMPEXP_FWD_CORE wxWindow;
 #endif // wxUSE_GUI
 
 // ============================================================================
@@ -50,7 +50,7 @@ class WXDLLIMPEXP_CORE wxFontMapper;
 class WXDLLIMPEXP_BASE wxFontMapperBase
 {
 public:
-    // constructtor and such
+    // constructor and such
     // ---------------------
 
     // default ctor
@@ -61,11 +61,17 @@ public:
 
     // return instance of the wxFontMapper singleton
     // wxBase code only cares that it's a wxFontMapperBase
+    // In wxBase, wxFontMapper is only forward declared
+    // so one cannot implicitly cast from it to wxFontMapperBase.
     static wxFontMapperBase *Get();
 
     // set the singleton to 'mapper' instance and return previous one
     static wxFontMapper *Set(wxFontMapper *mapper);
 
+    // delete the existing font mapper if any
+    static void Reset();
+
+
     // translates charset strings to encoding
     // --------------------------------------
 
@@ -86,10 +92,13 @@ public:
     // get the n-th supported encoding
     static wxFontEncoding GetEncoding(size_t n);
 
-    // return internal string identifier for the encoding (see also
-    // GetEncodingDescription())
+    // return canonical name of this encoding (this is a short string,
+    // GetEncodingDescription() returns a longer one)
     static wxString GetEncodingName(wxFontEncoding encoding);
 
+    // return a list of all names of this encoding (see GetEncodingName)
+    static const wxChar** GetAllEncodingNames(wxFontEncoding encoding);
+
     // return user-readable string describing the given encoding
     //
     // NB: hard-coded now, but might change later (read it from config?)
@@ -109,21 +118,22 @@ public:
     // ----------------------------------------------------------------------
 
 #if wxUSE_CONFIG && wxUSE_FILECONFIG
-    // set the config object to use (may be NULL to use default)
-    void SetConfig(wxConfigBase *config) { m_config = config; }
-
     // set the root config path to use (should be an absolute path)
     void SetConfigPath(const wxString& prefix);
 
     // return default config path
-    static const wxChar *GetDefaultConfigPath();
+    static const wxString& GetDefaultConfigPath();
 #endif // wxUSE_CONFIG
 
 
+    // returns true for the base class and false for a "real" font mapper object
+    // (implementation-only)
+    virtual bool IsDummy() { return true; }
+
 protected:
 #if wxUSE_CONFIG && wxUSE_FILECONFIG
-    // get the config object we're using -- if it wasn't set explicitly, this
-    // function will use wxConfig::Get() to get the global one
+    // get the config object we're using -- either the global config object
+    // or a wxMemoryConfig object created by this class otherwise
     wxConfigBase *GetConfig();
 
     // gets the root path for our settings -- if it wasn't set explicitly, use
@@ -142,8 +152,7 @@ protected:
     void RestorePath(const wxString& pathOld);
 
     // config object and path (in it) to use
-    wxConfigBase *m_config;
-    bool m_configIsDummy;
+    wxConfigBase *m_configDummy;
 
     wxString m_configRootPath;
 #endif // wxUSE_CONFIG
@@ -161,7 +170,7 @@ private:
 
     friend class wxFontMapperPathChanger;
 
-    DECLARE_NO_COPY_CLASS(wxFontMapperBase)
+    wxDECLARE_NO_COPY_CLASS(wxFontMapperBase);
 };
 
 // ----------------------------------------------------------------------------
@@ -233,6 +242,9 @@ public:
     // are additional methods in the subclass.
     static wxFontMapper *Get();
 
+    // pseudo-RTTI since we aren't a wxObject.
+    virtual bool IsDummy() { return false; }
+
 protected:
     // GetAltForEncoding() helper: tests for the existence of the given
     // encoding and saves the result in config if ok - this results in the
@@ -252,7 +264,7 @@ protected:
     wxWindow *m_windowParent;
 
 private:
-    DECLARE_NO_COPY_CLASS(wxFontMapper)
+    wxDECLARE_NO_COPY_CLASS(wxFontMapper);
 };
 
 #endif // wxUSE_GUI