added wxLocale::GetLanguageName

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21099 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/locale.tex

@@ -446,6 +446,13 @@ returned pointer is valid, the caller should {\it not} delete it.
 See \helpref{AddLanguage}{wxlocaleaddlanguage} for the wxLanguageInfo
 description.
 
+\membersection{wxLocale::GetLanguageName}\label{wxlocalegetlanguagename}
+
+\constfunc{static wxString}{GetLanguageName}{\param{int }{lang}}
+
+Returns English name of the given language or empty string if this
+language is unknown.
+
 
 \membersection{wxLocale::GetLocale}\label{wxlocalegetlocale}
 

include/wx/intl.h

@@ -455,6 +455,10 @@ public:
     // Returns NULL if no info found, pointer must *not* be deleted by caller
     static const wxLanguageInfo *GetLanguageInfo(int lang);
 
+    // Returns language name in English or empty string if the language
+    // is not in database
+    static wxString GetLanguageName(int lang);
+
     // Find the language for the given locale string which may be either a
     // canonical ISO 2 letter language code ("xx"), a language code followed by
     // the country code ("xx_XX") or a Windows full language name ("Xxxxx...")

src/common/intl.cpp

@@ -1448,6 +1448,16 @@ const wxLanguageInfo *wxLocale::GetLanguageInfo(int lang)
     return NULL;
 }
 
+/* static */
+wxString wxLocale::GetLanguageName(int lang)
+{
+    const wxLanguageInfo *info = GetLanguageInfo(lang);
+    if ( !info )
+        return wxEmptyString;
+    else
+        return info->Description;
+}
+
 /* static */
 const wxLanguageInfo *wxLocale::FindLanguageInfo(const wxString& locale)
 {