add a note about changing selection background colour

[wxWidgets.git] / src / common / intl.cpp

diff --git a/src/common/intl.cpp b/src/common/intl.cpp
index ccc1418e29da724d97fc07cd974d65ba03cf9c14..95eb80b3e1a335a47f20d3898156f9368ace0bda 100644 (file)
--- a/src/common/intl.cpp
+++ b/src/common/intl.cpp
@@ -18,12 +18,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__BORLAND__) && !defined(__WXDEBUG__)
-    // There's a bug in Borland's compiler that breaks wxLocale with -O2,
-    // so make sure that flag is not used for this file:
-    #pragma option -O1
-#endif
-
 #ifdef __EMX__
 // The following define is needed by Innotek's libc to
 // make the definition of struct localeconv available.
@@ -1017,20 +1011,26 @@ wxMsgCatalogFile::~wxMsgCatalogFile()
     delete [] m_pData;
 }
 
-// return the directory to search for message catalogs under the given prefix
+// return the directories to search for message catalogs under the given
+// prefix, separated by wxPATH_SEP
 static
-wxString GetMsgCatalogSubdir(const wxChar *prefix, const wxChar *lang)
+wxString GetMsgCatalogSubdirs(const wxChar *prefix, const wxChar *lang)
 {
     wxString searchPath;
     searchPath << prefix << wxFILE_SEP_PATH << lang;
 
-    // under Unix, the message catalogs are supposed to go into LC_MESSAGES
-    // subdirectory so look there too
-#ifdef __UNIX__
+    // Under Unix, the message catalogs are supposed to go into LC_MESSAGES
+    // subdirectory so look there too. Note that we do it on all platforms
+    // and not just Unix, because it doesn't cost much to look into one more
+    // directory and doing it this way has two important benefits:
+    // a) we don't break compatibility with wx-2.6 and older by stopping to
+    //    look in a directory where the catalogs used to be and thus silently
+    //    breaking apps after they are recompiled against the latest wx
+    // b) it makes it possible to package app's support files in the same
+    //    way on all target platforms
     const wxString searchPathOrig(searchPath);
     searchPath << wxFILE_SEP_PATH << wxT("LC_MESSAGES")
                << wxPATH_SEP << searchPathOrig;
-#endif // __UNIX__
 
     return searchPath;
 }
@@ -1045,7 +1045,7 @@ static wxString GetFullSearchPath(const wxChar *lang)
            count = gs_searchPrefixes.size();
     for ( n = 0; n < count; n++ )
     {
-        paths.Add(GetMsgCatalogSubdir(gs_searchPrefixes[n], lang));
+        paths.Add(GetMsgCatalogSubdirs(gs_searchPrefixes[n], lang));
     }
 
 
@@ -1065,7 +1065,7 @@ static wxString GetFullSearchPath(const wxChar *lang)
     const wxChar *pszLcPath = wxGetenv(wxT("LC_PATH"));
     if ( pszLcPath )
     {
-        const wxString lcp = GetMsgCatalogSubdir(pszLcPath, lang);
+        const wxString lcp = GetMsgCatalogSubdirs(pszLcPath, lang);
         if ( paths.Index(lcp) == wxNOT_FOUND )
             paths.Add(lcp);
     }
@@ -1074,7 +1074,7 @@ static wxString GetFullSearchPath(const wxChar *lang)
     wxString wxp = wxGetInstallPrefix();
     if ( !wxp.empty() )
     {
-        wxp = GetMsgCatalogSubdir(wxp + _T("/share/locale"), lang);
+        wxp = GetMsgCatalogSubdirs(wxp + _T("/share/locale"), lang);
         if ( paths.Index(wxp) == wxNOT_FOUND )
             paths.Add(wxp);
     }
@@ -1585,7 +1585,7 @@ bool wxLocale::Init(const wxChar *szName,
     // an error if this does not exist
     if ( bOk )
     {
-      wxString port(wxPlatformInfo().GetPortIdName());
+      wxString port(wxPlatformInfo::Get().GetPortIdName());
       if ( !port.empty() )
       {
         AddCatalog(port.BeforeFirst(wxT('/')).MakeLower());
@@ -1713,7 +1713,7 @@ bool wxLocale::Init(int language, int flags)
         {
             retloc = wxSetlocaleTryUTF(LC_ALL, localeAlt);
             if ( !retloc )
-                retloc = wxSetlocaleTryUTF(LC_ALL, locale.Left(2));
+                retloc = wxSetlocaleTryUTF(LC_ALL, localeAlt.Left(2));
         }
     }
 
@@ -1898,14 +1898,14 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
         !wxGetEnv(wxT("LC_MESSAGES"), &langFull) &&
         !wxGetEnv(wxT("LANG"), &langFull))
     {
-        // no language specified, threat it as English
-        return wxLANGUAGE_ENGLISH;
+        // no language specified, treat it as English
+        return wxLANGUAGE_ENGLISH_US;
     }
 
     if ( langFull == _T("C") || langFull == _T("POSIX") )
     {
-        // default C locale
-        return wxLANGUAGE_ENGLISH;
+        // default C locale is English too
+        return wxLANGUAGE_ENGLISH_US;
     }
 
     // the language string has the following form
@@ -2499,7 +2499,9 @@ const wxLanguageInfo *wxLocale::GetLanguageInfo(int lang)
     {
         if ( ms_languagesDB->Item(i).Language == lang )
         {
-            return &ms_languagesDB->Item(i);
+            // We need to create a temporary here in order to make this work with BCC in final build mode
+            wxLanguageInfo *ptr = &ms_languagesDB->Item(i);
+            return ptr;
         }
     }
 
@@ -2711,6 +2713,44 @@ wxMsgCatalog *wxLocale::FindCatalog(const wxChar *szDomain) const
     return NULL;
 }
 
+// check if the given locale is provided by OS and C run time
+/* static */
+bool wxLocale::IsAvailable(int lang)
+{
+    const wxLanguageInfo *info = wxLocale::GetLanguageInfo(lang);
+    wxCHECK_MSG( info, false, _T("invalid language") );
+
+#if defined(__WIN32__)
+    if ( !info->WinLang )
+        return false;
+
+    if ( !::IsValidLocale
+            (
+                MAKELCID(MAKELANGID(info->WinLang, info->WinSublang),
+                         SORT_DEFAULT),
+                LCID_INSTALLED
+            ) )
+        return false;
+
+#elif defined(__UNIX__)
+    
+    // Test if setting the locale works, then set it back. 
+    wxMB2WXbuf oldLocale = wxSetlocale(LC_ALL, wxEmptyString);
+    wxMB2WXbuf tmp = wxSetlocaleTryUTF(LC_ALL, info->CanonicalName);
+    if ( !tmp )
+    {
+        // Some C libraries don't like xx_YY form and require xx only
+        tmp = wxSetlocaleTryUTF(LC_ALL, info->CanonicalName.Left(2));
+        if ( !tmp )
+            return false;
+    }
+    // restore the original locale
+    wxSetlocale(LC_ALL, oldLocale);    
+#endif 
+
+    return true;
+}
+
 // check if the given catalog is loaded
 bool wxLocale::IsLoaded(const wxChar *szDomain) const
 {
@@ -2720,7 +2760,7 @@ bool wxLocale::IsLoaded(const wxChar *szDomain) const
 // add a catalog to our linked list
 bool wxLocale::AddCatalog(const wxChar *szDomain)
 {
-    return AddCatalog(szDomain, wxLANGUAGE_ENGLISH, NULL);
+    return AddCatalog(szDomain, wxLANGUAGE_ENGLISH_US, NULL);
 }
 
 // add a catalog to our linked list