Merge branch 'msw-fix-decimal-point' of https://github.com/vslavik/wxWidgets

Fix decimal point assertions with unknown Win32 locales.

See https://github.com/wxWidgets/wxWidgets/pull/2330

include/wx/intl.h

@@ -363,6 +363,9 @@ private:
 
     const char  *m_pszOldLocale;      // previous locale from setlocale()
     wxLocale      *m_pOldLocale;      // previous wxLocale
+#ifdef __WIN32__
+    wxUint32       m_oldLCID;
+#endif
 
     bool           m_initialized;
 

src/common/intl.cpp

@@ -253,6 +253,9 @@ void wxLocale::DoCommonInit()
     if ( m_pszOldLocale )
         m_pszOldLocale = wxStrdup(m_pszOldLocale);
 
+#ifdef __WIN32__
+    m_oldLCID = ::GetThreadLocale();
+#endif
 
     m_pOldLocale = wxSetLocale(this);
 
@@ -1098,6 +1101,11 @@ wxLocale::~wxLocale()
         wxSetlocale(LC_ALL, m_pszOldLocale);
         free(const_cast<char *>(m_pszOldLocale));
     }
+
+#ifdef __WIN32__
+    ::SetThreadLocale(m_oldLCID);
+    wxMSWSetThreadUILanguage(LANGIDFROMLCID(m_oldLCID));
+#endif
 }
 
 
@@ -1688,10 +1696,7 @@ GetInfoFromLCID(LCID lcid,
 /* static */
 wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory cat)
 {
-    const wxLanguageInfo * const
-        info = wxGetLocale() ? GetLanguageInfo(wxGetLocale()->GetLanguage())
-                             : NULL;
-    if ( !info )
+    if ( !wxGetLocale() )
     {
         // wxSetLocale() hadn't been called yet of failed, hence CRT must be
         // using "C" locale -- but check it to detect bugs that would happen if
@@ -1734,7 +1739,8 @@ wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory cat)
         }
     }
 
-    return GetInfoFromLCID(info->GetLCID(), index, cat);
+    // wxSetLocale() succeeded and so thread locale was set together with CRT one.
+    return GetInfoFromLCID(::GetThreadLocale(), index, cat);
 }
 
 /* static */